购买指南 5 分钟· 更新于 2026-10-16
2026 最佳杀毒软件：Bitdefender vs Kaspersky vs Norton 及其他
检测率、系统占用，以及每个套件实际包含什么 — 诚实的对比。
Antivirus marketing is noise — what matters is detection rate, system slowdown, and what the "Total Security" tier actually adds over basic AV. Here is the field as it stands.
| Suite | Strengths | Weakness |
|---|---|---|
| Bitdefender Total Security | Top detection, light system impact, feature-packed | VPN data capped on lower tiers |
| Kaspersky Plus/Premium | Excellent detection engine, good price | Availability/regulatory concerns in some countries |
| Norton 360 Deluxe | Solid all-rounder, includes VPN + dark web monitor | Heavy upsell prompts in-app |
| ESET NOD32/Internet Security | Lightest footprint, favored by techs | Fewer extras than suites |
| Malwarebytes Premium | Best cleanup/companion tool, great zero-day catching | Weakest standalone firewall/web features |
| McAfee Total Protection | Unlimited devices on family plans | Heaviest resource usage of the group |
Our picks
- •Best overall → Bitdefender Total Security
- •Lightest on resources → ESET
- •Best family deal → Norton 360 Deluxe / McAfee
- •Cleanup companion alongside Defender → Malwarebytes
License note
Check device count before buying — "3 devices" vs "5 devices" vs unlimited changes real value more than brand choice. Our listings state device counts in the product name.