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Security

Zimbra Desktop Vulnerable to Man-in-the-Middle Attack 49

tiffanydanica writes "For all the flack Mozilla gets about its new security warnings for https sites, at least it warns the user when a mismatch occurs. Sadly the new Yahoo! Zimbra Desktop (released in part to fix some security issues), doesn't bother validating the SSL certificate on the other side before sending along the username and password, making it vulnerable to a man-in-the-middle attack. This is certainly a step up from transmitting the information in the clear, since the attacker must switch from being passive to active, but with all of the DNS security problems, it would be fairly trivial for a malicious attacker to grab a large number of Yahoo! accounts (be it for phishing or spaming). Hopefully this issue will get fixed shortly, but for now Yahoo! Zimbra Desktop users may wish to use the webmail interface."
Security

Submission + - Leading researcher Ian Goldberg on IM security 9

metaoink writes: "Ian Goldberg, leading security researcher, professor and co-creator of the Off-the-Record Messaging (OTR) protocol recently gave a talk in which he discusses OTR and its importance in today's world. With OTR users benefit from being able to have truly private conversations over IM, by using encryption to obtain authentication, deniability, and perfect forward secrecy, while working within their existing IM infrastructure. With the recent NSA wiretapping activities and increasing Big Brother presence, security and OTR are increasingly important. An XVID avi of the talk is available by http as well as by bittorrent and some other formats."

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