What is a Computer Virus?
A computer virus is a malicious software that when activated, can replicate itself by copying its own source code or by modifying other computer programs.
Computer viruses exist in many forms, can affect all computer users all over the world and have different purposes.
A virus can harm your PC in different ways. Following are some of the harmful acts a virus can perform on your computer:
- Damage your files
- Access your personal data
- Slow down your PC
- Make discs illegible
- Make copies of yourself
- Entering your e-mail address and password
- Corrupt or delete your dataUse your computer to attack other computers
How does a virus spread?
Viruses are transmitted through emails, web pages, computer networks and digital media such as iPods, USB sticks and even CDs. A virus can spread to millions of computers in less than 24 hours.
Do I need to be worry about viruses?
Many viruses are very hard to detect. In fact, in many cases, you may not even know you have one. Spyware and malware are very good at disguising themselves which makes them serious threats. Many viruses today have evolved to a point where they are able to disable large networks. They can gain access and spread unnoticed and disable any security measures that they may block them. In this way, these viruses continue to go unnoticed for a while and spread rapidly. To make things worse, they can even block or redirect outbound web searches for virus removal methods, preventing users from visiting antivirus websites even if you eventually suspect a virus infection on your computers.
With the increase in widespread use of technology, the dangers posed by viruses, spyware or malware are expected to increase exponentially.
It is estimated that over 60,000 computer viruses, adware, spyware and malware are created and released into the wild every day. Unethical hackers create more complex viruses every day that can affect your system when you visit fraudulent sites or download corrupted files.
A computer without anti-virus software can be infected within minutes of connecting to the Internet. And as mentioned above, you can even get infected simply by using a peer-to-peer sharing program, opening an e-mail attachment, or sharing music with someone else via a USB flash drive or even a CD.
So, if you’re wondering if you need anti-virus software, even if you do not upload, share files and you are careful on the Internet, the answer is YES.
What is antivirus software?
Anti-virus software is a program that is helps protect your computer from threats that can make your computer virus-infected. There are several different companies that offer anti-virus software and at the core, they all fulfil the same basic function, which is to prevent, search, detect and remove viruses, worms, spyware, malware, adware, rootkits, botnets, Trojans and other unwanted threats.
Antivirus protection is important but just as important is that it is kept up to date, i.e. with the latest virus definitions. Anti-virus software companies update their detection tools and virus definitions every day to protect their users from new threats. Your antivirus software must be scheduled for daily updates to protect against potential threats.
No matter how you use your computer or laptop, you still need proactive protection to protect your computer against malware. You must make sure that you have a reliable, up-to-date antivirus software to protect your computers, laptops, tablets and smartphones from virus attacks.
How does Antivirus protect your system?
As mentioned above, cyber crime is growing day by day. Your computer can get infected by simply visiting a fake or hacked site or by clicking on a malicious email attachment.
Following are some features of anti-virus software that pro-actively protect your system:
- Real-time protection: Scan your system quickly to detect and remove infected files or programs, actively remove detected malware, allow you to schedule computer scans
- Detect virus attached to downloads: Analyse all files before downloading to determine the potential threat
- Ensuring banking security: Secure online transactions by blocking malware by trying to log what you type on the keyboard
- Scan the hard disk of the computer: Scan the hard drive to ensure all applications and data are virus-free
- Scan a removable media: Scan USB flash drives and other removable media connected to the system
A lot of viruses being developed every day has made the Internet a risky place to surf. This is why it is necessary to install antivirus software to protect your PC, laptop and other devices. Make sure you have the best and most reliable security software installed to protect your systems.
Is Installing Anti-Virus Software Enough?
You must put in place security measures to ensure that you and your staff are using the Internet safely. Online security should be included in your business planning, especially in your risk assessment.
Here are some security tips that every business owner and manager must be mindful of during risk assessment and business planning:
- Install anti-virus software and regularly update systems to reduce the risk of virus infection on your computer
- Enable automatic updates so that all software receives the latest fixes
- Choose a strong password and change it at least twice a year
- Stop and think before clicking on links or attachments
- Stop and think before sharing any personal or financial information – about yourself, your friends or your family