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Chinese officials no longer approve the use of the two antivirus software vendors, according to reports.
If you're concerned you may be the unwitting victim of the firm's exploits, download this free tool.
Kaspersky Lab detected a sophisticated and expensive hack it says was carried out by a country.
Attackers stole usernames and clues to master passwords, the company says, but are unable to breach the vast store of encrypted passwords the service manages.
Silicon Valley is pouring more money into Internet security companies than ever before.
Security vendor Kaspersky outs a group capable of inserting spying software onto hard drives around the world, while Reuters fingers the NSA as the culprit.
There's more evidence that 2014 was a really bad year in the fight against malicious software. Panda Security says the number of new malware strains it detected doubled compared with 2013.
Updated iOS app lets you send secure group, text, picture and video messages to other Apple mobile devices, and to Android users who have the TextSecure app.
With the help of malware, hackers hit more than 100 financial institutions in 30 countries, says a report released to The New York Times by cybersecurity firm Kaspersky Lab.
Security software maker says it paid nothing and there were no settlement agreement with the patent assertion entity, commonly known as a patent troll.