News & Alerts
    • Thu, May 28 2015

    A note on Logjam

    There is a lot of chatter about Logjam - https://weakdh.org today. At this time, the initial impacts to Collab seem to be minimal and are currently...
    • Thu, Mar 5 2015

    What the FREAK attack means to Zimbra

    Zimbra is aware of a newly disclosed SSL/TLS vulnerability that provides a potential malicious actor with a method to perform a Man-in-the-Middle...
    • Wed, Jan 28 2015

    GNU C Library Vulnerability — aka GHOST

    Zimbra is aware of a Linux vulnerability, specifically the GNU C Library. Details The vulnerability appears to have been found by Qualys and...
    • Thu, Dec 11 2014

    POODLE Revisited

    We have received a few inquiries about the reported TLS protocol vulnerability via the POODLE attack. SSL/TLS services in ZCS come from OpenSSL...