Side by side
Comodo Internet Security vs Microsoft Defender Antivirus
Both stand on antivirus software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan AndroidExtensioniPhone+1
Comodo Internet Security pairs core protection with isolated browsing and application use. Check the listed Windows-version limits before choosing it for an older PC.
Visit Comodo Internet Security Free plan Windows
Microsoft Defender Antivirus covers core antivirus needs on supported Windows PCs without requiring a paid plan. Microsoft 365 plans add stated people, device, and cloud-storage allowances, but the product does not list parental controls or password management.
Visit Microsoft Defender AntivirusThe facts
| Comodo Internet Security | Microsoft Defender Antivirus | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | No | Not published |
| Runs on | Android, Extension, iPhone, Windows | Windows |
| Lowest paid plan | Comodo Internet Security Premium: $29.99 a year | Free or on request |
| Plans published | 7 | 8 |
| Maker | Comodo Internet Security | Microsoft Defender Antivirus |
| Website | comodo.com | microsoft.com |
| On antivirus software | #10 of 120 | #14 of 120 |
Comodo Internet Security: what it does well
- Auto Sandbox isolates unknown files
- Firewall controls inbound and outbound connections
- Secure Shopping blocks keylogging and screen capture
- Custom block lists available for website filtering
What to know first
- Windows only
- Versions 12.0.0.6882 and later do not support XP or Vista
Microsoft Defender Antivirus: what it does well
- Free plan available
- Real-time, always-on protection
- Ransomware protection included
- Windows Security integration
- Supports Windows 10 and 11
What to know first
- No parental controls
- No password manager
- Windows platform only
Alternatives to Comodo Internet Security Alternatives to Microsoft Defender Antivirus The whole list