Google’s Threat Analysis Group (TAG) detected a zero-day exploit targeting the Zimbra Collaboration, an open-source email server used by over 5,000 organisations globally. The bug, known as CVE-2023-37580, allows cross-site scripting and led to the theft of user credentials, email data, and authentication tokens by four distinct groups. Zimbra released a hotfix to address this vulnerability, but the exploit activity increased after the fix details were disclosed on GitHub.

Week in review: Windows zero-day exploit leaked, Patch Tuesday forecast
Here’s an overview of some of last week’s most interesting news, articles, interviews and videos: Cloudflare moves up its post-quantum deadline as researchers narrow the


