Microsoft 365 AiTM Defense
Sentinel detection, sign-in from a hosting ASN
Real users sign in from residential ISPs and corporate networks. Attackers replaying cookies sign in from rented VPS. …
Microsoft 365 AiTM Defense
AiTM incident response, what to do when the alert fires at 2am
Step-by-step runbook for when an AiTM detection lights up. Revoke, reset, audit, clean persistence, pivot-hunt. Exact PowerShell included.