diff --git a/atomics/Indexes/Attack-Navigator-Layers/art-navigator-layer-office-365.json b/atomics/Indexes/Attack-Navigator-Layers/art-navigator-layer-office-365.json
index 4fe1a7d0..cf1385b7 100644
--- a/atomics/Indexes/Attack-Navigator-Layers/art-navigator-layer-office-365.json
+++ b/atomics/Indexes/Attack-Navigator-Layers/art-navigator-layer-office-365.json
@@ -1 +1 @@
-{"version":"4.3","name":"Atomic Red Team (Office-365)","description":"Atomic Red Team (Office-365) MITRE ATT&CK Navigator Layer","domain":"mitre-enterprise","gradient":{"colors":["#ce232e","#ce232e"],"minValue":0,"maxValue":100},"legendItems":[{"label":"Has at least one test","color":"#ce232e"}],"techniques":[{"techniqueID":"T1562.001","score":100,"enabled":true,"links":[{"label":"View Atomic","url":"https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1562.001/T1562.001.md"}]},{"techniqueID":"T1562","score":100,"enabled":true}]}
\ No newline at end of file
+{"version":"4.3","name":"Atomic Red Team (Office-365)","description":"Atomic Red Team (Office-365) MITRE ATT&CK Navigator Layer","domain":"mitre-enterprise","gradient":{"colors":["#ce232e","#ce232e"],"minValue":0,"maxValue":100},"legendItems":[{"label":"Has at least one test","color":"#ce232e"}],"techniques":[{"techniqueID":"T1562.001","score":100,"enabled":true,"links":[{"label":"View Atomic","url":"https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1562.001/T1562.001.md"}]},{"techniqueID":"T1562","score":100,"enabled":true},{"techniqueID":"T1562.008","score":100,"enabled":true,"links":[{"label":"View Atomic","url":"https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1562.008/T1562.008.md"}]}]}
\ No newline at end of file
diff --git a/atomics/Indexes/Indexes-CSV/index.csv b/atomics/Indexes/Indexes-CSV/index.csv
index f763fb6f..c886cd68 100644
--- a/atomics/Indexes/Indexes-CSV/index.csv
+++ b/atomics/Indexes/Indexes-CSV/index.csv
@@ -355,6 +355,7 @@ defense-evasion,T1140,Deobfuscate/Decode Files or Information,6,Hex decoding wit
 defense-evasion,T1006,Direct Volume Access,1,Read volume boot sector via DOS device path (PowerShell),88f6327e-51ec-4bbf-b2e8-3fea534eab8b,powershell
 defense-evasion,T1562.008,Disable Cloud Logs,1,AWS CloudTrail Changes,9c10dc6b-20bd-403a-8e67-50ef7d07ed4e,sh
 defense-evasion,T1562.008,Disable Cloud Logs,2,Azure - Eventhub Deletion,5e09bed0-7d33-453b-9bf3-caea32bff719,powershell
+defense-evasion,T1562.008,Disable Cloud Logs,3,Office 365 - Exchange Audit Log Disabled,1ee572f3-056c-4632-a7fc-7e7c42b1543c,powershell
 defense-evasion,T1562.002,Disable Windows Event Logging,1,Disable Windows IIS HTTP Logging,69435dcf-c66f-4ec0-a8b1-82beb76b34db,powershell
 defense-evasion,T1562.002,Disable Windows Event Logging,2,Kill Event Log Service Threads,41ac52ba-5d5e-40c0-b267-573ed90489bd,powershell
 defense-evasion,T1562.002,Disable Windows Event Logging,3,Impair Windows Audit Log Policy,5102a3a7-e2d7-4129-9e45-f483f2e0eea8,command_prompt
diff --git a/atomics/Indexes/Indexes-CSV/linux-index.csv b/atomics/Indexes/Indexes-CSV/linux-index.csv
index 307e5c73..0ce693eb 100644
--- a/atomics/Indexes/Indexes-CSV/linux-index.csv
+++ b/atomics/Indexes/Indexes-CSV/linux-index.csv
@@ -98,6 +98,7 @@ defense-evasion,T1140,Deobfuscate/Decode Files or Information,5,Base64 decoding
 defense-evasion,T1140,Deobfuscate/Decode Files or Information,6,Hex decoding with shell utilities,005943f9-8dd5-4349-8b46-0313c0a9f973,sh
 defense-evasion,T1562.008,Disable Cloud Logs,1,AWS CloudTrail Changes,9c10dc6b-20bd-403a-8e67-50ef7d07ed4e,sh
 defense-evasion,T1562.008,Disable Cloud Logs,2,Azure - Eventhub Deletion,5e09bed0-7d33-453b-9bf3-caea32bff719,powershell
+defense-evasion,T1562.008,Disable Cloud Logs,3,Office 365 - Exchange Audit Log Disabled,1ee572f3-056c-4632-a7fc-7e7c42b1543c,powershell
 defense-evasion,T1562.004,Disable or Modify System Firewall,7,Stop/Start UFW firewall,fe135572-edcd-49a2-afe6-1d39521c5a9a,sh
 defense-evasion,T1562.004,Disable or Modify System Firewall,8,Stop/Start UFW firewall systemctl,9fd99609-1854-4f3c-b47b-97d9a5972bd1,sh
 defense-evasion,T1562.004,Disable or Modify System Firewall,9,Turn off UFW logging,8a95b832-2c2a-494d-9cb0-dc9dd97c8bad,sh
diff --git a/atomics/Indexes/Indexes-Markdown/index.md b/atomics/Indexes/Indexes-Markdown/index.md
index 11060e2d..110093bf 100644
