diff --git a/Deploy-LoginMonitor.ps1 b/Deploy-LoginMonitor.ps1
index d274c98..1ba3424 100644
--- a/Deploy-LoginMonitor.ps1
+++ b/Deploy-LoginMonitor.ps1
@@ -238,6 +238,15 @@ try {
     Copy-Item -LiteralPath $sourceScript -Destination $LocalScript -Force
     Write-DeployLog "Файл скопирован: $LocalScript"
 
+    $sourceSac = Join-Path $shareRoot 'Sac-Client.ps1'
+    $localSac = Join-Path $InstallRoot 'Sac-Client.ps1'
+    if (Test-Path -LiteralPath $sourceSac) {
+        Copy-Item -LiteralPath $sourceSac -Destination $localSac -Force
+        Write-DeployLog "Файл скопирован: $localSac"
+    } else {
+        Write-DeployLog "Предупреждение: на шаре нет Sac-Client.ps1 — SAC будет недоступен до следующего деплоя."
+    }
+
     $installArgs = @(
         '-NoProfile', '-ExecutionPolicy', 'Bypass', '-File', $LocalScript, '-InstallTasks'
     )
diff --git a/Docs/deploy-netlogon-publish.md b/Docs/deploy-netlogon-publish.md
index 73e386e..e4deba4 100644
--- a/Docs/deploy-netlogon-publish.md
+++ b/Docs/deploy-netlogon-publish.md
@@ -15,6 +15,7 @@
 ## Копируемые файлы
 
 - `Login_Monitor.ps1`
+- `Sac-Client.ps1`
 - `version.txt`
 - `Deploy-LoginMonitor.ps1`
 - `Exchange-MailSecurity.ps1`
diff --git a/Login_Monitor.ps1 b/Login_Monitor.ps1
index 62a4df4..0b83ae2 100644
--- a/Login_Monitor.ps1
+++ b/Login_Monitor.ps1
@@ -35,7 +35,8 @@ param(
     [string]$MailSmtpPasswordProtectedB64 = '',
     [switch]$Watchdog,
     [switch]$InstallTasks,
-    [switch]$SkipScheduledTaskMaintenance
+    [switch]$SkipScheduledTaskMaintenance,
+    [switch]$CheckSac
 )
 
 Set-StrictMode -Version Latest
@@ -74,7 +75,7 @@ $script:MonitorSingletonLockStream = $null
 # строки ниже, если правки «мелкие» и вы не хотите менять отображаемую версию в логах).
 # Рекомендация: при значимых релизах меняйте и $ScriptVersion, и version.txt одинаково; при только
 # исправлениях на шаре — достаточно поднять patch в version.txt (например 1.3.0.1).
-$ScriptVersion = "1.5.11"
+$ScriptVersion = "1.2.0-SAC"
 
 # Логи (все под InstallRoot)
 $LogFile = Join-Path $script:InstallRoot "Logs\login_monitor.log"
@@ -185,6 +186,16 @@ $MailTo = ''
 $MailSmtpStartTls = $true
 $MailSmtpSsl = $false
 
+# Security Alert Center (см. security-alert-center/docs/agent-integration.md)
+$UseSAC = 'off'
+$SacUrl = ''
+$SacApiKey = ''
+$SacSpoolDir = ''
+$SacAgentIdFile = ''
+$SacTimeoutSec = 12
+$SacTlsSkipVerify = $false
+$SacFallbackFailures = 5
+
 $script:LoginMonitorSettingsFile = Join-Path $script:InstallRoot 'login_monitor.settings.ps1'
 $script:LoginMonitorSettingsLoaded = $false
 if (Test-Path -LiteralPath $script:LoginMonitorSettingsFile) {
@@ -764,12 +775,52 @@ function Test-MailSmtpConnection {
     return $true
 }
 
+$script:SacClientLoaded = $false
+foreach ($sacPath in @(
+        (Join-Path $PSScriptRoot 'Sac-Client.ps1'),
+        (Join-Path $script:InstallRoot 'Sac-Client.ps1')
+    )) {
+    if (Test-Path -LiteralPath $sacPath) {
+        . $sacPath
+        $script:SacClientLoaded = $true
+        break
+    }
+}
+
+function Get-PlainSummaryFromTelegramHtml {
+    param([string]$Message)
+    $plain = ($Message -replace '<[^>]+>', ' ' -replace '\s+', ' ').Trim()
+    if ($plain.Length -gt 500) { $plain = $plain.Substring(0, 500) }
+    return $plain
+}
+
 function Send-MonitorNotification {
     param(
         [string]$Message,
-        [string]$EmailSubject = "RDP Login Monitor"
+        [string]$EmailSubject = "RDP Login Monitor",
+        [string]$SacEventType = '',
+        [string]$SacSeverity = 'info',
+        [string]$SacTitle = '',
+        [string]$SacSummary = '',
+        [hashtable]$SacDetails = $null
     )
 
