Viber can best be described as an Android messaging app designed to compete with Skype.
A number of prominent military officials believe cyber warfare is one of biggest threats the United States is facing today.
Former US Secretary of State Colin Powell has had a few juicy things to say about ex-president George Bush over the last couple of days - or the person using his Facebook account has, at any rate.
A senior White House official has demanded that China stop hacking US computer systems and agree to a set of international rules on behavior in cyberspace.
The Defense Advanced Research Projects Agency (DARPA) is currently working on an initiative that would allow large drones to take off and land from the surface of small warships - rather than gigantic aircraft carriers.
As Apple likes to keep reminding us, Android is the biggest target for mobile malware - and, according to F-Secure, it's getting more so all the time.
A British hacker jailed for computetr fraud managed to hack into his own prison's computer system during an IT lesson.
Cloud-based note-taking service Evernote has admitted it's been hacked, threatening the personal information of its 50 million users.
China's Defense Ministry has accused the US of repeated cyberattacks on its website, along with a People's Liberation Army news site.
The Stuxnet worm, used to attack nuclear reprocessing plants in Iran, was targeting the country as early as 2005, say reseqarchers at security firm Symantec.
Microsoft's admitted that it, too, was recently hit by hackers using the same techniques as recent attacks on Facebook and Apple, but says that no customer data has been compromised.
In an announcement slipped out late on Friday night, the company says it chose not to reveal the breach until it had investigated fully.
Data on an unknown number of Twitter, Tumblr and Pinterest users is at risk after customer service software provider Zendesk was hacked.
Google's warning of a big increase in the number of email accounts being hijacked - but says that things would be more than 100 times worse it it weren't for the company's efforts.
Security company Mandiant says it's found clear evidence that a Chinese military unit is behind hacking attacks on more than 140 organizations over the last seven years.
Just putting an Android phone in a freezer can be enough to make it vulnerable to attack, say researchers who have demonstrated the exploit.
Apple's promising to fix a flaw, revealed in a YouTube video, that allows anyone with physical access to a device running iOS 6.1 to bypass the lock screen, which requires a four-digit PIN, and gain partial control.
The European police agency Europol has confirmed that it successfully dismantled one of the most efficient cyber crime organizations in operation.
Apple has faced a number challenges over the last year related to software errors and flaws on its flagship iPhone.
Pre-teen children are increasingly developing malicious code, anti-virus company AVG is warning.
Microsoft and Symantec say they've taken down a botnet that hit more than eight million computers worldwide.