Russian Espionage Hackers Hit Zimbra With Half-Click Attacks

Viewing Malicious Email in Vulnerable Webmail Client Triggers Data-Stealing Attack Russian cyberespionage hackers are targeting a vulnerability in Zimbra Collaboration Suite - a patch is available - that enables them to execute a malicious, data- and email-stealing script simply if a user of a vulnerable client opens their email, warn Western cybersecurity agencies.