+    $title = if (-not [string]::IsNullOrWhiteSpace($SacTitle)) { $SacTitle } else { $EmailSubject }
+    $summary = if (-not [string]::IsNullOrWhiteSpace($SacSummary)) {
+        $SacSummary
+    } else {
+        Get-PlainSummaryFromTelegramHtml -Message $Message
+    }
+    $etype = if (-not [string]::IsNullOrWhiteSpace($SacEventType)) { $SacEventType } else { 'agent.notification' }
+
+    if ($script:SacClientLoaded -and (Get-Command Send-NotifyOrSac -ErrorAction SilentlyContinue)) {
+        $sacMode = Get-SacNormalizedMode
+        if ($sacMode -ne 'off') {
+            return Send-NotifyOrSac -EventType $etype -Severity $SacSeverity -Title $title -Summary $summary `
+                -TelegramMessage $Message -EmailSubject $EmailSubject -Details $SacDetails
+        }
+    }
+
     $channels = @(Get-NotifyOrderChannels)
     if ($channels.Count -eq 0) {
         Write-Log "Оповещение не отправлено: нет настроенных каналов (Telegram и/или SMTP)"
@@ -805,6 +856,15 @@ if ($script:LoginMonitorSettingsLoaded) {
     Write-Log "Предупреждение: login_monitor.settings.ps1 не найден — Telegram/SMTP/4740 не настроены (скопируйте login_monitor.settings.example.ps1)."
 }
 
+if ($CheckSac) {
+    if (-not $script:SacClientLoaded) {
+        Write-Log "ОШИБКА: Sac-Client.ps1 не найден рядом с Login_Monitor.ps1"
+        exit 1
+    }
+    $code = Test-SacConnection
+    exit $code
+}
+
 Invoke-RdpMonitorProcessMigrationAndRelaunch
 Lock-RdpMonitorSingleInstance
 Ensure-RdpMonitorScheduledTasks
@@ -1219,11 +1279,22 @@ function Send-Heartbeat {
                 $message += " IP из IIS не заданы (<code>ExchangeIisLogPath</code> пуст)."
             }
         }
-        Send-MonitorNotification -Message $message -EmailSubject "RDP Login Monitor: запуск" | Out-Null
+        Send-MonitorNotification -Message $message -EmailSubject "RDP Login Monitor: запуск" `
+            -SacEventType 'agent.lifecycle' -SacSeverity 'info' `
+            -SacTitle 'RDP login monitor started' `
+            -SacSummary "Мониторинг запущен на $env:COMPUTERNAME, версия $ScriptVersion" `
+            -SacDetails @{ lifecycle = 'started' } | Out-Null
         Write-Log "Отправлено уведомление о запуске скрипта (каналы: $notifyChain)"
     } else {
         Write-TextFileUtf8Bom -Path $HeartbeatFile -Text $timestamp
         $script:HeartbeatStaleAlertActive = $false
+        if ($script:SacClientLoaded -and (Get-SacNormalizedMode) -ne 'off') {
+            Send-MonitorNotification -Message '' -EmailSubject 'RDP Login Monitor: heartbeat' `
+                -SacEventType 'agent.heartbeat' -SacSeverity 'info' `
+                -SacTitle 'RDP monitor heartbeat' `
+                -SacSummary "Heartbeat $env:COMPUTERNAME $timestamp" `
+                -SacDetails @{ host = $env:COMPUTERNAME } | Out-Null
+        }
     }
 }
 
@@ -1269,7 +1340,10 @@ function Test-AndSendHeartbeatStaleAlert {
     $msg += "📄 Последний heartbeat: $hLast`r`n"
     $msg += "<i>Проверьте процесс Login_Monitor.ps1 и задачи планировщика RDP-Login-Monitor / Watchdog.</i>"
 
-    if (Send-MonitorNotification -Message $msg -EmailSubject 'RDP Login Monitor: нет heartbeat') {
+    if (Send-MonitorNotification -Message $msg -EmailSubject 'RDP Login Monitor: нет heartbeat' `
+            -SacEventType 'agent.health' -SacSeverity 'warning' `
+            -SacTitle 'RDP monitor heartbeat stale' `
+            -SacSummary "Heartbeat не обновлялся на $env:COMPUTERNAME") {
         $script:HeartbeatStaleAlertActive = $true
         Write-Log "Отправлено оповещение: heartbeat не обновлялся дольше $thresholdSec с"
     }
@@ -1286,7 +1360,11 @@ function Send-StopNotification {
     $message += "🕐 Время остановки: $timestamp`r`n"
     $message += "📋 Причина: $hReason"
 
-    Send-MonitorNotification -Message $message -EmailSubject "RDP Login Monitor: остановка" | Out-Null
+    Send-MonitorNotification -Message $message -EmailSubject "RDP Login Monitor: остановка" `
+        -SacEventType 'agent.lifecycle' -SacSeverity 'info' `
+        -SacTitle 'RDP login monitor stopped' `
+        -SacSummary "Мониторинг остановлен: $Reason" `
+        -SacDetails @{ lifecycle = 'stopped'; reason = $Reason } | Out-Null
     Write-Log "Уведомление об остановке отправлено: $Reason"
 }
 
