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Tactic:
Detect excessive password reset requests from an IP.
This may be caused by a malicious actor trying to use the feature to list existing users, or compromise some.
Datadog auto-instruments many event types. Review your instrumented business logic events. This detection requires the following instrumented event:
users.password_reset
Count the number of users to which an IP requested password resets.
Require the password reset to be flagged using a user event with a usr.id
metadata field set to the user receiving the password reset and a exists
field set to true
or false
whether the user existed or not.
usr.id
must be provided and unique, even if the user didn’t exist.
A Medium
signal is then generated if more than 5 password resets from a single IP over 5 minutes are found for users that exist. A Low
signal is generated if the user didn’t exist.