Analytics Informational
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Possible Password Spray in universal authentication

An abnormally high amount of universal authentication attempts were seen within a short period of time. This may indicate a password spray attack.

Module:
Identity Analytics
ATT&CK tactics: Credential Access (TA0006) Resource Development (TA0042)
ATT&CK techniques: Brute Force: Password Spraying (T1110.003) Brute Force: Password Guessing (T1110.001) Compromise Accounts: Cloud Accounts (T1586.003)
Attacker's goals:

An attacker may be attempting to gain unauthorized access to user accounts.

Investigative actions:

Determine whether this was part of a legitimate action. Check if the user usually logs in from this country. Check whether a successful login was made after unsuccessful attempts.

Test period:
1 Hour
Deduplication:
1 Day
4 variations:
  • Possible Password Spray in universal authentication Involving a Honey User Medium (parent: Informational)
  • Suspicious Password Spray in universal authentication Medium (parent: Informational)
  • Password Spray in universal authentication Low (parent: Informational)
  • Possible Password Spray in universal authentication with successful authentication Informational