@@ -2181,7 +2259,20 @@ function Send-DailyReport {
         } else {
             $message += "`r`n<i>Список пользователей недоступен (quser пуст или недостаточно прав).</i>"
         }
-        Send-MonitorNotification -Message $message -EmailSubject "RDP Login Monitor: ежедневный отчёт" | Out-Null
+        $rdpReportDetails = @{
+            stats           = @{
+                active_sessions_rdp = $count
+                unique_users        = @($uniqueUsers)
+            }
+            report_body     = (Get-PlainSummaryFromTelegramHtml -Message $message)
+            report_html     = "<div class=""agent-report"">$message</div>"
+            report_format   = 'telegram_html'
+        }
+        Send-MonitorNotification -Message $message -EmailSubject "RDP Login Monitor: ежедневный отчёт" `
+            -SacEventType 'report.daily.rdp' -SacSeverity 'info' `
+            -SacTitle 'RDP daily report' `
+            -SacSummary "RDP 24ч: сессий $count, логинов $($uniqueUsers.Count)" `
+            -SacDetails $rdpReportDetails | Out-Null
         Write-TextFileUtf8Bom -Path $LastReportFile -Text ((Get-Date).ToString("yyyy-MM-dd HH:mm:ss"))
         Write-Log "Ежедневный отчет отправлен"
         return $true
@@ -2483,7 +2574,17 @@ function Start-LoginMonitor {
 
                                 Write-Log "Notify: ID=4625 User=$($eventInfo.Username) LT=$($eventInfo.LogonType) IP=$($eventInfo.SourceIP) (tier1=$($rl.UserIpCount) tier2=$($rl.IpCount))"
                                 Send-MonitorNotification -Message $formattedMessage `
-                                    -EmailSubject "RDP Login Monitor: неудачный вход (4625)" | Out-Null
+                                    -EmailSubject "RDP Login Monitor: неудачный вход (4625)" `
+                                    -SacEventType 'rdp.login.failed' -SacSeverity 'warning' `
+                                    -SacTitle 'RDP login failed' `
+                                    -SacSummary "4625 $($eventInfo.Username) from $($eventInfo.SourceIP)" `
+                                    -SacDetails @{
+                                        user = $eventInfo.Username
+                                        ip_address = $eventInfo.SourceIP
+                                        logon_type = $eventInfo.LogonType
+                                        event_id_windows = 4625
+                                        workstation_name = $eventInfo.ComputerName
+                                    } | Out-Null
                             } else {
                                 Write-Log "Notify suppressed 4625: User=$($eventInfo.Username) IP=$($eventInfo.SourceIP) tier1=$($rl.UserIpCount)/$FailedLogonRateLimitUserIpThreshold tier2=$($rl.IpCount)/$FailedLogonRateLimitIpThreshold"
                             }
@@ -2492,7 +2593,11 @@ function Start-LoginMonitor {
                                 $tierLabel = if ($burst.Tier -eq 'UserIp') { 'IP+user' } else { 'IP' }
                                 Write-Log "Notify burst 4625 ($tierLabel): count=$($burst.Count) key=$($burst.BucketKey)"
                                 Send-MonitorNotification -Message $burst.Message `
-                                    -EmailSubject "RDP Login Monitor: брутфорс 4625 ($tierLabel)" | Out-Null
+                                    -EmailSubject "RDP Login Monitor: брутфорс 4625 ($tierLabel)" `
+                                    -SacEventType 'rdp.bruteforce.burst' -SacSeverity 'high' `
+                                    -SacTitle "RDP bruteforce burst ($tierLabel)" `
+                                    -SacSummary "4625 burst tier=$tierLabel count=$($burst.Count)" `
+                                    -SacDetails @{ tier = $tierLabel; count = $burst.Count; bucket_key = $burst.BucketKey } | Out-Null
                             }
                         } else {
                             $formattedMessage = Format-LoginEvent -EventID $event.Id `
@@ -2506,8 +2611,19 @@ function Start-LoginMonitor {
                                 -SecurityLogComputerName $event.MachineName
 
