Best ways to prevention of computer virus attack

Computer virus is a software program that can spread from one computer to another computer or one network to another network without the user’s knowledge and causing potential harm to a computer’s data, files and hard drive. In this post we will discuss the best tips for prevention of computer virus attack and other malicious attacks.

Prevention of computer virus attack

Computer viruses are disguised as different ways such as hyperlinks, pop-ups or email attachments of images, audio or video files. However, the best ways for prevention of computer virus attack are as follows:

1.Use antivirus software

Antivirus software is a program that helps to prevent computer threats such as viruses, hackers, and different types of malware threats. It scans every file which comes through the Internet, USB devices or external hard disk to your computer and helps to protect your computer from virus attack.

  • If you using Windows 7, then you can download Microsoft Security Essentials and
  • If you using Windows 8 or Windows 10, then you have Windows Security  or Windows Defender Security Center already installed on your computer.

Antivirus used for prevention of computer virus attack

2. Ensure anti-virus software is up to date

Everyday new versions of computer viruses are being released and it is essential that your computer is protected from viruses by keeping the anti-virus software up to date.


The best way to keep antivirus software up to date is to buy and install a reputable antivirus which is subscription-based program.

3. Regular scan your computer

Regularly scanning your computer with an antivirus software is one of the easiest and best ways to prevention of computer virus attack and removing infections.

When you installed an anti-virus software, you should scan your entire computer periodically. If the anti-virus software has the ability to automatically scan files or directories so, enable this feature with suitable time interval.


It is better to completing a full scan every two weeks or a single full scan per month is usually enough. A full scan takes several hours, depending on how much data you have in your computer.

4. Keeping your web browser up to date

Keeping your web browser up to date is very important for protection of computer virus attack and ensuring that web pages are load properly. Out of date web browsers can have serious security problems such as viruses, Trojans horse, spyware, adware, and other sorts of malware.

Tips: How to up to date
A. Steps for update Firefox browser
  • First, click the menu button, and click Help –> about Firefox.
  • Click on About Firefox and a window will open.
  • Then Firefox will begin checking for updates and downloading automatically.
  • Click Restart to update Firefox, when the download is complete.

B. To update Google Chrome:

  • First open Google Chrome browser
  • At the upper-right corner of the screen looks at more.
  • And then Click Update Google Chrome.
  • If you don’t see this button, then you are on the latest version
  • Click Relaunch.

Update Web Browser for prevention of computer virus attack

5. Keep your software up to date

You have to ensure that your all used software’s are updated such as from anti-virus software, customized software and computer operating systems. The main reason for using the latest version software is to stay protected from virus attack and security threats.

Old version software may have some bug or vulnerabilities in code and when a new version of software is released, the version usually includes fixes for those types of security vulnerabilities.


Manual software updates is a time-consuming process, so it is better to use automatic software updates for as many software as possible.

6. Don’t click on suspicious email links

One of the biggest sources of malware or virus is suspicious emails, called spam. In that case, you will receive an unwanted email from unknown source which seems suspicious or phishing e-mail message. A suspicious e-mail that may contains a virus or malware script to redirect you to a vulnerable website to hack your information.

  • If you think your incoming email is suspicious then you can direct phone call to sender to confirm as he sends the mail.
  • In addition to simply deleting the email and it is better do not click on that type of email.

7. Up to Date operating system and security patch

Cyber security expert recommend that update your computer operating system on a regular basis with the latest security patches in order to protect from computer virus attack and malware. It will ensure that your computer is up-to-date and free from viruses and other cyber threats.

  • Open Windows Update by clicking the Start button > click control panel > system and security > and clicking Windows Update.
  • In the left pane, click Check for updates, and then wait while Windows looks for the latest updates for your computer.
  • If any updates are found, then click Install updates.

8. Never download software from unreliable sites

Cyber expert also recommended that downloading the software and apps from trusted sources but our common habit is that, we are downloading free software from unknown unreliable sites.


So, don’t download the software, apps and other content from unknown site and without verifying their legitimacy because these sites may contain virus or malware which will infect your computer.

Never download software from unreliable sites to prevent form virus attack

9. Don’t browse untrusted websites

Don’t visit untrusted websites because the untrusted websites may contains virus and others types of malware. So, if you want to protect your computer from virus and malware attack then avoid to browse untrusted websites.


A trusted websites is secure by SSL (Secure Socket Layer) certificate. In URL, it will starts with https:// such as:

10. Regularly back up your important files

A data backup is a process copying or archiving important data files and documents for the purpose of being able to restore data in case of data loss event.

It is the easiest way to recover your data files from backup storage when data has been lost by any virus or cyber-attack. A data backup is a secondary storage of data which is used for data protection.


You can take regular data back-up manually or automatically by archiving important documents to an external hard drive, or using Drop box or using Google drive and your suitable place.

11. Do not download untrusted email attachments

Sometimes you will receive an email from unknown sender address which seems suspicious e-mail with an attachment file. The attachment file may contain virus or malware script, if you download and open the file then virus will execute and infect to your computer.


So, it is better never download the untrusted email attachments to prevent from virus attack or any others security threats.

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