Email Security

Lack of DMARC report coverage hides phishing attempts, leaving business emails vulnerable to threat actors.

Using Google Groups for shared inboxes can expose teams to phishing and security risks.

Wildcard DMARC EDV records can be exploited, flooding mailboxes with thousands of legitimate-looking reports.

Invalid DMARC RUA addresses harm reporting infrastructure and signal negligence toward email security standards.

Phishing attack on vertigo360.me highlights risks when SPF and DMARC policies are missing.

A client under spoofing attack refuses to enforce DMARC despite clear phishing evidence.

Strict DMARC policy prevented a spoofing attack, protecting domain despite spam filter bypass.