                             Write-Log "Notify: ID=$($event.Id) User=$($eventInfo.Username) LT=$($eventInfo.LogonType) IP=$($eventInfo.SourceIP)"
+                            $sacType = if ($event.Id -eq 4624) { 'rdp.login.success' } else { 'agent.notification' }
                             Send-MonitorNotification -Message $formattedMessage `
-                                -EmailSubject "RDP Login Monitor: вход (ID $($event.Id))" | Out-Null
+                                -EmailSubject "RDP Login Monitor: вход (ID $($event.Id))" `
+                                -SacEventType $sacType -SacSeverity 'info' `
+                                -SacTitle "RDP login event $($event.Id)" `
+                                -SacSummary "Event $($event.Id) $($eventInfo.Username) from $($eventInfo.SourceIP)" `
+                                -SacDetails @{
+                                    user = $eventInfo.Username
+                                    ip_address = $eventInfo.SourceIP
+                                    logon_type = $eventInfo.LogonType
+                                    event_id_windows = [int]$event.Id
+                                    workstation_name = $eventInfo.ComputerName
+                                } | Out-Null
                         }
                     }
                 }
@@ -2534,8 +2650,19 @@ function Start-LoginMonitor {
                             -ErrorCode $ei.ErrorCode `
                             -TimeCreated $ei.TimeCreated
                         Write-Log "Notify RDG: ID=$($event.Id) User=$($ei.Username)"
+                        $rdgType = if ($event.Id -eq 302) { 'rdg.connection.success' } else { 'rdg.connection.failed' }
+                        $rdgSev = if ($event.Id -eq 302) { 'info' } else { 'warning' }
                         Send-MonitorNotification -Message $msg `
-                            -EmailSubject "RDP Login Monitor: RD Gateway ($($event.Id))" | Out-Null
+                            -EmailSubject "RDP Login Monitor: RD Gateway ($($event.Id))" `
+                            -SacEventType $rdgType -SacSeverity $rdgSev `
+                            -SacTitle "RD Gateway event $($event.Id)" `
+                            -SacSummary "RDG $($event.Id) $($ei.Username)" `
+                            -SacDetails @{
+                                user = $ei.Username
+                                external_ip = $ei.ExternalIP
+                                internal_ip = $ei.InternalIP
+                                event_id_windows = [int]$event.Id
+                            } | Out-Null
                     }
                     $lastGatewayCheckTime = ($gatewayEvents | Measure-Object -Property TimeCreated -Maximum | Select-Object -ExpandProperty Maximum).AddSeconds(1)
                 }
@@ -2560,7 +2687,15 @@ function Start-LoginMonitor {
                             -TimeCreated $rcmInfo.TimeCreated -SecurityLogComputerName $event.MachineName
                         Write-Log "Notify RCM 1149: User=$($rcmInfo.Username) IP=$($rcmInfo.ClientIP)"
                         Send-MonitorNotification -Message $msg `
-                            -EmailSubject "RDP Login Monitor: RDP 1149" | Out-Null
+                            -EmailSubject "RDP Login Monitor: RDP 1149" `
+                            -SacEventType 'rdp.login.success' -SacSeverity 'info' `
+                            -SacTitle 'RDP connection (RCM 1149)' `
+                            -SacSummary "RCM 1149 $($rcmInfo.Username) $($rcmInfo.ClientIP)" `
+                            -SacDetails @{
+                                user = $rcmInfo.Username
+                                ip_address = $rcmInfo.ClientIP
+                                event_id_windows = 1149
+                            } | Out-Null
                     }
                     $lastRcmCheckTime = ($rcmEvents | Measure-Object -Property TimeCreated -Maximum | Select-Object -ExpandProperty Maximum).AddSeconds(1)
                 }
@@ -2592,7 +2727,16 @@ function Start-LoginMonitor {
                             -TimeCreated $lo.TimeCreated -IisClientIps $iisIps
                         Write-Log "Notify 4740: User=$($lo.Username) IIS_IPs=$($iisIps -join ', ')"
                         Send-MonitorNotification -Message $msg `
-                            -EmailSubject "RDP Login Monitor: блокировка УЗ $($lo.Username)" | Out-Null
+                            -EmailSubject "RDP Login Monitor: блокировка УЗ $($lo.Username)" `
+                            -SacEventType 'auth.account.locked' -SacSeverity 'high' `
+                            -SacTitle "Account locked $($lo.Username)" `
+                            -SacSummary "4740 $($lo.Username)" `
+                            -SacDetails @{
+                                user = $lo.Username
+                                domain = $lo.Domain
+                                event_id_windows = 4740
+                                iis_client_ips = @($iisIps)
+                            } | Out-Null
                     }
                     $lastLockout4740CheckTime = ($lockoutEvents | Measure-Object -Property TimeCreated -Maximum | Select-Object -ExpandProperty Maximum).AddSeconds(1)
                 }
@@ -2609,6 +2753,9 @@ function Start-LoginMonitor {
             if ($now -ge $nextReportCheck) {
                 $nextReportCheck = Check-AndSendDailyReport
             }
+            if ($script:SacClientLoaded) {
+                Invoke-SacFlushSpool -MaxFiles 5 | Out-Null
+            }
         } catch {
             if ($_.Exception -is [System.Management.Automation.PipelineStoppedException]) { throw }
             Write-Log "Ошибка цикла мониторинга: $($_.Exception.Message)"
@@ -2619,10 +2766,24 @@ function Start-LoginMonitor {
 
 $script:StopNotificationSent = $false
 try {
+    $sacMode = 'off'
+    if ($script:SacClientLoaded) { $sacMode = Get-SacNormalizedMode }
+    if ($sacMode -ne 'off') {
+        if (-not (Test-SacConfigured)) {
+            Write-Log "ОШИБКА: UseSAC=$sacMode, но SacUrl/SacApiKey не заданы в login_monitor.settings.ps1"
+            exit 1
+        }
+        if (-not (Test-SacHealth)) {
+            Write-Log "ОШИБКА: SAC /health недоступен (SacUrl=$SacUrl)"
+            exit 1
+        }
+        Write-Log "SAC: режим $sacMode, health OK, ingest=$(Get-SacIngestUrl)"
+    }
+
     $notifyChannels = @(Get-NotifyOrderChannels)
-    if ($notifyChannels.Count -eq 0) {
+    if ($notifyChannels.Count -eq 0 -and $sacMode -eq 'off') {
         Write-Log "ВНИМАНИЕ: не настроен ни один канал оповещений (Telegram и/или SMTP в конфигурации скрипта)."
-    } else {
+    } elseif ($notifyChannels.Count -gt 0) {
         foreach ($notifyCh in $notifyChannels) {
             switch ($notifyCh) {
                 'telegram' { Test-TelegramConnection | Out-Null }
diff --git a/README.md b/README.md
index 6339484..12b92a6 100644
--- a/README.md
+++ b/README.md
@@ -13,6 +13,7 @@ PowerShell-набор для мониторинга входов в Windows с 
 - Документация по развёртыванию: **[Docs/README.md](Docs/README.md)** (RDP-монитор, Exchange, NETLOGON).
 - **`Encrypt-DpapiForRdpMonitor.ps1`** — опционально для подготовки DPAPI-строк токена/chat id и пароля SMTP (`$MailSmtpPasswordProtectedB64` в файле настроек).
 - **Локальные настройки RDP-монитора:** **`login_monitor.settings.ps1`** в каталоге установки (образец **`login_monitor.settings.example.ps1`**). При автообновлении **`Login_Monitor.ps1`** с шары файл настроек **не перезаписывается** (как **`exchange_monitor.settings.ps1`** для Exchange).
+- **Security Alert Center (SAC):** модуль **`Sac-Client.ps1`** (копируется вместе с `Login_Monitor.ps1`). Режимы **`$UseSAC`**: `off` | `exclusive` | `dual` | `fallback` — контракт в репозитории **security-alert-center** (`docs/agent-integration.md`). Версия релиза агента: **`1.2.0-SAC`** (`$ScriptVersion` и `version.txt`).
 
