#emailsecurity

I started this post with a dig and felt good about it: $ dig +short TXT...

Short answer: treat A, CNAME, MX, and TXT as different contracts, then cut over only the records your...

When a fintech team asks if DNS is the right layer for geographic routing, TTL caching and failover...

The most convincing phishing email your finance team gets this year won't have a single typo. It will...

Modern IT environments face increasingly complex digital communications threats that evolve rapidly...

The Accidental Honeypot: How Two Domains Became a Data Leak Goldmine Security researcher Cory...

Security researcher Cory Solovewicz says noreply.net received 401,796 messages after he acquired it...

A guest can miss a changed reservation detail or trust a convincing fake confirmation when the...

Cybercriminals are constantly developing new ways to steal sensitive information, and phishing...

Before sitting down to write this, I did something simple: I queried the DMARC records of my own...

"The same technology that empowers businesses is also reshaping cybercrime." That statement has never...

Zimbra's Classic Web Client suffers a critical stored XSS vulnerability that lets crafted emails run malicious code, risking mailbox data and session hijacking. Update to version 10.1.19 now.