
Understanding antivirus software involves recognizing it as a program designed to detect, prevent, and remove malicious software such as viruses, worms, and trojans from computers and devices. It works by scanning files and programs for known threats, monitoring system behavior for suspicious activity, and providing real-time protection. Regular updates ensure it can defend against the latest malware. Antivirus software is essential for maintaining system security and protecting sensitive data from cyber threats.

Understanding antivirus software involves recognizing it as a program designed to detect, prevent, and remove malicious software such as viruses, worms, and trojans from computers and devices. It works by scanning files and programs for known threats, monitoring system behavior for suspicious activity, and providing real-time protection. Regular updates ensure it can defend against the latest malware. Antivirus software is essential for maintaining system security and protecting sensitive data from cyber threats.
What is antivirus software?
A program designed to detect, prevent, and remove malicious software (like viruses, worms, and trojans) from computers and devices by scanning files and monitoring system activity for threats.
How does antivirus software detect threats?
It uses a database of malware signatures and heuristic/behavioral analysis to identify known and suspicious threats, then blocks, quarantines, or removes them.
What does real-time protection do?
Real-time protection continuously monitors for suspicious activity and blocks threats as they try to run, including during downloads, email attachments, and web activity.
Do I still need to be careful even with antivirus?
Yes. Antivirus helps, but it's not foolproof. Practice safe browsing, keep software updated, and back up important data.
How often should I update definitions and run scans?
Keep virus definitions updated automatically and perform regular full-system scans to catch threats that slip past real-time protection.