 ## Что изменилось (важное)
 
@@ -30,12 +31,14 @@ PowerShell-набор для мониторинга входов в Windows с 
    - `C:\ProgramData\RDP-login-monitor\`
 2. Скопируйте в неё как минимум:
    - `Login_Monitor.ps1`
+   - `Sac-Client.ps1`
    - `login_monitor.settings.example.ps1` → переименуйте в **`login_monitor.settings.ps1`** и задайте параметры (см. п. 3)
    - (для доменного развёртывания отдельно на шаре) `Deploy-LoginMonitor.ps1`, `version.txt` и `login_monitor.settings.example.ps1`
 3. Настройте **`C:\ProgramData\RDP-login-monitor\login_monitor.settings.ps1`** (не редактируйте секреты в `Login_Monitor.ps1` — они перезапишутся при деплое):
    - **Telegram:** `$TelegramBotToken` / `$TelegramChatID` или `...ProtectedB64`
    - **Email (SMTP):** `$MailSmtpHost`, `$MailFrom`, `$MailTo`, `$MailSmtpPort` (по умолчанию 587), при необходимости `$MailSmtpUser` / `$MailSmtpPassword` (или `$MailSmtpPasswordProtectedB64` через DPAPI), `$MailSmtpStartTls` / `$MailSmtpSsl`
    - **Порядок:** `$NotifyOrder` — пусто = авто (Telegram → Email, только настроенные); иначе `telegram,email` или `email` и т.п. (допускаются `tg`, `mail`)
+   - **SAC (опционально):** `$UseSAC`, `$SacUrl`, `$SacApiKey` — см. блок в **`login_monitor.settings.example.ps1`**. Проверка: `Login_Monitor.ps1 -CheckSac`
 4. Запускайте с правами администратора (чтение `Security` журнала и регистрация задач).
 5. Логи и служебные файлы будут в:
    - `C:\ProgramData\RDP-login-monitor\Logs\`
diff --git a/Sac-Client.ps1 b/Sac-Client.ps1
new file mode 100644
index 0000000..5ad26d0
--- /dev/null
+++ b/Sac-Client.ps1
@@ -0,0 +1,387 @@
+<#
+.SYNOPSIS
+    Клиент Security Alert Center для RDP-login-monitor.
+.DESCRIPTION
+    Dot-source после login_monitor.settings.ps1 и функции Write-Log.
+    Ожидает: $UseSAC, $SacUrl, $SacApiKey, $ScriptVersion, $script:InstallRoot.
+#>
+
+function Write-SacLog {
+    param([string]$Message)
+    if (Get-Command Write-Log -ErrorAction SilentlyContinue) {
+        Write-Log $Message
+    } else {
+        Write-Host $Message
+    }
+}
+
+function Get-SacNormalizedMode {
+    $m = if ($null -ne $UseSAC) { [string]$UseSAC } else { 'off' }
+    return $m.Trim().ToLowerInvariant()
+}
+
+function Test-SacConfigured {
+    return (-not [string]::IsNullOrWhiteSpace($SacUrl)) -and (-not [string]::IsNullOrWhiteSpace($SacApiKey))
+}
+
+function Get-SacBaseUrl {
+    if ([string]::IsNullOrWhiteSpace($SacUrl)) { return $null }
+    $url = $SacUrl.Trim().TrimEnd('/')
+    if ($url -match '/api/v1/events$') {
+        $url = $url -replace '/api/v1/events$', ''
+    }
+    return $url.TrimEnd('/')
+}
+
+function Get-SacIngestUrl {
+    $base = Get-SacBaseUrl
+    if ([string]::IsNullOrWhiteSpace($base)) { return $null }
+    return "$base/api/v1/events"
+}
+
+function Get-SacSpoolDirResolved {
+    if (-not [string]::IsNullOrWhiteSpace($SacSpoolDir)) {
+        return $SacSpoolDir.Trim()
+    }
+    return (Join-Path $script:InstallRoot 'sac-spool')
+}
+
+function Get-SacAgentIdFileResolved {
+    if (-not [string]::IsNullOrWhiteSpace($SacAgentIdFile)) {
+        return $SacAgentIdFile.Trim()
+    }
+    return (Join-Path $script:InstallRoot 'agent_instance_id')
+}
+
+function Get-SacFailCountFileResolved {
+    return (Join-Path $script:InstallRoot 'sac-fail.count')
+}
+
+function Get-SacAgentInstanceId {
+    $idFile = Get-SacAgentIdFileResolved
+    $dir = Split-Path -Parent $idFile
+    if (-not (Test-Path -LiteralPath $dir)) {
+        New-Item -ItemType Directory -Path $dir -Force | Out-Null
+    }
+    if (Test-Path -LiteralPath $idFile) {
+        $existing = (Get-Content -LiteralPath $idFile -TotalCount 1 -ErrorAction SilentlyContinue)
+        if (-not [string]::IsNullOrWhiteSpace($existing)) {
+            return $existing.Trim()
+        }
+    }
+    $newId = [guid]::NewGuid().ToString()
+    try {
+        Set-Content -LiteralPath $idFile -Value $newId -Encoding UTF8 -NoNewline
+    } catch { }
+    return $newId
+}
+
+function Get-SacCategoryForType {
+    param([string]$EventType)
+    if ($EventType -match '^(ssh\.|auth\.|rdp\.)') { return 'auth' }
+    if ($EventType -match '^privilege\.') { return 'privilege' }
+    if ($EventType -match '^session\.') { return 'session' }
+    if ($EventType -match '^report\.') { return 'report' }
+    if ($EventType -match '^rdg\.') { return 'network' }
+    return 'agent'
+}
+
+function New-SacEventPayload {
+    param(
+        [Parameter(Mandatory = $true)][string]$EventType,
+        [Parameter(Mandatory = $true)][string]$Severity,
+        [Parameter(Mandatory = $true)][string]$Title,
+        [Parameter(Mandatory = $true)][string]$Summary,
+        [hashtable]$Details = $null
+    )
+
+    $payload = [ordered]@{
+        schema_version = '1.0'
+        event_id       = [guid]::NewGuid().ToString()
+        occurred_at    = (Get-Date).ToString('o')
+        source         = [ordered]@{
+            product            = 'rdp-login-monitor'
+            product_version    = if ($ScriptVersion) { [string]$ScriptVersion } else { 'unknown' }
