Microsoft Defender Antivirus vs Kaspersky Premium
A side-by-side look at protection, performance, price, and features for Microsoft Defender Antivirus and Kaspersky Premium.
| Microsoft Defender Antivirus | Kaspersky Premium | |
|---|---|---|
| Overall score | 7.6/10 | 9.5/10 |
| Protection rate | 97% | 99% |
| Performance impact | 99% | 97% |
| Price | Free (built into Windows) | $21.99/yr (Kaspersky Standard, 3 devices) |
| Platforms | Windows | Windows, Mac, Android, iOS |
| Best for | Home | Home, Business |
| Free plan | ✓ | ✓ |
| Real-time protection | ✓ | ✓ |
| VPN included | – | ✓ |
| Password manager | – | ✓ |
| Support | Microsoft support documentation and community forums | 24/7 live chat and email |