The Zimbra security team urged customers to patch a critical vulnerability affecting the Classic Web Client used to access the Zimbra Collaboration suite. Zimbra is a very popular email and ...

The NCSC and partners warned of a novel phishing technique being deployed against high-profile users of Zimbra's ...

Facepalm: Popular collaboration platform Zimbra was recently updated to patch a potentially dangerous vulnerability in its Classic Web Client component. In theory, malicious actors could abuse the ...

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Looker 26.12 has finished rolling out to all Looker (original) instances, turning multi-factor authentication on by default ...

The Russian state-sponsored hacking group Laundry Bear, also known as Void Blizzard, is exploiting an Exchange Outlook Web Access vulnerability in email campaigns to deliver a sophisticated backdoor ...

Admins for the popular email and collaboration suite — a frequent target of state-sponsored APTs — are urged to upgrade as soon as possible.

Russian hackers exploit CVE-2026-42897 in OWA to deploy OWAReaper, a browser implant that persists through credential ...

Russian state hackers are using a maximum-severity vulnerability in Microsoft’s Outlook’s Exchange Server to backdoor ...

Usually, when an attack is done via email, the victim is required to at least download a file or click a link. In this case, a cross-site scripting (XSS) vulnerability in the Zimbra web-based email ...