What’s the role of antivirus software in cybersecurity?

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Supervised and Unsupervised Learning are two primary types of machine learning, differing mainly in how they process and learn from data.

Antivirus software plays the role of a digital security guard in cybersecurity—it detects, blocks, and removes malicious software (malware) before it can harm your system or steal your data.

Key functions include:

1. Malware detection – Identifies viruses, worms, trojans, ransomware, spyware, and other malicious programs using signature databases and behavioral analysis.

2. Real-time protection – Continuously monitors files, apps, downloads, and running processes to block threats before they execute.

3. Quarantine & removal – Isolates suspicious files so they can’t spread, and safely deletes confirmed threats.

4. Web protection – Blocks access to malicious websites, phishing pages, or infected downloads.

5. Email scanning – Checks attachments and links in emails for malware.

6. System scanning – Allows full, quick, or custom scans to check for infections on demand.

Why it matters:

• Stops common and known threats before they cause damage.

• Reduces the risk of data theft, ransomware, and system compromise.

• Acts as a first line of defense while working alongside firewalls, operating system updates, and good user habits.

That said, antivirus isn’t a magic shield—it can’t stop every new or sophisticated attack. It’s most effective when combined with:

• Regular software updates

• Strong passwords

• Safe browsing habits

• Network security tools (like firewalls and VPNs)

If you want, I can give you a clear diagram showing how antivirus fits into a layered security strategy so it’s easier to visualize.

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