Unauthorized authentication attempt against our Microsoft Entra ID tenant.
Source IP: 136.144.42. ...
show moreUnauthorized authentication attempt against our Microsoft Entra ID tenant.
Source IP: 136.144.42.189
Application: Azure Active Directory PowerShell
Event time (UTC): 8/4/2026 7:10
Error code: 50053
Result: Sign-in was blocked because it came from an IP address with malicious activity
Destination service: login.microsoftonline.com
Destination port: TCP 443
Activity is consistent with automated password spraying, credential stuffing, or brute-force authentication attempts.
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Unauthorized authentication attempt against our Microsoft Entra ID tenant.
Source IP: 185.238.231 ...
show moreUnauthorized authentication attempt against our Microsoft Entra ID tenant.
Source IP: 185.238.231.92
Application: Azure Active Directory PowerShell
Event time (UTC): 8/4/2026 6:48
Error code: 50053
Result: Sign-in was blocked because it came from an IP address with malicious activity
Destination service: login.microsoftonline.com
Destination port: TCP 443
Activity is consistent with automated password spraying, credential stuffing, or brute-force authentication attempts.
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Unauthorized authentication attempt against our Microsoft Entra ID tenant.
Source IP: 212.102.63. ...
show moreUnauthorized authentication attempt against our Microsoft Entra ID tenant.
Source IP: 212.102.63.73
Application: Office 365 Exchange Online
Event time (UTC): 8/5/2026 0:04
Error code: 50053
Result: The account is locked, you've tried to sign in too many times with an incorrect user ID or password.
Destination service: login.microsoftonline.com
Destination port: TCP 443
Activity is consistent with automated password spraying, credential stuffing, or brute-force authentication attempts.
show less
Unauthorized authentication attempt against our Microsoft Entra ID tenant.
Source IP: 143.244.47. ...
show moreUnauthorized authentication attempt against our Microsoft Entra ID tenant.
Source IP: 143.244.47.59
Application: Office 365 Exchange Online
Event time (UTC): 8/4/2026 23:45
Error code: 50053
Result: Sign-in was blocked because it came from an IP address with malicious activity
Destination service: login.microsoftonline.com
Destination port: TCP 443
Activity is consistent with automated password spraying, credential stuffing, or brute-force authentication attempts.
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Unauthorized authentication attempt against our Microsoft Entra ID tenant.
Source IP: 189.238.23. ...
show moreUnauthorized authentication attempt against our Microsoft Entra ID tenant.
Source IP: 189.238.23.43
Application: Office 365 Exchange Online
Event time (UTC): 8/4/2026 21:40
Error code: 53003
Result: Access has been blocked by Conditional Access policies. The access policy does not allow token issuance.
Destination service: login.microsoftonline.com
Destination port: TCP 443
Activity is consistent with automated password spraying, credential stuffing, or brute-force authentication attempts.
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Unauthorized authentication attempt against our Microsoft Entra ID tenant.
Source IP: 37.120.237. ...
show moreUnauthorized authentication attempt against our Microsoft Entra ID tenant.
Source IP: 37.120.237.162
Application: Office 365 Exchange Online
Event time (UTC): 8/4/2026 17:07
Error code: 50053
Result: The account is locked, you've tried to sign in too many times with an incorrect user ID or password.
Destination service: login.microsoftonline.com
Destination port: TCP 443
Activity is consistent with automated password spraying, credential stuffing, or brute-force authentication attempts.
show less
Unauthorized authentication attempt against our Microsoft Entra ID tenant.
Source IP: 148.227.67. ...
show moreUnauthorized authentication attempt against our Microsoft Entra ID tenant.
Source IP: 148.227.67.49
Application: Azure Active Directory PowerShell
Event time (UTC): 8/5/2026 4:35
Error code: 50126
Result: Error validating credentials due to invalid username or password.
Destination service: login.microsoftonline.com
Destination port: TCP 443
Activity is consistent with automated password spraying, credential stuffing, or brute-force authentication attempts.
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Unauthorized authentication attempt against our Microsoft Entra ID tenant.
Source IP: 41.56.242.2 ...
show moreUnauthorized authentication attempt against our Microsoft Entra ID tenant.
Source IP: 41.56.242.28
Application: Azure Active Directory PowerShell
Event time (UTC): 8/5/2026 4:06
Error code: 50053
Result: The account is locked, you've tried to sign in too many times with an incorrect user ID or password.
Destination service: login.microsoftonline.com
Destination port: TCP 443
Activity is consistent with automated password spraying, credential stuffing, or brute-force authentication attempts.
show less
Unauthorized authentication attempt against our Microsoft Entra ID tenant.
Source IP: 155.2.215.2 ...
show moreUnauthorized authentication attempt against our Microsoft Entra ID tenant.
