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    All Detections

    Failed Logon From Public IP

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    GlassDiceBearhttps://www.dicebear.comhttps://creativecommons.org/publicdomain/zero/1.0/„Glass” (https://www.dicebear.com) by „DiceBear”, licensed under „CC0 1.0” (https://creativecommons.org/publicdomain/zero/1.0/)
    SigmaHQ Detections@sigmaHQ
    •updated Apr 28, 2026•0•0•0

    Detects a failed logon attempt from a public IP. A login from a public IP can indicate a misconfigured firewall or network boundary.

    Sigma

    Tags

    TA0004 - Privilege EscalationTA0001 - Initial AccessTA0003 - PersistenceTA0005 - StealthT1078 - Valid AccountsT1190 - Exploit Public-Facing ApplicationT1133 - External Remote ServicesAuthentication FailureLogon EventWindowsWindows Eventlog Securityattack.privilege-escalationattack.initial-accessattack.persistenceattack.stealthattack.t1078attack.t1190attack.t1133

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