Word: virus
Definition:
A computer program that replicates itself and infects systems without user knowledge, spreading to other computers.
Sample Sentence:
The email attachment contained a virus that quickly spread through the company’s network.
Why It Matters:
Viruses can compromise data integrity and disrupt business operations.
Quick Tip:
Use updated antivirus software and avoid opening suspicious email attachments.
Source: https://niccs.cisa.gov/resources/glossary
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