The best Internet security for your Windows PC

by Jake Doevan - -

According to Reviewed by Pro and other security firms, Internet security software is a must nowadays. Millions of malicious programs including Trojans, ransomware, spyware, adware, and others attempt to attack millions of users every day. Malware can add toolbars to your browser, hijack your homepage, send your data to advertisers and even more. Malware could be not only annoying but also could cause a security risk.

the best antivirus

What is more, Windows is the most popular and widely used operating systems, thus Windows is also the most targeted by cybercriminals. Even a single malware can create a disruption on your personal computer.
In order to protect your device, you have to have a reliable security software. This article will provide the information about the most popular security solutions for Windows.

Norton Security

Norton Security is an anti-malware program launched by the security provider Symantec. The company could be said to be one of the most experienced in the industry, it has been operating since 1982.

norton antivirus

In order to test the security software’s performance and how it copes with the threats, researchers at Reviewed by Pro[1] installed a multitude of virus samples and the installed the Norton Security app. The test was conducted for 30 days on a computer running Windows 10.

Reviewed by Pro came up with results that revealed the software’s advantages:

  • Firewall protection system identified and removed over 75% of the threats,
  • Proper tech support,
  • Free virus removal option,
  • Easy to use and good-looking user interface.

However, even though the results were better than average, researchers revealed some downsides too:

  • The virus detection and removal rates are average; the software only caught and removed 80% of all malware samples;
    High resource usage – during the full scan the system was slowed by 17%,
  • Real-time protection only detected half of the malware and rogue-ware.

The overall verdict, according to the researchers:

Norton Security software is a solution for those who want a professional program with a good firewall.

Avira Antivirus 

Avira Antivirus 2017 was established by Avira Inc, a Germany-based security company with over 30 years of experience.
Reviewed by Pro[2] revealed pros and cons of the security solution.

avira antivirus

The pros:

  • Doesn’t impact the PC performance. When the Avira carries out a full scan it uses only 3% of resources, so while Avira works you can browse the web, download files or do what you need without interruptions,
  • Great customer service,
  • Free virus removal by an Avira technician.

However, after the test, researchers revealed very average results:

  • Average malware detection rate. Avira left about 35% of the malicious software undetected. A full and updated version of the software managed to detect and remove 80% of the malicious samples,
  • Not many extra features,
  • Modern but difficult to use and understand the user interface.

The final verdict provided by Reviewed by Pro of the Avira security software:

All in all, we rate Avira Antivirus as quite a good program for the average PC user. It is a great application if you have a device that you want to keep running fast because Avira doesn’t take up many resources. 
Even though the app didn't remove all the adware, its virus database is being constantly updated and some reviewers describe it as one of the best on the market. And let's not forget the friendly customer support!


A security program used by 400 million computer owners that constitute about 40% of all Internet security software users worldwide. Avast was established in 1988 and has almost 30 years of experience in the industry.

avast antivirus

Avast protects your device from viruses, fake websites, hacker attacks and many more malicious programs.

Researchers at Reviewed by Pro[3] conducted a test in order to find out its advantages and disadvantages. The pros include:

  • Many useful features,
  • Fast 5 minutes lasting scanning process which does not disrupt the overall computer performance.
    Good virus detection rate,
  • However, in order to unlock all of the features, you have to purchase the full version. This was the only downside mentioned by the researchers.

Reviewed by Pro provides the final verdict of the software:

The program is one of the better ones out there. It has tons of useful features, and you can try it for free before purchasing the full version.

Windows Defender

Microsoft Defender also called Windows Defender Antivirus in Windows 10 Creators Update is a security system of Microsoft Windows. Windows Defender is built in Windows 8.1 and above and runs in the background.

windows defender antivirus

According to Reviewed by Pro[4] Windows Defender is a lightweight solution that does not impress with results.
It could be clearly stated that Microsoft is doing a better job with the new Windows Defender version, however, it is still a long way to go if they really want to compete with such brands as AVG, ESET NOD 32, Kaspersky, or Norton.

Windows Defender was tested by security experts for about a month and came out with these advantages:

  • Free, built-in program,
  • Doesn’t take up much system memory,
  • Doesn’t disturb users with tons of notifications.

However, the performance of antivirus was average:

  • Mediocre virus detection and removal,
  • Average Real-time protection,
  • Doesn’t have a lot of advanced features.

The main problem is the anti-virus and malware protection mechanism, which doesn’t give decent results. If you had an application with good results that works as smoothly and takes the same amount of RAM like Windows Defender does, we would definitely recommend using it. But at the moment, we recommend checking out other applications.

Kaspersky Anti-Virus

Kaspersky Anti-Virus was developed by the Kaspersky Company, founded and headquartered in Moscow, Russia. Kaspersky is probably one of the most popular security software providers that has 20 years of experience in the industry.

kaspersky antivirus

According to Researchers at Reviewed by Pro[5], Kaspersky Anti-Virus is:

A perfect choice for an advanced user who wants to keep the computer clean and well-functioning.

Kaspersky has a range of advantages over other antivirus software including:

  • Flawless real-time protection. A test, conducted by researchers at Reviewed by Pro, included thousands of malware samples and Kaspersky Anti-Virus real-time protection found an almost 100% rate of success,
  • Great anti-phishing mechanism. The security test’s results revealed that Kaspersky Anti-Virus Anti-Phishing feature detects malicious and dangerous websites, 
  • It doesn’t drain your operational system and slows down it by only 10% while scanning, 
  • Easy to operate user interface.

However, just like any other security software, it has downsides too:

  • A mediocre rate in removing existing viruses. The antivirus system used on a highly-infected PC wasn’t able to remove,
  • and block viruses. In addition, it started to crash,
  • Doesn’t have the recourses to rescue a highly-infected PC,
  • Technical customer support is not good enough.

About the author

Jake Doevan
Jake Doevan - Computer security guru

Jake Doe is a security expert and news editor of His major is Communication and Journalism, which he obtained from the Washington and Jefferson College.

Contact Jake Doevan
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