Source IP: 155.2.215.27
Application: Azure Active Directory PowerShell
Event time (UTC): 8/5/2026 3:50
Error code: 50126
Result: Error validating credentials due to invalid username or password.
Destination service: login.microsoftonline.com
Destination port: TCP 443
Activity is consistent with automated password spraying, credential stuffing, or brute-force authentication attempts.
show less
Unauthorized authentication attempt against our Microsoft Entra ID tenant.
Source IP: 45.176.235. ...
show moreUnauthorized authentication attempt against our Microsoft Entra ID tenant.
Source IP: 45.176.235.244
Application: Azure Active Directory PowerShell
Event time (UTC): 8/5/2026 3:20
Error code: 50053
Result: The account is locked, you've tried to sign in too many times with an incorrect user ID or password.
Destination service: login.microsoftonline.com
Destination port: TCP 443
Activity is consistent with automated password spraying, credential stuffing, or brute-force authentication attempts.
show less
Unauthorized authentication attempt against our Microsoft Entra ID tenant.
Source IP: 45.179.58.1 ...
show moreUnauthorized authentication attempt against our Microsoft Entra ID tenant.
Source IP: 45.179.58.162
Application: Azure Active Directory PowerShell
Event time (UTC): 8/5/2026 2:54
Error code: 50053
Result: The account is locked, you've tried to sign in too many times with an incorrect user ID or password.
Destination service: login.microsoftonline.com
Destination port: TCP 443
Activity is consistent with automated password spraying, credential stuffing, or brute-force authentication attempts.
show less
Unauthorized authentication attempt against our Microsoft Entra ID tenant.
Source IP: 77.239.160. ...
show moreUnauthorized authentication attempt against our Microsoft Entra ID tenant.
Source IP: 77.239.160.62
Application: Azure Active Directory PowerShell
Event time (UTC): 8/5/2026 2:20
Error code: 50053
Result: The account is locked, you've tried to sign in too many times with an incorrect user ID or password.
Destination service: login.microsoftonline.com
Destination port: TCP 443
Activity is consistent with automated password spraying, credential stuffing, or brute-force authentication attempts.
show less
Unauthorized authentication attempt against our Microsoft Entra ID tenant.
Source IP: 142.111.152 ...
show moreUnauthorized authentication attempt against our Microsoft Entra ID tenant.
Source IP: 142.111.152.41
Application: Azure Active Directory PowerShell
Event time (UTC): 8/5/2026 1:40
Error code: 50057
Result: The user account is disabled.
Destination service: login.microsoftonline.com
Destination port: TCP 443
Activity is consistent with automated password spraying, credential stuffing, or brute-force authentication attempts.
show less
Unauthorized authentication attempt against our Microsoft Entra ID tenant.
Source IP: 142.111.152 ...
show moreUnauthorized authentication attempt against our Microsoft Entra ID tenant.
Source IP: 142.111.152.36
Application: Azure Active Directory PowerShell
Event time (UTC): 8/5/2026 1:36
Error code: 50053
Result: Sign-in was blocked because it came from an IP address with malicious activity
Destination service: login.microsoftonline.com
Destination port: TCP 443
Activity is consistent with automated password spraying, credential stuffing, or brute-force authentication attempts.
show less
Unauthorized authentication attempt against our Microsoft Entra ID tenant.
Source IP: 191.113.91. ...
show moreUnauthorized authentication attempt against our Microsoft Entra ID tenant.
Source IP: 191.113.91.255
Application: Azure Active Directory PowerShell
Event time (UTC): 8/5/2026 0:37
Error code: 50057
Result: The user account is disabled.
Destination service: login.microsoftonline.com
Destination port: TCP 443
Activity is consistent with automated password spraying, credential stuffing, or brute-force authentication attempts.
show less
Unauthorized authentication attempt against our Microsoft Entra ID tenant.
Source IP: 185.185.175 ...
show moreUnauthorized authentication attempt against our Microsoft Entra ID tenant.
Source IP: 185.185.175.172
Application: Azure Active Directory PowerShell
Event time (UTC): 8/5/2026 0:08
Error code: 50053
Result: The account is locked, you've tried to sign in too many times with an incorrect user ID or password.
Destination service: login.microsoftonline.com
Destination port: TCP 443
Activity is consistent with automated password spraying, credential stuffing, or brute-force authentication attempts.
show less
Unauthorized authentication attempt against our Microsoft Entra ID tenant.
Source IP: 51.36.175.1 ...
show moreUnauthorized authentication attempt against our Microsoft Entra ID tenant.
Source IP: 51.36.175.126
Application: Azure Active Directory PowerShell
Event time (UTC): 8/4/2026 22:49
Error code: 50053
Result: The account is locked, you've tried to sign in too many times with an incorrect user ID or password.
