Antivirus software also known as anti-malware is a computer program which can be used for prevention, detection and removal of malware from the system. The modern antivirus software can protect the system from harmful browser helper objects, browser hijackers, key loggers, back doors, fraud tools and spyware among other. There are different techniques by which the antivirus software identifies malware. Some of which are-
• Sandbox detection
• Data mining technique
• Signature based detection
• Root kit detection
People nowadays think that antivirus software is only useful and necessary for those who use the windows irresponsibly. But, the fact remains, no matter how careful the user is, antivirus software will still be needed to provide an extra layer of protection to your system. It is a common myth that the system gets corrupted with malware only by downloading suspicious files, or visiting sketchy websites. Although, these certainly are the top reasons for malware, but they are not the only reason. The computer can be affected by virus just by the fact that a user has visited a website. Even the trustworthy and legitimate websites have been seen to be compromised due to advertisers or other vulnerabilities.
Reason Antivirus Software is Needed?
• Computer Performance
The performance of a PC or laptop can be seriously affected if it gets affected by a virus. The virus can destroy the precious hard drive space and block important programs. It can also deny internet connection. The system becomes almost impossible to use and takes hours to complete a basic tasks.
The installation of Antivirus software can prevent unwanted entry into the system and even block the virus from affecting it.
• Misuse of Personal Data and Identify Theft
Cybercrime has become the fastest growing illegal activity around the globe. If efficient anti-virus protection is not provided, it can allow malicious software to enter your system and allow third party to view your personal data while reading email, sharing documents or checking bank accounts.
Some of the malware these days can be even record the input entered, into the computer via the keywords providing an easy access to hacker to log into your personal accounts.
• Hard Drive Issues
The serious malware can completely wipe off a hard drive and make the computer useless, leading to toss of both personal and business related data. More importantly, nowadays viruses are even capable of editing the data from the hard drive without the knowledge of the owner.
Most of the hackers nowadays use viruses to gain access behind firewalls to perform illegal activities from someone else’s IP address. This is different from identify theft, as it only aims towards gaining entry into the computer to perform illegal downloads, send junk mail or even use the system to store pirated movies.
All the risk factors can be eliminated if a user decides to pay for anti-virus software since the benefits outweigh the disadvantages considerably.