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A good security software should be an essential part of any operating system. There are many sophisticated and unpredictable dangers lurking online and relying solely on a good judgment is often not enough.

Unfortunately, many security suites for PC consume a lot of resources and can make your computer feel very unresponsive. This is why we have chosen the top 3 fastest security software for your PC.



Avira is an antivirus software created by a German antivirus software company called Avira Operations which was founded in 1986. More than 100 million customers make Avira the sixth largest antivirus vendor.

Avira Free Antivirus gives you a solid protection against all known threats that you may encounter on your PC. It uses an advanced real-time cloud-scanning functionality that enables this antivirus to offer a fast and reliable protection against zero-day threats. When Avira detects a suspicious file it immediately sends its digital fingerprint to the cloud to check it again database. The file is then market either as infected or as safe and this information is then sent back to the computer from where it came. This gives the installed software enough information to take the best action against any threat.

Not only does Avira protect your from malware including viruses, adware, spyware, Trojans, rootkits and worms – it also blocks hidden application that often come bundled with legitimate software and can cause slowdowns to your computer. Additionally, Avira prevents ad networks from monitoring what you do online, blocks harmful websites before they load and can even save you some money when shopping online thanks to Avira price comparison. If you do not care about this extra functionality then you can easily disable it as you wish.

AV-Test regularly gives Avira a perfect score both in terms of protection but also in terms of its performance and usability.

Malwarebytes Anti-Malware


Malwarebytes Anti-Malware was first released in January 2008 by Malwarebytes Corporation. This corporation is based in the Silicon Valley area of California and specializes in security for computers, smartphones, and companies.

Their free version operates slightly differently from most free antivirus software like the previously mentioned Avira. It is a so-called on-demand antivirus which means that the software scans for malware only when manually asked to do so. You have to upgrade to a paid version to enjoy automatic scans with real-time protection. This could be seen as a huge negative, but it actually makes the free version of Malwarebytes somewhat special since it is perfect as a secondary antivirus to guarantee maximum protection and security.

Malwarebytes Anti-Malware Free is able to protect you against all malware and rootkits. If you desire more functionality like real-time active malware prevention, heuristic protection, malicious website protection, and automatically scheduled scanning, then you have to upgrade to a Premium version. It will cost you $24.95 for 1 year and up to 3 different PC which is usually plenty to cover all family computers.

Microsoft Security Essentials


Microsoft Security Essentials (also known as MSE) is an antivirus software developed by Microsoft and initially released in 2009. It is available for free for Windows users and offers a real-time protection that constantly monitors every activity and actively looks for potential threats and harmful software and files.

MSE is best known for its blazing fast speed and easy to understand user interface and, of course, a great integration with Windows operation system. This antivirus was initially praised for its surprisingly high ability when it comes to the detection of malware, but this score has been slowly declining and many security experts do not recommend Microsoft Security Essentials as the only protection for your PC.

If you are, however, mainly concerned with speed even at the cost of the slight decrease in security, then this antivirus still remains a solid choice. With some good habits and possibly also coupled with an on-demand antivirus like Malwarebytes Anti-Malware, MSE is a nice full featured solution. When run on Windows 7, this antivirus requires just 1 GHz processor and 1 GB of RAM.