Tag: Email Security
Cisco patches a zero-day that turns one email into root
A crafted message can give an unauthenticated attacker root on Cisco's secure email gateway, and the flaw is already being…
Invisible Unicode tags hide phishing lures from email filters
Microsoft tracks a phishing wave that splits lure words with invisible tag characters to dodge email filters.
Zimbra mail servers under fire as SNMP bug gets exploited
Poland's CERT warns attackers are exploiting a patched Zimbra command-injection flaw in the wild.
Russian Laundry Bear group exploits Zimbra zero-day to steal email and 2FA codes
US agencies warn that Russian APT group Laundry Bear is actively exploiting CVE-2025-66376 against unpatched Zimbra Collaboration servers worldwide.
Zimbra Classic Web Client Vulnerability Allows Code Execution via Malicious Emails
A stored XSS vulnerability in Zimbra's Classic Web Client lets attackers execute malicious code when a user opens a specially…
Attackers Abuse CAPTCHA and ClickFix Tactics to Boost Credential Theft Campaigns
Microsoft tracked 8.3 billion email-based phishing threats in Q1 2026 as CAPTCHA-gated attacks more than doubled in March, hitting 11.9…