Automated, self-replicating programs have been around as long as data-crunching machines have been in existence. While initially these programs were thought experiments, that changed in the early 1980s when programs intent on damaging Apple DOS 3.3 files and folders. Today, protecting against these attack vectors is a persistent and constant need for businesses and individuals.
What Is a Computer Virus?
A computer virus is a software program intended to do damage to systems and computers. ‘Computer virus’ is an umbrella term for a range of malicious software (malware). There are generally four types:
How Does a Computer Virus Work?
Viruses are so effective because they’re hard to detect. They can lay dormant for long periods of time before activating. They are often disguised as legitimate-looking attachments or links from familiar contacts. But when you click on a link, file or executable program, you have set in motion events that can range from annoying to disastrous.
Different virus types target different system components, including:
What Can a Computer Virus Do?
Once activated, the virus replicates rapidly, sometimes within a single machine and other times by spreading to other networked endpoints. They may also generate emails to your contacts that end up spreading the virus to other computers, companies and systems. It’s why many well-known viruses end up affecting hundreds or thousands of businesses.
How Can I Protect My Business from Computer Viruses?
Business network security must include automated anti-virus programs that identify and block known senders, websites and attachments. These programs need to be automatically updated to address emerging threats immediately. At LAN Infotech, we help businesses with comprehensive security assessments and solutions that protect and monitor your users and data. For a free initial consultation, contact us today.