Syrian Electronic Army (SEA) claims it has hacked the website of messaging application Tango (tango.me), that includes hundreds of millions of electronic and voice data over the Internet. The hackers revealed the database will be provided to the Syrian Government. Earlier this week, the hackers also broke into the database of Truecaller app using similar exploit against outdated version of WordPress and claimed to download massive databases. At the time of reporting, administrators redirect the website to their facebook page and upgrading the server softwares.
Source: https://thehackernews.com/2013/07/Tango-messenger-hacked-Syrian-Electronic-Army.html