How to Investigate a Malicious Inbox Rule in Microsoft 365
A practical playbook for investigating a suspicious Microsoft 365 inbox rule: read the rule, scope the account, check what mail was exposed and contain it cleanly.
3 Nov 20269 min read
2 posts found
A practical playbook for investigating a suspicious Microsoft 365 inbox rule: read the rule, scope the account, check what mail was exposed and contain it cleanly.
Work out what a user consented to, whether the app has touched any data and how to remove it safely, with KQL for Entra audit, sign in and Graph activity logs.