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.
Build a tuned LSASS access detection from Sysmon Event ID 10, with Splunk, Sentinel and Sigma versions, plus triage steps and the hardening that reduces your risk.