
Cyber Attacks
Implement Email Filtering: A Step-by-Step Guide for Secure Delivery
Email filtering fails when teams deploy rules before establishing baseline traffic patterns, causing legitimate mail to vanish without warning.
Everything RedTeam Monitor has reported about dmarc: 3 stories, newest first. Part of our Cyber Attacks coverage.

Email filtering fails when teams deploy rules before establishing baseline traffic patterns, causing legitimate mail to vanish without warning.

Misconfigured DMARC policies often fail to stop sophisticated brand impersonation attacks because administrators ignore DNS spoofing risks in monitoring data.

Small teams can block most impersonation attempts by publishing a single text record in their DNS zone, requiring no new software or hardware purchases.