--- a/atomics/Indexes/Indexes-Markdown/index.md
+++ b/atomics/Indexes/Indexes-Markdown/index.md
@@ -580,6 +580,7 @@
 - [T1562.008 Disable Cloud Logs](../../T1562.008/T1562.008.md)
   - Atomic Test #1: AWS CloudTrail Changes [iaas:aws]
   - Atomic Test #2: Azure - Eventhub Deletion [iaas:azure]
+  - Atomic Test #3: Office 365 - Exchange Audit Log Disabled [office-365]
 - T1600.002 Disable Crypto Hardware [CONTRIBUTE A TEST](https://github.com/redcanaryco/atomic-red-team/wiki/Contributing)
 - [T1562.002 Disable Windows Event Logging](../../T1562.002/T1562.002.md)
   - Atomic Test #1: Disable Windows IIS HTTP Logging [windows]
diff --git a/atomics/Indexes/Indexes-Markdown/linux-index.md b/atomics/Indexes/Indexes-Markdown/linux-index.md
index 458794af..f944eb97 100644
--- a/atomics/Indexes/Indexes-Markdown/linux-index.md
+++ b/atomics/Indexes/Indexes-Markdown/linux-index.md
@@ -217,6 +217,7 @@
 - [T1562.008 Disable Cloud Logs](../../T1562.008/T1562.008.md)
   - Atomic Test #1: AWS CloudTrail Changes [iaas:aws]
   - Atomic Test #2: Azure - Eventhub Deletion [iaas:azure]
+  - Atomic Test #3: Office 365 - Exchange Audit Log Disabled [office-365]
 - T1600.002 Disable Crypto Hardware [CONTRIBUTE A TEST](https://github.com/redcanaryco/atomic-red-team/wiki/Contributing)
 - T1562.007 Disable or Modify Cloud Firewall [CONTRIBUTE A TEST](https://github.com/redcanaryco/atomic-red-team/wiki/Contributing)
 - [T1562.004 Disable or Modify System Firewall](../../T1562.004/T1562.004.md)
diff --git a/atomics/Indexes/index.yaml b/atomics/Indexes/index.yaml
index 07e3fc05..b93f6527 100644
--- a/atomics/Indexes/index.yaml
+++ b/atomics/Indexes/index.yaml
@@ -25171,6 +25171,47 @@ defense-evasion:
           Remove-AzEventHub -ResourceGroupName #{resource_group} -Namespace #{name_space_name} -Name #{event_hub_name}
         name: powershell
         elevation_required: false
+    - name: Office 365 - Exchange Audit Log Disabled
+      auto_generated_guid: 1ee572f3-056c-4632-a7fc-7e7c42b1543c
+      description: |
+        You can use the Exchange Management Shell to enable or disable mailbox audit logging for a mailbox.
+        Unified or Admin Audit logs are disabled via the Exchange Powershell cmdline.
+        https://github.com/Azure/Azure-Sentinel/blob/master/Detections/OfficeActivity/exchange_auditlogdisabled.yaml
+      supported_platforms:
+      - office-365
+      input_arguments:
+        username:
+          description: office-365 username
+          type: String
+          default: 
+        password:
+          description: office-365 password
+          type: String
+          default: 
+      dependency_executor_name: powershell
+      dependencies:
+      - description: 'ExchangeOnlineManagement PowerShell module must be installed
+
+'
+        prereq_command: |
+          $RequiredModule = Get-Module -Name ExchangeOnlineManagement -ListAvailable
+          if (-not $RequiredModule) {exit 1}
+          if (-not $RequiredModule.ExportedCommands['Connect-ExchangeOnline']) {exit 1} else {exit 0}
+        get_prereq_command: "Install-Module -Name ExchangeOnlineManagement         \nImport-Module
+          ExchangeOnlineManagement\n"
+      executor:
+        command: |
+          $secure_pwd = "#{password}" | ConvertTo-SecureString -AsPlainText -Force
+          $creds = New-Object System.Management.Automation.PSCredential -ArgumentList "#{username}", $secure_pwd
+          Connect-ExchangeOnline -Credential $creds
+          Set-AdminAuditLogConfig -UnifiedAuditLogIngestionEnabled $False
+        cleanup_command: |
+          $secure_pwd = "#{password}" | ConvertTo-SecureString -AsPlainText -Force
+          $creds = New-Object System.Management.Automation.PSCredential -ArgumentList "#{username}", $secure_pwd
+          Connect-ExchangeOnline -Credential $creds
+          Set-AdminAuditLogConfig -UnifiedAuditLogIngestionEnabled $True
+        name: powershell
+        elevation_required: false
   T1600.002:
     technique:
       id: attack-pattern--7efba77e-3bc4-4ca5-8292-d8201dcd64b5
diff --git a/atomics/T1562.008/T1562.008.md b/atomics/T1562.008/T1562.008.md
index 57fbeb8c..785f72f9 100644
--- a/atomics/T1562.008/T1562.008.md
+++ b/atomics/T1562.008/T1562.008.md
@@ -10,6 +10,8 @@ Cloud environments allow for collection and analysis of audit and application lo
 
