Securing your computer

1: AVG Anti-virus Free Edition

Without doubt, AVG is probably the most popular, free, antivirus software. It protects your system against both viruses and spyware. Initially, the free version of AVG was stable and effective. As the Dark Side advances, AVG has fallen behind a bit, but, it is still a good product if you combine it with other products (specifically, #2 and #3). Don’t depend solely on AVG.

2: Malwarebytes

Malwarebytes fights malware — programs designed with malicious intent. Unfortunately, there’s no way to uninstall malware once it’s installed, because it doesn’t show up in the Control Panel. In addition, these files usually install helper programs that re-download then reinstall the malware if you delete it. Malware includes viruses, worms, rootkits, spyware, and trojans. As these products evolve, they are harder to detect and remove. Malwarebytes is one of the best programs, free or not, for detecting and removing malware.

3: Spybot – Search & Destroy

Spyware tracks your Internet usage to create a marketing profile that is then sold, without your knowledge, to advertising companies. If you notice a new toolbar in your browser, most likely you’re being tracked by spyware. Sometimes, these programs hijack your browser homepage, forcing you to browse the Internet through their system. Although spyware isn’t inherently destructive, it usually affects performance. If your system suddenly slows down, chances are you’ve been infected. Spybot – Search & Destroy detects and removes spyware, which isn’t covered by many other anti-malware applications.

Note: A combination of #1, #2, and #3 provides adequate protection for most single-user systems. They’re easy to use and don’t require special technical knowledge.

4: WOT

Within the context of the market, WOT is a fairly new offering that adds security, via an add-in, for your browser. It will keep your system safe from online scams, identity, theft, spyware, spam, viruses, and suspect commerce sites. As WOT encounters suspect sites, it alerts you. Of course, you decide whether to continue or not, but at least you go into the transaction forewarned.

5: WinPatrol

WinPatrol is a robust security monitor that alerts you to hijackings, malware attacks, and changes made to your system without your permission. Traditional security programs scan your hard drive, searching for specific threats. WinPatrol uses a heuristic (discovery) behavior to detect attacks and violations by taking snapshots of critical resources and alerting you to changes.

6: Secunia Personal Software Inspector

Most of us have at least one insecure program installed, which puts our systems at risk. Secunia Personal Software Inspector (SPI) scans your PC for insecure programs. It also keeps you informed of updates and patches for your installed programs.

7: Sysinternals Security Utilities

This free utility from Microsoft performs a number of important security functions:

* Lets you know who has access to files, Registry keys, and other Windows services.
* Finds programs configured to run on startup.
* Uses command-line utilities to list processes running on local or remote systems.
* Scans system for rootkits.
* Offers a Department of Defense-compliant secure delete program.

8: Wireshark

System administrators will appreciate Wireshark, a network protocol analyzer. Security features include, among other things:

* Live capture and offline analysis.
* Display filters.
* Rich VoIP analysis.
* Decryption support for many protocols.

9: Nmap

Nmap is a network-mapping utility for network exploration and security auditing. Uses for Nmap include:

* Determining what hosts are available.
* Determining what services hosts are offering.
* Determining what operating systems are running.
* Determining the type of packet filters and firewalls in use.

10: Online scans

If you suspect your system has been infected and your current tools aren’t able to deal with it, try one of the following free online scan services:

* Ewido Online Scanner
* X-Block Free Scanner
* Trend Micro Online Scanner
* F-Secure Online Scanner

In addition, you can test your firewall at ShieldsUP.

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About John Karanja

John Karanja is the Founder of Whive.com which is a Mobile and Web social media platform where people interact using different forms of media. Whive.com has over 120,000 members across East Africa and was a Winner at the Pivot 25 Mobile Technology Competition in 2011. John is also a Co-Founder of Crowdpesa.com a Location Based mobile application which provides a market place for African Merchants and Businesses. Crowdpesa has been listed as one of the 40 startups to watch in Africa and appeared at the first DEMO Africa in 2012. John has a Masters degree in Political Sociology from the University of Oxford, England and a Bachelor of Business and Information Technology from Strathmore University, Kenya. John has been awarded the Vision2030 ICT Award 2011 for Innovation in Youth and Gender Sector by the Kenyan Government. He is also the First African Winner of the Nokia Open Screen Fund in 2009 as well as a nominee for the Tech4Africa Innovation Award 2011.