Destination service: login.microsoftonline.com
Destination port: TCP 443
Activity is consistent with automated password spraying, credential stuffing, or brute-force authentication attempts.
show less
Unauthorized authentication attempt against our Microsoft Entra ID tenant.
Source IP: 98.159.37.2 ...
show moreUnauthorized authentication attempt against our Microsoft Entra ID tenant.
Source IP: 98.159.37.250
Application: Azure Active Directory PowerShell
Event time (UTC): 8/4/2026 22:09
Error code: 50053
Result: Sign-in was blocked because it came from an IP address with malicious activity
Destination service: login.microsoftonline.com
Destination port: TCP 443
Activity is consistent with automated password spraying, credential stuffing, or brute-force authentication attempts.
show less
Unauthorized authentication attempt against our Microsoft Entra ID tenant.
Source IP: 105.113.80. ...
show moreUnauthorized authentication attempt against our Microsoft Entra ID tenant.
Source IP: 105.113.80.102
Application: Azure Active Directory PowerShell
Event time (UTC): 8/4/2026 20:47
Error code: 50057
Result: The user account is disabled.
Destination service: login.microsoftonline.com
Destination port: TCP 443
Activity is consistent with automated password spraying, credential stuffing, or brute-force authentication attempts.
show less
Unauthorized authentication attempt against our Microsoft Entra ID tenant.
Source IP: 88.246.246. ...
show moreUnauthorized authentication attempt against our Microsoft Entra ID tenant.
Source IP: 88.246.246.132
Application: Azure Active Directory PowerShell
Event time (UTC): 8/4/2026 20:28
Error code: 50057
Result: The user account is disabled.
Destination service: login.microsoftonline.com
Destination port: TCP 443
Activity is consistent with automated password spraying, credential stuffing, or brute-force authentication attempts.
show less
Unauthorized authentication attempt against our Microsoft Entra ID tenant.
Source IP: 98.159.37.2 ...
show moreUnauthorized authentication attempt against our Microsoft Entra ID tenant.
Source IP: 98.159.37.214
Application: Azure Active Directory PowerShell
Event time (UTC): 8/4/2026 19:20
Error code: 50053
Result: Sign-in was blocked because it came from an IP address with malicious activity
Destination service: login.microsoftonline.com
Destination port: TCP 443
Activity is consistent with automated password spraying, credential stuffing, or brute-force authentication attempts.
show less
Unauthorized authentication attempt against our Microsoft Entra ID tenant.
Source IP: 193.176.214 ...
show moreUnauthorized authentication attempt against our Microsoft Entra ID tenant.
Source IP: 193.176.214.22
Application: Azure Active Directory PowerShell
Event time (UTC): 8/4/2026 19:14
Error code: 50057
Result: The user account is disabled.
Destination service: login.microsoftonline.com
Destination port: TCP 443
Activity is consistent with automated password spraying, credential stuffing, or brute-force authentication attempts.
show less
Unauthorized authentication attempt against our Microsoft Entra ID tenant.
Source IP: 193.36.225. ...
show moreUnauthorized authentication attempt against our Microsoft Entra ID tenant.
Source IP: 193.36.225.188
Application: Azure Active Directory PowerShell
Event time (UTC): 8/4/2026 19:05
Error code: 50053
Result: Sign-in was blocked because it came from an IP address with malicious activity
Destination service: login.microsoftonline.com
Destination port: TCP 443
Activity is consistent with automated password spraying, credential stuffing, or brute-force authentication attempts.
show less
Unauthorized authentication attempt against our Microsoft Entra ID tenant.
Source IP: 196.39.235. ...
show moreUnauthorized authentication attempt against our Microsoft Entra ID tenant.
Source IP: 196.39.235.93
Application: Azure Active Directory PowerShell
Event time (UTC): 8/4/2026 18:57
Error code: 50057
Result: The user account is disabled.
Destination service: login.microsoftonline.com
Destination port: TCP 443
Activity is consistent with automated password spraying, credential stuffing, or brute-force authentication attempts.
show less
Unauthorized authentication attempt against our Microsoft Entra ID tenant.
Source IP: 145.255.161 ...
show moreUnauthorized authentication attempt against our Microsoft Entra ID tenant.
Source IP: 145.255.161.57
Application: Azure Active Directory PowerShell
Event time (UTC): 8/4/2026 15:08
Error code: 50053
Result: The account is locked, you've tried to sign in too many times with an incorrect user ID or password.
Destination service: login.microsoftonline.com
Destination port: TCP 443
Activity is consistent with automated password spraying, credential stuffing, or brute-force authentication attempts.
show less
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