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1. Comodo Free Firewall and AntiVirus software work together to keep your PC safe from malicious software and Hackers. Comodo Internet Security includes many new features and services, including Comodo Secure DNS, Comodo HopSurf and the ability to specify alternative URLs for program and virus updates.

2. Internet Security™ 2010 Stops online identity theft, viruses, spyware, bots and more  – Guards your PC, online activities, and your identity against all types of Internet threats. Stops attacks before they get on your PC – Proactively blocks hackers and prevents dangerous software from downloading to your computer when you surf the web. Delivers clear threat and performance explanations  – Gives you greater insight into downloaded applications and files by telling you where they came from, if they can be trusted, and how they may impact your PC's resources and performance. Identifies unsafe web sites right in your search results  – Warns you of dangerous web sites and suspicious sellers so you can surf and shop online with confidence. Uses intelligence-driven Norton Insight Network for faster, fewer, shorter scans – Detects and eliminates dangerous software with the shortest scan times of any security product.

3. PC Tools Firewall Plus is a powerful free personal firewall for Windows® that protects your computer by preventing unauthorized users from gaining access to your computer through the Internet or a network. By monitoring applications that connect to the network Firewall Plus can stop Trojans, backdoors, keyloggers and other malware from damaging your computer and stealing your private information.

4. Trend Micro Internet Security Surf the web with confidence With easy-to-use security features, Trend Micro Internet Security protects your personal information when you email or surf the web: Defends your personal information with anti-spyware technology Powerful anti-spyware technology guards your personal information and privacy against spyware, rootkits, and other malicious software. Safeguards against attacks with a personal firewall Prevent your computer from exchanging data without your approval and defend against attacks from the Internet. Prevents unauthorized changes Improved security policies find and stop unwanted attempts to change your operating system and critical software. Offers customizable security warnings Decide how often you want to receive warnings about security threats. Safeguards Multiple Computers Install Trend Micro Internet Security on up to three PCs per household. Protects against web threats Steer clear of online phishing scams that try to steal your credit card or bank account numbers. Continuous updates identify the newest risky websites. Secure Web surfing Find and block malicious or untrustworthy hyperlinks in email, websites, or instant messages. Blocks image spam Stop seeing spam that tries to evade filters by delivering images instead of just text. Device Access Control Automatically prevent suspicious software on USB devices from opening. Enhanced Parental Controls Take charge of when and where your children go on the Internet. Block websites with inappropriate content, prevent access at specific times, and even stop them from entering personal information onto web pages. Home Network Map See the computers and other devices connected to your network at a glance, manage the security of other computers remotely, and block wireless home network intruders from accessing yours. Security Activity Dashboard Get a comprehensive and customizable snapshot of all the security activities on your computer through easy-to-use charts and graphs. State Aware Work on your presentations, watch movies, or play games without security updates or scans getting in the way.

5. ZoneAlarm program access is controlled by way of "zones", into which all network connections are divided. The "trusted zone" generally includes the user's local area network and can share resources such as files and printers, while the "Internet zone" includes everything not in the trusted zone. The user can specify which "permissions" (trusted zone client, trusted zone server, Internet zone client, Internet zone server) to give to a program before it attempts to access the Internet (e.g. before running it for the first time) or, alternatively, ZoneAlarm will ask the user to give the program permission on its first access attempt. Windows 7 is also supported in the latest version (2010)

6. Outpost Security Suite Pro provides the first line of defense against malicious software by proactively controlling how programs behave and interact on a PC and preventing security breaches. The Host Protection module proactively monitors for and blocks sophisticated hacking techniques used to compromise or steal data. By analyzing threats and displaying actionable alerts, Internet security suite blocks zero-day attacks and other unauthorized activities, providing advanced protection against botnets, rootkits and inadvertent data disclosure.

7. Lavasoft Personal Firewall provides the critical protection you need to keep your PC safe from unauthorized access. It is the ultimate security shield against hackers, keyloggers, Trojans and other malicious attempts to access data on your PC, while remaining simple, and easy to use.

8. avast!  Internet Security Active internet users need greater protection for themselves as they shop and bank on-line. To secure against threats from infected web sites and the growing risk of identity theft, avast Internet security provides you with continuous protection from its layers of antivirus, anti-spyware, anti-rootkit protection, firewall and antispam.

9. Online Armor Firewall Our free version provides great security for those on a tight budget. The premium edition expands this protection with automatic updates and our unique "Banking Mode" to protect you when banking online - and our top of the line Online Armor ++ includes powerful Antivirus and Antispyware capabilities.

10. Ashampoo FireWall FREE gives you solid basic protection but if you want the full functionality of a modern firewall you need Ashampoo FireWall PRO. The Pro version includes all the strong features of the regular version – monitoring of incoming and outgoing Internet traffic, one-click protection and more – but it also gives you a whole range of powerful additional features.