A guide to hardening the email and DNS layer. DMARC enforcement (p=reject) on top of SPF/DKIM, MTA-STS/TLS-RPT and BIMI, secure email gateway (Safe Links/Attachments, anti-impersonation), blocking automatic forwarding, DNSSEC, protective DNS (PDNS), and registrar/registry lock. Significantly reduces phishing, BEC, and domain spoofing.
Technique Library
MITRE ATT&CK-based attack techniques — Exploit · Prevention · Detection
38 techniques