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1- Windows – YES, You Need an Antivirus
Windows is the most targeted OS
because of its massive user base. Fortunately, Windows Defender (Microsoft
Defender) is built-in and does a decent job.
Why you need it:
- Most malware and ransomware target Windows.
- Many users install unverified software.
- Phishing and browser-based threats are common.
Recommended Antivirus:
- Windows Defender (built-in & free) – Good enough for most users.
- Malwarebytes (free/paid) – Great for extra malware scanning.
- Bitdefender/Kaspersky/Norton – Paid options with advanced protection.
2- Linux – Generally NO, But Sometimes YES
Linux is much more secure by design,
but not invincible.
✅ When you might need an antivirus:
- Running a file server (to prevent Windows
malware from spreading).
- You download and share files with Windows users.
- You install software from untrusted third-party
sources.
🛡 Recommended Antivirus (if
needed):
- ClamAV (free & open-source) – Good for scanning files and emails.
- ESET NOD32 for Linux
– A premium option for extra protection.
3-Mac – Not Really, But Maybe
Macs have built-in security features
like XProtect and Gatekeeper, but they are still vulnerable to adware,
trojans, and phishing.
✅ When you might need an antivirus:
- If you download pirated software (a huge risk
for Mac malware).
- If you install apps from outside the App Store.
- If you share files with Windows users and want
to avoid spreading malware.
🛡 Recommended Antivirus (if
needed):
- Malwarebytes for Mac (free/paid) – Best for removing adware.
- Bitdefender or Intego
– Good if you want extra security.
Final Verdict: Do You Need an Antivirus?
- Windows
– ✅ Yes, at least Windows Defender.
- Linux
– ❌ No for personal use, but maybe for servers.
- Mac – 🚫
Not mandatory, but good for extra protection.
If you browse safely, don’t download shady
software, and keep your OS updated, you’re already more secure than 90% of
users. But if you’re careless, an antivirus can save your system!