 - [Atomic Test #2 - Azure - Eventhub Deletion](#atomic-test-2---azure---eventhub-deletion)
 
+- [Atomic Test #3 - Office 365 - Exchange Audit Log Disabled](#atomic-test-3---office-365---exchange-audit-log-disabled)
+
 
 <br/>
 
@@ -122,4 +124,65 @@ Install-Module -Name AzureAD -Force
 
 
 
+<br/>
+<br/>
+
+## Atomic Test #3 - Office 365 - Exchange Audit Log Disabled
+You can use the Exchange Management Shell to enable or disable mailbox audit logging for a mailbox.
+Unified or Admin Audit logs are disabled via the Exchange Powershell cmdline.
+https://github.com/Azure/Azure-Sentinel/blob/master/Detections/OfficeActivity/exchange_auditlogdisabled.yaml
+
+**Supported Platforms:** Office-365
+
+
+**auto_generated_guid:** 1ee572f3-056c-4632-a7fc-7e7c42b1543c
+
+
+
+
+
+#### Inputs:
+| Name | Description | Type | Default Value |
+|------|-------------|------|---------------|
+| username | office-365 username | String | |
+| password | office-365 password | String | |
+
+
+#### Attack Commands: Run with `powershell`! 
+
+
+```powershell
+$secure_pwd = "#{password}" | ConvertTo-SecureString -AsPlainText -Force
+$creds = New-Object System.Management.Automation.PSCredential -ArgumentList "#{username}", $secure_pwd
+Connect-ExchangeOnline -Credential $creds
+Set-AdminAuditLogConfig -UnifiedAuditLogIngestionEnabled $False
+```
+
+#### Cleanup Commands:
+```powershell
+$secure_pwd = "#{password}" | ConvertTo-SecureString -AsPlainText -Force
+$creds = New-Object System.Management.Automation.PSCredential -ArgumentList "#{username}", $secure_pwd
+Connect-ExchangeOnline -Credential $creds
+Set-AdminAuditLogConfig -UnifiedAuditLogIngestionEnabled $True
+```
+
+
+
+#### Dependencies:  Run with `powershell`!
+##### Description: ExchangeOnlineManagement PowerShell module must be installed
+##### Check Prereq Commands:
+```powershell
+$RequiredModule = Get-Module -Name ExchangeOnlineManagement -ListAvailable
+if (-not $RequiredModule) {exit 1}
+if (-not $RequiredModule.ExportedCommands['Connect-ExchangeOnline']) {exit 1} else {exit 0}
+```
+##### Get Prereq Commands:
+```powershell
+Install-Module -Name ExchangeOnlineManagement         
+Import-Module ExchangeOnlineManagement
+```
+
+
+
+
 <br/>