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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.


With ArcSoft's face-tracking technology, the Simplicam powered by Closeli can identify when there's an intruder, or if it's just your cat walking around.


Bitdefender Total Security 2015 combines impeccable protection with strong features, including profile settings to optimize resources.

Downloads for Security

software editor's choice
  • BitDefender Internet Security - free

    BitDefender Internet Security is a complete protection to avoid all threats that may enter or harm your computer system.

    available for : windows
  • 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
  • Intego Mac Internet Security X8 - free

    Protect your Mac from Internet threats with Intego Mac Internet Security X8.

    available for : mac os
See "Security" downloads
news - AUGUST 27 4

The PlayStation Network hackers may have struck again, this time knocking game-streaming site Twitch offline for several hours.

news - AUGUST 27 1

Here are 12 common mistakes that result in malware infections, computer viruses or getting your computer outright hacked.

news - AUGUST 26 7

The California law requiring kill switches for smartphones is a good one in theory, but it comes with one caveat: It's based on nonsense.

news - AUGUST 25 0

So you've brought the Internet of Things into your abode. Here's how to protect your home network and the devices connected to it.

news - AUGUST 25 7

It's 2011 all over again as the PlayStation Network and several other servers go offline in a DDoS attack claimed by multiple groups.

news - AUGUST 22 3

The government said the credit-card-stealing Backoff malware that hit UPS Stores had infected 'over 1,000 U.S. companies.'

news - AUGUST 22 6

Shocking news: electrical currents transmitted by touch can be used to surreptitiously crack computer encryption, researchers prove.

news - AUGUST 22 0

Blackphones, malware and free, secure file servers, oh my! It's the security episode of Give Me Tech!

news - AUGUST 21 7

Shared memory lets Android apps 'see' what others are doing and mount precision attacks to steal sensitive information.

news - AUGUST 21 15

The Windows Store is full of sleazy apps that could cost you money and system security, and Microsoft may have no solid plans to fix it.

news - AUGUST 21 0

What should you do if you're affected by the UPS data breach? Here's everything you need to know.

news - AUGUST 20 8

A number of Chrome browser extensions may be up to no good -- and researchers have found a way to detect them.

news - AUGUST 20 1

A strain of the infamous Reveton malware has some dangerous new skills, including stealing victims' email and banking passwords.

news - AUGUST 20 2

Due to recently implemented security protocols, a full 95 percent of emails from Facebook receive total encryption.

news - AUGUST 19 3

New banking apps recognize you not only by your password or PIN, but also by the way you type it.

news - AUGUST 19 12

Symantec cuts the consumer-antivirus clutter by reducing its Norton offerings to only one product.

news - AUGUST 18 2

4.5 million patient records were stolen from hospitals across the U.S., including names and SSNs. Here's what to do if you're affected.

news - AUGUST 18 7

One of Microsoft's August security patches has been recalled after it was caught giving users the blues ... blue screens of death, that is.

news - AUGUST 15 6

A fake Facebook video capitalizes on the tragic death of Robin Williams to make the scammers a few bucks. Don't click on it.

news - AUGUST 15 2

During Gamescom in Cologne, Germany, hackers compromised the Xbox and PlayStation Twitch channels and filled them with malicious slurs.

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