+            agent_instance_id  = Get-SacAgentInstanceId
+        }
+        host           = [ordered]@{
+            hostname  = $env:COMPUTERNAME
+            os_family = 'windows'
+        }
+        category       = (Get-SacCategoryForType -EventType $EventType)
+        type           = $EventType
+        severity       = $Severity
+        title          = $Title
+        summary        = $Summary
+    }
+    if ($null -ne $Details -and $Details.Count -gt 0) {
+        $payload.details = $Details
+    }
+    return $payload
+}
+
+function Get-SacFailCount {
+    $f = Get-SacFailCountFileResolved
+    if (-not (Test-Path -LiteralPath $f)) { return 0 }
+    $raw = (Get-Content -LiteralPath $f -TotalCount 1 -ErrorAction SilentlyContinue) -replace '\D', ''
+    if ([string]::IsNullOrWhiteSpace($raw)) { return 0 }
+    return [int]$raw
+}
+
+function Set-SacFailCount {
+    param([int]$Count)
+    $f = Get-SacFailCountFileResolved
+    $dir = Split-Path -Parent $f
+    if (-not (Test-Path -LiteralPath $dir)) {
+        New-Item -ItemType Directory -Path $dir -Force | Out-Null
+    }
+    Set-Content -LiteralPath $f -Value ([string]$Count) -Encoding UTF8 -NoNewline
+}
+
+function Reset-SacFailCount {
+    Set-SacFailCount -Count 0
+}
+
+function Test-SacShouldAttemptSend {
+    $mode = Get-SacNormalizedMode
+    if ($mode -ne 'fallback') { return $true }
+
+    $max = if ($SacFallbackFailures) { [int]$SacFallbackFailures } else { 5 }
+    $n = Get-SacFailCount
+    if ($n -lt $max) { return $true }
+
+    if (Test-SacHealth) {
+        Reset-SacFailCount
+        Write-SacLog 'SAC: /health OK, resuming POST (fallback)'
+        return $true
+    }
+    Write-SacLog "WARN: SAC fallback: skip POST ($n>=$max failures), local channels only"
+    return $false
+}
+
+function Invoke-SacTlsPrep {
+    if (-not $SacTlsSkipVerify) { return }
+    if (-not $script:SacTlsCallbackRegistered) {
+        [System.Net.ServicePointManager]::ServerCertificateValidationCallback = { $true }
+        $script:SacTlsCallbackRegistered = $true
+    }
+}
+
+function Test-SacHealth {
+    if (-not (Test-SacConfigured)) { return $false }
+    $base = Get-SacBaseUrl
+    if ([string]::IsNullOrWhiteSpace($base)) { return $false }
+
+    $timeout = if ($SacTimeoutSec) { [int]$SacTimeoutSec } else { 12 }
+    try {
+        Invoke-SacTlsPrep
+        $resp = Invoke-WebRequest -Uri "$base/health" -Method Get -UseBasicParsing -TimeoutSec $timeout
+        return ($resp.StatusCode -eq 200)
+    } catch {
+        return $false
+    }
+}
+
+function Write-SacSpoolFile {
+    param(
+        [string]$EventId,
+        [string]$JsonBody
+    )
+    $dir = Get-SacSpoolDirResolved
+    if (-not (Test-Path -LiteralPath $dir)) {
+        New-Item -ItemType Directory -Path $dir -Force | Out-Null
+    }
+    $path = Join-Path $dir "$EventId.json"
+    [System.IO.File]::WriteAllText($path, $JsonBody, (New-Object System.Text.UTF8Encoding $false))
+}
+
+function Remove-SacSpoolFile {
+    param([string]$EventId)
+    $path = Join-Path (Get-SacSpoolDirResolved) "$EventId.json"
+    if (Test-Path -LiteralPath $path) {
+        Remove-Item -LiteralPath $path -Force -ErrorAction SilentlyContinue
+    }
+}
+
+function Invoke-SacPostPayload {
+    param([string]$JsonBody)
+
+    if (-not (Test-SacConfigured)) { return $false }
+    if (-not (Test-SacShouldAttemptSend)) { return $false }
+
+    $ingest = Get-SacIngestUrl
+    if ([string]::IsNullOrWhiteSpace($ingest)) { return $false }
+
+    $obj = $JsonBody | ConvertFrom-Json
+    $eventId = [string]$obj.event_id
+    $eventType = [string]$obj.type
+    $timeout = if ($SacTimeoutSec) { [int]$SacTimeoutSec } else { 12 }
+
+    try {
+        Invoke-SacTlsPrep
+        $headers = @{
+            Authorization   = "Bearer $SacApiKey"
+            'Content-Type'  = 'application/json'
+            'Idempotency-Key' = $eventId
+        }
+        $resp = Invoke-WebRequest -Uri $ingest -Method Post -Headers $headers -Body $JsonBody -UseBasicParsing -TimeoutSec $timeout
+        if ($resp.StatusCode -eq 202) {
+            Remove-SacSpoolFile -EventId $eventId
+            Reset-SacFailCount
+            Write-SacLog "SAC: accepted event_id=$eventId type=$eventType"
+            return $true
+        }
+        $body = if ($resp.Content) { $resp.Content } else { '' }
+        Write-SacLog "WARN: SAC POST HTTP $($resp.StatusCode): $($body.Substring(0, [Math]::Min(200, $body.Length)))"
+    } catch {
+        $code = 0
+        if ($_.Exception.Response) {
+            $code = [int]$_.Exception.Response.StatusCode
+        }
+        $err = $_.Exception.Message
+        Write-SacLog "WARN: SAC POST HTTP ${code}: $err"
+    }
+
+    Write-SacSpoolFile -EventId $eventId -JsonBody $JsonBody
+    $max = if ($SacFallbackFailures) { [int]$SacFallbackFailures } else { 5 }
+    $n = Get-SacFailCount + 1
+    Set-SacFailCount -Count $n
+    if ($n -ge $max) {
+        Write-SacLog "WARN: SAC fallback: SAC_FALLBACK_FAILURES threshold ($max)"
