Alerts
Rule results for failed logons, lockouts, privileged and policy changes, brute force, spraying and probing.
Account lifecycle change
Account changed: veya.quill by elin.briar on DC-EX-02 at 2026-09-09 13:58:00 UTC.
Account veya.quill · Source 10.24.2.170
Password changed
dara.vale changed their password on DC-EX-01 at 2026-09-09 11:12:00 UTC.
Account dara.vale · Source 10.24.3.41
Password changed
tavi.briar changed their password on DC-EX-01 at 2026-09-08 11:34:00 UTC.
Account tavi.briar · Source 10.24.3.79
Account lifecycle change
Account changed: neri.briar by elin.briar on DC-EX-01 at 2026-09-07 12:35:00 UTC.
Account neri.briar · Source 10.24.3.124
Password changed
anika.wren changed their password on DC-EX-01 at 2026-09-07 10:20:00 UTC.
Account anika.wren · Source 10.24.4.125
Password changed
orin.vale changed their password on DC-EX-01 at 2026-09-04 09:15:00 UTC.
Account orin.vale · Source 10.24.1.68
Privileged account logon
1 successful logon (4624) on 2026-09-03 by dara.vale, member of Server Operators.
Account dara.vale
Password changed
sela.vale changed their password on DC-EX-01 at 2026-09-03 08:23:00 UTC.
Account sela.vale · Source 10.24.2.217
Password changed
elin.moss changed their password on DC-EX-01 at 2026-09-02 15:07:00 UTC.
Account elin.moss · Source 10.24.2.15
Account lifecycle change
Account changed: mira.wren by elin.briar on DC-EX-01 at 2026-09-02 10:09:00 UTC.
Account mira.wren · Source 10.24.4.169
Account lifecycle change
Account changed: kian.vale by elin.briar on DC-EX-01 at 2026-09-01 15:56:00 UTC.
Account kian.vale · Source 10.24.3.13
Account lifecycle change
Account enabled: dara.vale by neri.vale on DC-EX-02 at 2026-09-01 09:59:00 UTC.
Account dara.vale · Source 10.24.3.191
Directory object changed
Directory object modified by tavi.vale on DC-EX-01 at 2026-09-01 09:37:00 UTC.
Source 10.24.1.218
Account lifecycle change
Account created: dara.vale by neri.vale on DC-EX-01 at 2026-09-01 09:25:00 UTC.
Account dara.vale · Source 10.24.2.127
Account lifecycle change
Account changed: tavi.briar by elin.briar on DC-EX-02 at 2026-08-31 14:15:00 UTC.
Account tavi.briar · Source 10.24.4.12
Password changed
dara.vale changed their password on DC-EX-01 at 2026-08-28 15:53:00 UTC.
Account dara.vale · Source 10.24.3.90
Privileged account logon
1 successful logon (4624) on 2026-08-27 by tavi.vale, member of Administrators, Domain Admins, Enterprise Admins.
Account tavi.vale
Account lifecycle change
Account changed: tavi.briar by elin.briar on DC-EX-02 at 2026-08-27 08:18:00 UTC.
Account tavi.briar · Source 10.24.3.177
Password changed
elin.wren changed their password on DC-EX-02 at 2026-08-24 16:17:00 UTC.
Account elin.wren · Source 10.24.1.48
Directory object changed
Directory object modified by tavi.vale on DC-EX-01 at 2026-08-24 12:39:00 UTC.
Source 10.24.1.109
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 |