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Here are the two common cyber threats that IT personnel encounter in businesses on a regular basis are:
- Viruses and worms
What is Viruses and worms ?
Viruses and worms are malicious software programs (malware) aimed at destroying an organization's systems, data and network. A computer virus is a malicious code that replicates by copying itself to another program, system or host file. It remains dormant until someone knowingly or inadvertently activates it, spreading the infection without the knowledge or permission of a user or system administration.
A computer worm is a self-replicating program that doesn't have to copy itself to a host program or require human interaction to spread. Its main function is to infect other computers while remaining active on the infected system. Worms often spread using parts of an operating system that are automatic and invisible to the user. Once a worm enters a system, it immediately starts replicating itself, infecting computers and networks that aren't adequately protected.
Preventing viruses and worms
To reduce the risk of these types of information security threats caused by viruses or worms, companies should install antivirus and antimalware software on all their systems and networked devices and keep that software up to date. In addition, organizations must train users not to download attachments or click on links in emails from unknown senders and to avoid downloading free software from untrusted websites. Users should also be very cautious when they use P2P file sharing services and they shouldn't click on ads, particularly ads from unfamiliar brands and websites.
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