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Malware Explained

7 min read

Malware comes in many forms. Understanding them helps you protect your systems and data.

Viruses

• Attach themselves to legitimate files
• Spread when infected files are shared
• Can corrupt or delete data
• Prevention: Antivirus, avoid suspicious downloads

Worms

• Self-replicating malware
• Spread across networks automatically
• Can cause widespread damage
• Prevention: Firewalls, network security

Ransomware

• Encrypts files and demands payment
• Often spreads through phishing emails
• Prevention: Backups, avoid suspicious attachments

Trojans

Disguise as legitimate software

Trick users into installing them

Can create backdoors for attackers

Prevention: Verify software sources

Conclusion

Avoid suspicious downloads, keep software updated, and use antivirus to protect against malware.