Analytics Alerts

Browse the Cortex analytics alert reference.

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1 alert match the current filters. tactic: TA0042 ✕

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  • Possible Brute Force in universal authentication Informational Identity Analytics 4 variations

    An abnormally high amount of authentication attempts via universal authentication were seen within a short period of time. This may indicate a brute-force attack.

    Activation:
    14 Days
    Training:
    30 Days
    Test:
    1 Hour
    Deduplication:
    1 Day
    ATT&CK tactics: Credential Access (TA0006) Resource Development (TA0042)
    ATT&CK techniques: Brute Force (T1110) Brute Force: Password Guessing (T1110.001) Compromise Accounts: Cloud Accounts (T1586.003)
    Attacker's goals: An attacker is attempting to gain access to an account secured with MFA.
    Investigative actions: Check the legitimacy of this activity and determine whether it is malicious or not. Check if the user usually logs in from this country. Check whether a successful login was made after unsuccessful attempts.

    Variations

    Possible Brute Force in universal authentication on a honey user

    Medium overridden

    An abnormally high amount of authentication attempts via universal authentication were seen within a short period of time. This may indicate a brute-force attack. overridden

    Suspicious Brute Force in universal authentication

    Medium overridden

    An abnormally high amount of authentication attempts via universal authentication were seen within a short period of time. This may indicate a brute-force attack. overridden

    Brute Force in universal authentication

    Low overridden

    An abnormally high amount of authentication attempts via universal authentication were seen within a short period of time. This may indicate a brute-force attack. overridden

    Abnormal Possible Brute Force in universal authentication

    Informational overridden

    The number of failed authentication attempts for this user significantly exceeds their historical baseline (avg + 3*stddev). overridden