Since the first PC virus landed on machines more than 30 years ago, malware has become more sophisticated and dangerous.
Hundreds of apps, including some of China's most popular, were infected with malicious software.
A report from a security firm identified a group of hackers called the Dukes, who have been attacking governments for seven years.
These sites help ensure better security by encrypting your online chats, erasing browsing history and keeping your physical geo-location top secret.
The website Ashley Madison said its customers' info had been stolen by hackers and posted online briefly before the breach was fixed.
Hackers accessed the personal data of at least four million current and former federal employees.
With the release of the new techno thriller Blackhat, we take a look at depictions of hackers and hacking culture in the movies.
Signals are created when you type at the keyboard and can be picked up with the right kind of electronic eavesdropping equipment.
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