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Head-to-head · User Threat Prevention Software

Microsoft Defender for Business vs Authentic8 Silo

  • Updated Oct 2026
  • Both researched from official sources
  • 1 check side by side
Higher score Microsoft Defender for Business #6 in User Threat Prevention Software 7.9/10 30-day trial Free trial✓ 0 of 5 features Visit Microsoft
Authentic8 Silo #8 in User Threat Prevention Software 7.8/10 30-day trial Free trial✓ 0 of 5 features Try Authentic8 Silo

Microsoft Defender for Business leads on 0 checks, Authentic8 Silo on 0, and 1 is even. Who comes out ahead on the 1 yes/no, price and count check where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreMicrosoft Defender for Business · 7.9/10
  • Free trialboth

Microsoft Defender for Business scores higher on our rubric for user threat prevention software: 7.9 against 7.8 out of 10; our editors rank them #6 and #8.

Microsoft Defender for Business is the better fit for small businesses seeking endpoint protection. Authentic8 Silo is the better fit for enterprises needing isolated, controlled browsing.

  • Microsoft Defender for Business fits best

    Small businesses seeking endpoint protection

  • Authentic8 Silo fits best

    Enterprises needing isolated, controlled browsing

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Side by side

Feature Microsoft Defender for Business 7.9/10 Visit ↗ Authentic8 Silo 7.8/10 Visit ↗
At a glance
Editor score 7.9 7.8
Ranking #6 in User Threat Prevention Software #8 in User Threat Prevention Software
Best for Small businesses seeking endpoint protection Enterprises needing isolated, controlled browsing
Pricing model Paid Paid
Starting price $3/user/mo $1,450/user/yr
Free plan — —
Free trial 30 days 30 days
Free trial length 30 days · card required 30 days
Deployment Cloud, Mobile Cloud
Platforms Web, Windows, macOS, iOS, Android Web
Support Docs Tickets, Docs
Integrations 4 integrations 7 integrations
Built for Small business, Mid-market Mid-market, Enterprise
Features Microsoft Defender for Business 0/5 · Authentic8 Silo 0/5
Phishing simulations Not checked yet Not checked yet
Browser isolation Not checked yet Not checked yet
Attachment sandboxing Not checked yet Not checked yet
User report button Not checked yet Not checked yet
Automated remediation Not checked yet Not checked yet
Specs
Protected channels Not checked yet Not checked yet
Our review
Pros
  • Combines antivirus, EDR, and ransomware attack disruption.
  • Automates investigation and remediation of detected issues.
  • Covers Windows, macOS, iOS, and Android devices.
  • Runs web code in a cloud environment away from endpoints and networks.
  • Combines malware scanning, file-transfer controls and built-in DLP.
  • Records sessions and provides encrypted audit logs and chain-of-custody records.
Cons
  • The $3 per-user monthly price requires annual billing.
  • The 30-day trial requires a payment card.
  • Its focus is device security, not broader user-threat channels.
  • Annual plans start at $1,450 per user, making entry costly.
  • The offering focuses on web browsing rather than broader threat prevention.
  • The Trial plan has limited egress nodes.
Our verdict

Microsoft Defender for Business provides endpoint security for small and medium-sized businesses, with support for up to 300 users and five devices per user. Its protection spans Windows, macOS, iOS, and Android, making it a fit for…

Read the review →

For teams handling risky web access or investigations, Authentic8 Silo runs web code in an isolated cloud environment, keeping browsing activity and content away from endpoints and networks. Its stated audience includes government,…

Read the review →
  1. Microsoft Defender for BusinessUser Threat Prevention Software 7.930-day trial
  2. Authentic8 SiloUser Threat Prevention Software 7.830-day trial

Strengths and trade-offs

  • Microsoft Defender for Business — where it wins

    • Combines antivirus, EDR, and ransomware attack disruption.
    • Automates investigation and remediation of detected issues.
    • Covers Windows, macOS, iOS, and Android devices.

    Where it doesn't

    • The $3 per-user monthly price requires annual billing.
    • The 30-day trial requires a payment card.
    • Its focus is device security, not broader user-threat channels.
  • Authentic8 Silo — where it wins

    • Runs web code in a cloud environment away from endpoints and networks.
    • Combines malware scanning, file-transfer controls and built-in DLP.
    • Records sessions and provides encrypted audit logs and chain-of-custody records.

    Where it doesn't

    • Annual plans start at $1,450 per user, making entry costly.
    • The offering focuses on web browsing rather than broader threat prevention.
    • The Trial plan has limited egress nodes.

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update