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Learn about the latest online threats and how you can protect your PC or mobile device—and your privacy. Check out our guides and security downloads for all platforms.

news - SEPTEMBER 30 0

The creator of spying app StealthGenie has been arrested, which could be the first of many such investigations into commercial spyware.

news - SEPTEMBER 30 2

The FBI and local law enforcement assert that Apple and Google's encryption plans are hampering their ability to crack down on criminals.

Security on the Community

Security experts answer your questions

Downloads for Security

software editor's choice
  • Kaspersky Internet Security - free

    Kaspersky Internet Security does a better-than-average job of keeping your PC safe. Three new features along with expected upgrades to their antivirus engine keep Kaspersky competitive.

    available for : windows
  • Mobile Security & Antivirus - free

    Mobile Security & Antivirus is a free mobile security application that provides Android devices with full-featured Antivirus and Anti-Theft security.

    available for : android
  • Microsoft Security Essentials - free

    Microsoft Security Essentials is a free software with security features all together.

    available for : windows
See "Security" downloads
news - SEPTEMBER 30 1

Despite its insistence that OS X users were in no danger, Apple has issued security patches for the Shellshock flaw.

Tutorial - OCTOBER 1

As with other security-enabled IDs and profiles, your Apple ID can also be protected with two-step authentication in order to add an additional...

news - SEPTEMBER 29 1

Newbeem mixes

news - SEPTEMBER 29 2

Malicious ads on free-media download site The Pirate Bay have been attacking users, security company Malwarebytes finds.

news - SEPTEMBER 29 0

Mining publicly available taxi data reveals celebrities' movements through Manhattan, addresses of regular strip-club customers.

news - SEPTEMBER 26 0

Apple said the effects of the Shellshock bug were limited on OS X, even as attacks on Web servers mounted.

news - SEPTEMBER 25 0

The full extent of the Shellshock flaw affecting Mac OS X and Linux became more apparent as attacks began Thursday.

news - SEPTEMBER 25 0

The Haven Digital Lock improves upon the traditional padlock by securing your home with more voracity.

news - SEPTEMBER 24 2

A deep-rooted flaw was revealed and patched today in a fundamental function of OS X, Linux and other UNIX-like operating systems.

news - SEPTEMBER 24 0

Despite slight improvements, the iPhone 6's TouchID sensor can still be fooled with some basic forensic techniques and a fake fingerprint.

news - SEPTEMBER 24 1

If you want a copy of FIFA 15, you should probably buy it through legitimate channels; the illicit download links appear to lead to malware.

news - SEPTEMBER 23 0

A data breach at tour-booking company Viator has exposed hundreds of thousands of users' payment-card info and account data.

news - SEPTEMBER 23 0

Google has detected and shut down a new malvertising campaign that may have affected millions of users worldwide.

news - SEPTEMBER 22 0

A fun bit of injected JavaScript shows how easy it can be to make websites misbehave.

news - SEPTEMBER 22 0

When students come back to college, hackers come back with them. Here's how students and faculty can protect themselves on campus networks.

news - SEPTEMBER 21 0

The Target data breach was bad, but you've probably never heard of others that were just as bad, or even worse.

news - SEPTEMBER 19 0

These emails appear to be from NASA and claim an alien footprint was found on Mars, but they really contain a malicious Trojan.

news - SEPTEMBER 19 2

Home Depot confirms 56 million payment cards were stolen from its stores, making it possibly the worst data breach to ever hit one company.

news - SEPTEMBER 19 0

Loop Labs' Notion system provides users with a series of multifunctional sensors that can track everything from water leaks to broken windows

news - SEPTEMBER 18 1

Apple's iOS 8 contains striking security improvements and comes with a stringent privacy policy that makes it difficult to spy upon iPhones.


We review the best free and paid Mac antivirus programs based on protection, ease of use and performance impact to help you choose.

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