Compare software

Kaspersky Premium vs Microsoft Defender: catalog facts
Kaspersky PremiumMicrosoft Defender
Paid

Paid subscription licence, with trial versions available.

Paid

Included with a paid Microsoft 365 subscription, with a free trial available.

Windows, macOS, Browser extension Windows, macOS, Android, iOS
  • Top tier of an established consumer security range
  • Trial available before purchase
  • Manages security for several family members and devices from one dashboard
  • Dark web monitoring for more than 60 types of personal information
  • Paid subscription that must be renewed
  • Closed source
  • Requires a Microsoft account and a Microsoft 365 subscription
  • Closed source, with protection tied to Microsoft's cloud services
Downloadable app, Browser extension Downloadable app
Closed source Closed source
License: Proprietary License not stated
Not stated if an account is needed Account needed
Not stated if it works offline Not stated if it works offline

Checked September 24, 2026

Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.