+    }
+    return $false
+}
+
+function Send-SacEvent {
+    param(
+        [Parameter(Mandatory = $true)][string]$EventType,
+        [Parameter(Mandatory = $true)][string]$Severity,
+        [Parameter(Mandatory = $true)][string]$Title,
+        [Parameter(Mandatory = $true)][string]$Summary,
+        [hashtable]$Details = $null
+    )
+
+    if (-not (Test-SacConfigured)) {
+        Write-SacLog 'WARN: SAC not configured (SacUrl / SacApiKey)'
+        return $false
+    }
+
+    $payload = New-SacEventPayload -EventType $EventType -Severity $Severity -Title $Title -Summary $Summary -Details $Details
+    $json = $payload | ConvertTo-Json -Depth 8 -Compress
+    return (Invoke-SacPostPayload -JsonBody $json)
+}
+
+function Send-SacLocalChannels {
+    param(
+        [string]$TelegramMessage,
+        [string]$EmailSubject
+    )
+
+    if ([string]::IsNullOrWhiteSpace($TelegramMessage)) { return $false }
+
+    $channels = @(Get-NotifyOrderChannels)
+    if ($channels.Count -eq 0) { return $false }
+
+    $anyOk = $false
+    foreach ($ch in $channels) {
+        $ok = switch ($ch) {
+            'telegram' { Send-TelegramMessage -Message $TelegramMessage }
+            'email'    { Send-EmailNotification -Message $TelegramMessage -Subject $EmailSubject }
+            default    { $false }
+        }
+        if ($ok) { $anyOk = $true }
+    }
+    return $anyOk
+}
+
+function Send-NotifyOrSac {
+    param(
+        [Parameter(Mandatory = $true)][string]$EventType,
+        [Parameter(Mandatory = $true)][string]$Severity,
+        [Parameter(Mandatory = $true)][string]$Title,
+        [Parameter(Mandatory = $true)][string]$Summary,
+        [string]$TelegramMessage = '',
+        [string]$EmailSubject = 'RDP Login Monitor',
+        [hashtable]$Details = $null
+    )
+
+    if ([string]::IsNullOrWhiteSpace($TelegramMessage)) {
+        $TelegramMessage = $Summary
+    }
+
+    $mode = Get-SacNormalizedMode
+    switch ($mode) {
+        'off' {
+            return (Send-SacLocalChannels -TelegramMessage $TelegramMessage -EmailSubject $EmailSubject)
+        }
+        'exclusive' {
+            return (Send-SacEvent -EventType $EventType -Severity $Severity -Title $Title -Summary $Summary -Details $Details)
+        }
+        'dual' {
+            Send-SacEvent -EventType $EventType -Severity $Severity -Title $Title -Summary $Summary -Details $Details | Out-Null
+            return (Send-SacLocalChannels -TelegramMessage $TelegramMessage -EmailSubject $EmailSubject)
+        }
+        'fallback' {
+            if (Send-SacEvent -EventType $EventType -Severity $Severity -Title $Title -Summary $Summary -Details $Details) {
+                return $true
+            }
+            return (Send-SacLocalChannels -TelegramMessage $TelegramMessage -EmailSubject $EmailSubject)
+        }
+        default {
+            Write-SacLog "WARN: unknown UseSAC=$mode, local channels only"
+            return (Send-SacLocalChannels -TelegramMessage $TelegramMessage -EmailSubject $EmailSubject)
+        }
+    }
+}
+
+function Invoke-SacFlushSpool {
+    param([int]$MaxFiles = 20)
+
+    $mode = Get-SacNormalizedMode
+    if ($mode -eq 'off') { return }
+    if (-not (Test-SacConfigured)) { return }
+
+    $dir = Get-SacSpoolDirResolved
+    if (-not (Test-Path -LiteralPath $dir)) { return }
+
+    $files = @(Get-ChildItem -LiteralPath $dir -Filter '*.json' -File -ErrorAction SilentlyContinue | Sort-Object LastWriteTime)
+    $count = 0
+    foreach ($f in $files) {
+        $count++
+        if ($count -gt $MaxFiles) { break }
+        try {
+            $json = [System.IO.File]::ReadAllText($f.FullName)
+            Invoke-SacPostPayload -JsonBody $json | Out-Null
+        } catch { }
+    }
+}
+
+function Test-SacConnection {
+    Write-Host 'SAC check (rdp-login-monitor)'
+    Write-Host "UseSAC=$(Get-SacNormalizedMode)"
+    switch (Get-SacNormalizedMode) {
+        'exclusive' { Write-Host 'Mode exclusive: SAC only' }
+        'dual'      { Write-Host 'Mode dual: SAC + local channels' }
+        'fallback'  { Write-Host 'Mode fallback: SAC, then local on failure' }
+    }
+    Write-Host "SacUrl=$SacUrl"
+    if (Test-SacConfigured) {
+        Write-Host "SAC ingest URL=$(Get-SacIngestUrl)"
+    }
+    if (-not (Test-SacConfigured)) {
+        Write-Error 'SAC: SacUrl or SacApiKey missing'
+        return 1
+    }
+    if (Test-SacHealth) {
+        Write-Host 'SAC health: OK'
+    } else {
+        Write-Error 'SAC health: FAIL'
+        return 1
+    }
+    if (Send-SacEvent -EventType 'agent.test' -Severity 'info' -Title 'SAC test' -Summary 'rdp-login-monitor CheckSac') {
+        Write-Host 'SAC ingest agent.test: OK (expected HTTP 202)'
+        return 0
+    }
+    Write-Error 'SAC ingest agent.test: FAIL'
+    return 1
+}
diff --git a/login_monitor.settings.example.ps1 b/login_monitor.settings.example.ps1
index c21384e..ad26713 100644
--- a/login_monitor.settings.example.ps1
+++ b/login_monitor.settings.example.ps1
@@ -9,8 +9,8 @@
 #>
 
