HIDS 59230

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Rule 59222
Status Active
Alert Message Account locked out

Contents

[edit] Description

Windows is reporting that the account the user has attempted to access has been locked out.

[edit] Associated Windows Event IDs

  • 529
  • 530
  • 531
  • 532
  • 533
  • 534
  • 535
  • 536
  • 537
  • 539
  • 4625

[edit] What you should do

This means that the account has been locked out by Windows, typically because of too many authentication failures. This may indicate that the account is under attack, and the source(s) of the logon failures should be investigated to determine if this is an attack against other accounts. Search the GUI for additional events from the source IPs for these events.

The platform will track this logon, and if multiple events occur will issue a higher level alert that a brute force attack may be occurring.

[edit] Troubleshooting

[edit] False Positives

There are no false positives with this rule.

[edit] Tuning Guidance

There is no guidance for tuning this rule, and the rule should not be disabled.

[edit] Additional Information

[edit] Support

If you are unsure about how to respond to this alert, please contact Atomicorp support. We're here to help you!

[edit] Similar Rules

HIDS_59222 Windows: Remote Logon Failure - Unknown user or bad password

HIDS_59223 Logon Failure - Account logon time restriction violation

HIDS_59224 Logon Failure - Account currently disabled

HIDS_59225 Logon Failure - Specified account expired

HIDS_59226 Logon Failure - User not allowed to login at this computer

HIDS_59227 Logon Failure - User not granted logon type

HIDS_59228 Logon Failure - Account's password expired

HIDS_59229 Logon Failure - Internal error


[edit] Knowledge Base Articles

None.

[edit] Outside References

None.

[edit] Notes

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