Hackers exploited Zimbra flaw as zero-day using iCalendar files
Researchers monitoring for larger .ICS calendar attachments found that a flaw in Zimbra Collaboration…
Russia-Linked APT28 Exploited MDaemon Zero-Day to Hack Government Webmail Servers
A Russia-linked threat actor has been attributed to a cyber espionage operation…
CISA Adds Microsoft and Zimbra Flaws to KEV Catalog Amid Active Exploitation
Feb 26, 2025Ravie LakshmananEnterprise Security / Vulnerability The U.S. Cybersecurity and Infrastructure…