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Best Free Software for Protecting Your PC and Your Privacy

Want to make sure that your PC and all its files and data are kept safe, secure, and private--without breaking the bank to do it? It's not an impossible task--in fact, it's easy to do. We've rounded up ten free pieces of security software that do everything from protecting you against malware, to keeping you safe at WiFi Hot Spots, to encrypting your entire hard disk.

Rating & Price
Products
License: Free

Microsoft Microsoft Security Essentials

Microsoft's free utility fights viruses and other malware, and does a surprisingly good job of it.

Full Review - Rated: April 30, 2012
PCWorld Rating
License: Free

AnchorFree Hotspot Shield

Keep yourself safe at public hot spots--for free.

Full Review - Rated: April 20, 2012
PCWorld Rating
License: Free

Secunia Secunia PSI

Identify program security leaks and batten down the hatches with this free software.

Full Review - Rated: January 24, 2011
License: Free

Comodo Comodo Firewall (32-bit version)

Protect yourself against many Internet-borne threats.

Full Review - Rated: June 01, 2011
Prices from $60.00 License: Trial

AVAST Software avast! Internet Security

Complete protection including antispam, firewall, antispyware, antivirus and unique real time anti-rootkit.

Software Manufacturer Spybot Search & Destroy

This anti-spyware program is free, provides proactive protection, and is largely effective.

- Rated: July 21, 2011
License: Free

Comodo Comodo Firewall (64-bit version)

Protect yourself against many Internet-borne threats with this free firewall for PCs running 64-bit OSs.

Full Review - Rated: June 01, 2011
PCWorld Rating
License: Free

Dominik Reichl KeePass (2.x)

KeePass is a free, open source, light-weight and easy-to-use password manager.

Full Review - Rated: July 19, 2011
PCWorld Rating
License: Free

Daniel C. Howe, Helen Nissenbaum TrackMeNot

Protect yourself against data profiling with this free Firefox add-on.

Full Review - Rated: July 14, 2011
PCWorld Rating
License: Free

CyberGhost CyberGhost VPN Free

Protect yourself online with a free VPN.

Full Review - Rated: August 31, 2011
License: Free

Daniel C. Howe, Helen Nissenbaum TrackMeNot for Chrome

Protect yourself against data profiling with this free Google Chrome extension.

Full Review - Rated: July 20, 2011
PCWorld Rating
License: Free

EFF and the Tor Project HTTPS Everywhere

Protect yourself from hackers at popular Web sites such as Facebook.

Full Review - Rated: November 24, 2010
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