 # --- Telegram (или DPAPI Base64 через Encrypt-DpapiForRdpMonitor.ps1) ---
-$TelegramBotToken = '8239219522:AAEyOZX3cwNfgGOMDkf-mgjTIuoaOh5gF7I'
-$TelegramChatID = '2843230'
+$TelegramBotToken = ''
+$TelegramChatID = ''
 # $TelegramBotTokenProtectedB64 = ''
 # $TelegramChatIDProtectedB64 = ''
 
@@ -26,6 +26,17 @@ $NotifyOrder = 'tg'
 # $MailSmtpSsl = $false
 # $MailSmtpPasswordProtectedB64 = ''
 
+# --- Security Alert Center (SAC) ---
+# off | exclusive | dual | fallback — см. security-alert-center/docs/agent-integration.md
+# $UseSAC = 'exclusive'
+# $SacUrl = 'https://sac.kalinamall.ru'
+# $SacApiKey = 'sac_xxxxxxxx'
+# $SacSpoolDir = 'C:\ProgramData\RDP-login-monitor\sac-spool'
+# $SacTimeoutSec = 12
+# $SacTlsSkipVerify = $false
+# $SacFallbackFailures = 5
+# Проверка: powershell -File Login_Monitor.ps1 -CheckSac
+
 # --- Узкое исключение шумовых сетевых логонов (LogonType=3, Advapi) ---
 $IgnoreAdvapiNetworkLogonSourceIps = @(
     '192.168.160.57'
diff --git a/update-rdp-monitor.ps1 b/update-rdp-monitor.ps1
index 23c9afe..9b9f5e5 100644
--- a/update-rdp-monitor.ps1
+++ b/update-rdp-monitor.ps1
@@ -22,6 +22,7 @@ param(
 $ErrorActionPreference = 'Stop'
 $DistFiles = @(
     'Login_Monitor.ps1',
+    'Sac-Client.ps1',
     'version.txt',
     'Deploy-LoginMonitor.ps1',
     'Exchange-MailSecurity.ps1',
diff --git a/version.txt b/version.txt
index d8c5e72..682dea4 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-1.6.8
+1.2.0-SAC