Account Lockout
Unusual amount of users logged out of their account

Concurrent Session Usage
User with multiple sessions for different locations

Blocked Content
Attack trying to access & download blocked content

Impossible Travel
Account accessed from geographically distinct location

Resource Consumption
Unusually high resource utilization

Resource Inaccessibility
Could indicate a ransomware attack

Out-of-cycle Logging
Logs contain actions & activities that should normally not be present

Missing Logs
Logs deleted without any authorized reason

Published or Documented Attack
Researcher publishes article on compromised company