email security

(2 articles)

May 15, 2026

CVE-2026-42897: Exchange Server Exploited via Email

CVE-2026-42897 lets attackers exploit on-prem Microsoft Exchange through crafted emails. Learn the technical details and how to protect your mail server.

April 24, 2026

Zimbra XSS Flaw CVE-2025-48700 Hits 10K Servers

Over 10,500 unpatched Zimbra servers are actively exploited via CVE-2025-48700 XSS. Learn what's at risk and how to secure your instance now.