Alerts
Rule results for failed logons, lockouts, privileged and policy changes, brute force, spraying and probing.
Privileged account logon
1 successful logon (4624) on 2026-10-16 by orin.quill, member of Administrators, Domain Admins.
Account orin.quill
Account lifecycle change
Account changed: kian.briar by elin.briar on DC-EX-01 at 2026-10-15 17:44:00 UTC.
Account kian.briar · Source 10.24.3.10
Privileged account logon
1 successful logon (4624) on 2026-10-14 by neri.vale, member of Account Operators.
Account neri.vale
Password changed
elin.vale changed their password on DC-EX-01 at 2026-10-14 12:26:00 UTC.
Account elin.vale · Source 10.24.4.114
Privileged account logon
1 successful logon (4624) on 2026-10-13 by tavi.vale, member of Administrators, Domain Admins, Enterprise Admins.
Account tavi.vale
Password changed
elin.vale changed their password on DC-EX-01 at 2026-10-13 13:00:00 UTC.
Account elin.vale · Source 10.24.1.102
Password changed
mira.quill changed their password on DC-EX-02 at 2026-10-12 17:59:00 UTC.
Account mira.quill · Source 10.24.2.130
Account lifecycle change
Account disabled: mira.moss by neri.vale on DC-EX-02 at 2026-10-12 16:43:00 UTC.
Account mira.moss · Source 10.24.2.177
Privileged account logon
1 successful logon (4624) on 2026-10-12 by neri.vale, member of Account Operators.
Account neri.vale
Account lifecycle change
Account changed: neri.vale by elin.briar on DC-EX-02 at 2026-10-12 08:46:00 UTC.
Account neri.vale · Source 10.24.2.212
Privileged account logon
1 successful logon (4624) on 2026-10-09 by tavi.vale, member of Administrators, Domain Admins, Enterprise Admins.
Account tavi.vale
Password changed
tavi.moss changed their password on DC-EX-01 at 2026-10-08 08:51:00 UTC.
Account tavi.moss · Source 10.24.4.142
Account lifecycle change
Account disabled: sela.moss by neri.vale on DC-EX-02 at 2026-10-07 17:13:00 UTC.
Account sela.moss · Source 10.24.3.130
Password changed
tavi.moss changed their password on DC-EX-01 at 2026-10-06 17:23:00 UTC.
Account tavi.moss · Source 10.24.1.130
Privileged account logon
1 successful logon (4624) on 2026-10-06 by orin.quill, member of Administrators, Domain Admins.
Account orin.quill
Password changed
neri.briar changed their password on DC-EX-01 at 2026-10-02 15:15:00 UTC.
Account neri.briar · Source 10.24.2.137
Account lifecycle change
Account changed: lio.quill by elin.briar on DC-EX-01 at 2026-10-02 14:58:00 UTC.
Account lio.quill · Source 10.24.2.178
Account lifecycle change
Account changed: tavi.wren by elin.briar on DC-EX-02 at 2026-09-30 14:06:00 UTC.
Account tavi.wren · Source 10.24.1.78
Password changed
neri.quill changed their password on DC-EX-02 at 2026-09-30 09:44:00 UTC.
Account neri.quill · Source 10.24.1.114
Account lifecycle change
Account changed: neri.briar by elin.briar on DC-EX-02 at 2026-09-28 17:43:00 UTC.
Account neri.briar · Source 10.24.1.68
Rule coverage
Rules evaluated by the scheduled cli/evaluate-alerts.php job over the collected events · pattern thresholds: brute force 10, spraying 10, probing 5 per 10 minutes
| Rule | Severity | Trigger | Alerts raised |
|---|---|---|---|
| Brute force | Critical | At least 10 failed logons (4625) for one account within 10 minutes | 2 |
| Password spraying | Critical | One source fails logons for at least 10 distinct existing accounts within 10 minutes | 1 |
| Account probing | Critical | One source tries at least 5 non-existent accounts (status 0xC0000064) within 10 minutes | 1 |
| Security log cleared | Critical | Any 1102 event | 1 |
| Audit policy changed | Critical | Any 4719 event | 1 |
| Member added to privileged group | Critical | 4728 / 4732 / 4756 for a privileged group | 2 |
| Member removed from privileged group | Warning | 4729 / 4733 / 4757 for a privileged group | 1 |
| Account locked out | Warning | Any 4740 event | 24 |
| Password reset by another account | Warning | Any 4724 event | 17 |
| Group Policy changed | Warning | 5136 / 5137 on a Group Policy object | 1 |
| Directory object changed | Info | 5136 / 5137 on other directory objects | 9 |
| Account lifecycle change | Info | 4720 / 4722 / 4725 / 4726 / 4738 | 44 |
| Password changed | Info | Any 4723 event | 27 |
| Privileged account logon | Info | 4624 by a member of a privileged group (one alert per account per day) | 20 |