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Head-to-head · Business Antivirus Software

Microsoft Defender for Business vs Kaspersky Endpoint Security for Business

  • Updated Oct 2026
  • Both researched from official sources
  • 2 checks side by side
Higher score Microsoft Defender for Business #1 in Business Antivirus Software 9.3/10 30-day trial Free trial✓ 1 of 5 features Visit Microsoft

Microsoft Defender for Business leads on 0 checks, Kaspersky Endpoint Security for Business on 0, and 2 are even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreMicrosoft Defender for Business · 9.3/10
  • Free trialonly Microsoft Defender for Business
  • Most featuresMicrosoft Defender for Business · 1 of 5

Microsoft Defender for Business scores higher on our rubric for business antivirus software: 9.3 against 8.6 out of 10; our editors rank them #1 and #6.

Microsoft Defender for Business is the better fit for small businesses wanting broad protection at low cost. Kaspersky Endpoint Security for Business is the better fit for large organizations needing hybrid security controls.

  • Microsoft Defender for Business fits best

    Small businesses wanting broad protection at low cost

  • Kaspersky Endpoint Security for Business fits best

    Large organizations needing hybrid security controls

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Microsoft Defender for Business 9.3/10 Visit ↗ Kaspersky Endpoint Security for Business 8.6/10 Visit ↗
At a glance
Editor score 9.3 8.6
Ranking #1 in Business Antivirus Software #6 in Business Antivirus Software
Best for Small businesses wanting broad protection at low cost Large organizations needing hybrid security controls
Pricing model Paid Paid
Starting price $3/user/mo Pricing on request
Free plan — Not checked yet
Free trial 30 days —
Deployment Cloud, Mobile Cloud, Self-hosted
Platforms Web, Windows, macOS, iOS, Android Windows, macOS, Linux, iOS, Android, Web
Support Docs Docs
Integrations 4 integrations 8 integrations
Built for Small business, Mid-market Small business, Mid-market, Enterprise
Features Microsoft Defender for Business 1/5 · Kaspersky Endpoint Security for Business 0/5
Central management console Not checked yet Not checked yet
Behavior monitoring Not checked yet Not checked yet
Ransomware protection ✓ (best) Not checked yet
Real-time protection Not checked yet Not checked yet
Web protection Not checked yet Not checked yet
Specs
Supported platforms Windows, macOS, iOS, Android Windows, Windows Server, Linux, macOS, Android, iOS
Device limit 5 devices Not checked yet
Our review
Pros
  • Antivirus, ransomware protection, EDR, and automated remediation
  • Vulnerability management and attack-surface reduction rules
  • Windows, macOS, iOS, and Android coverage with Microsoft integrations
  • Protects endpoints with malware, ransomware and exploit defenses
  • Combines vulnerability assessment, patching, encryption and device controls
  • Supports cloud, web and on-premises management with broad integrations
Cons
  • Annual billing applies to the $3 per-user monthly price
  • Standalone support is limited to businesses with up to 300 users
  • No free plan is available
  • Pricing requires contact with sales
  • Subscription availability is handled through local partners
  • Its broad control set may be more than smaller teams need
Our verdict

Microsoft Defender for Business is an endpoint security product for small and medium-sized businesses with up to 300 users. It combines next-generation antivirus, ransomware protection, endpoint detection and response, vulnerability…

Read the review →

Kaspersky Endpoint Security for Business is a centrally managed endpoint security platform for organizations with Windows, Windows Server, Linux, macOS, Android and iOS environments. It combines threat prevention, behavior detection,…

Read the review →
  1. Microsoft Defender for BusinessBusiness Antivirus Software 9.330-day trial
  2. Kaspersky Endpoint Security for BusinessBusiness Antivirus Software 8.6Pricing on request

Strengths and trade-offs

  • Microsoft Defender for Business — where it wins

    • Antivirus, ransomware protection, EDR, and automated remediation
    • Vulnerability management and attack-surface reduction rules
    • Windows, macOS, iOS, and Android coverage with Microsoft integrations

    Where it doesn't

    • Annual billing applies to the $3 per-user monthly price
    • Standalone support is limited to businesses with up to 300 users
    • No free plan is available
  • Kaspersky Endpoint Security for Business — where it wins

    • Protects endpoints with malware, ransomware and exploit defenses
    • Combines vulnerability assessment, patching, encryption and device controls
    • Supports cloud, web and on-premises management with broad integrations

    Where it doesn't

    • Pricing requires contact with sales
    • Subscription availability is handled through local partners
    • Its broad control set may be more than smaller teams need
  • Microsoft Defender for Business9.3/10 · 30-day trial

    A paid endpoint security suite with strong coverage for small businesses.

    Visit MicrosoftFull verdict →
  • Kaspersky Endpoint Security for Business8.6/10 · Pricing on request

    A hybrid endpoint security platform for organizations managing diverse devices and servers.

    Visit KasperskyFull verdict →

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update