The age-old debate continues: is macOS truly safer than Windows, and do you really need antivirus on a Mac? In 2026, with Mac malware increasing by over 400% annually and macOS facing sophisticated nation-state threats, the answer is clear: both platforms need antivirus, and the threats are more similar than ever.

macOS Security Landscape 2026

macOS has strong built-in protections: Gatekeeper (app signing), XProtect (silent malware scanning), System Integrity Protection (SIP), and FileVault encryption. However, these protections are not foolproof. Mac-specific malware strains have grown from dozens in 2015 to over 1 million in 2026.

Windows Security Landscape 2026

Windows 11 includes Windows Security (formerly Windows Defender) with comprehensive antivirus, firewall, and device security. Microsoft Defender has improved dramatically and now scores alongside the best premium products in independent lab tests.

Threat Comparison

• Windows: 350+ million malware variants targeting Windows annually. Massive attack surface due to market dominance.
• macOS: 1 million+ Mac-specific malware variants. Growing due to increased market share and enterprise Mac adoption.

Verdict

Both platforms benefit from dedicated antivirus in 2026. For Windows, Microsoft Defender is now excellent and free. For Mac, Intego or Bitdefender Antivirus for Mac provides the best Mac-native protection. The days of “Macs don’t get viruses” are definitively over.