Proofpoint Insider Threat Management vs Microsoft Defender for Business

Proofpoint Insider Threat Management9.2Visit Microsoft Defender for Business7.9Visit

Higher score Proofpoint Insider Threat Management #2 in Insider Threat Management 9.2/10 Pricing on request ✓ 0 of 3 features Visit Proofpoint

vs

Microsoft Defender for Business #8 in Insider Threat Management 7.9/10 30-day trial Free trial✓ 0 of 3 features Visit Microsoft

• Proofpoint Insider Threat Management fits best

  Mid-market and enterprise security teams

• Microsoft Defender for Business fits best

  Small businesses focused on endpoint security

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Side by side

Feature	Proofpoint Insider Threat Management 9.2/10 Visit ↗	Microsoft Defender for Business 7.9/10 Visit ↗
At a glance
Editor score	9.2	7.9
Ranking	#2 in Insider Threat Management	#8 in Insider Threat Management
Best for	Mid-market and enterprise security teams	Small businesses focused on endpoint security
Pricing model	Paid	Paid
Starting price	Pricing on request	$3/user/mo
Free plan	—	—
Free trial	—	30 days
Deployment	Cloud	Cloud, Mobile
Support	Tickets, Docs	Docs
Integrations	7 integrations	4 integrations
Built for	Mid-market, Enterprise	Small business, Mid-market
Features Proofpoint Insider Threat Management 0/3 · Microsoft Defender for Business 0/3
User behavior analytics	Not checked yet	Not checked yet
Risk scoring	Not checked yet	Not checked yet
Investigation workflows	Not checked yet	Not checked yet
Specs
Data source coverage	Not checked yet	Not checked yet
Response actions	Not checked yet	Not checked yet
Event retention	Not checked yet	Not checked yet
Our review
Pros	Monitors activity across endpoints, browsers, cloud, email, and GenAI tools Combines adaptive risk monitoring with timeline investigations and evidence capture Can block risky transfers and coach users through dynamic policy enforcement	Combines antivirus, ransomware protection, and endpoint detection and response. Automates investigation and remediation, including attack disruption for ransomware. Covers Windows, macOS, iOS, and Android, with centralized device management.
Cons	Pricing requires contacting sales Cloud deployment only Support channels are limited to tickets and documentation	Focuses on endpoint security, not insider-risk monitoring or user scoring. Annual billing; the listed price is per user per month. A credit card is required for the 30-day free trial.
Our verdict	Proofpoint Insider Threat Management is a cloud service for security teams that need to identify, investigate, and mitigate insider risk across employees and contractors. It brings together user activity, behavior, identity, data movement,… Read the review →	Microsoft Defender for Business is an endpoint security subscription for small and medium-sized businesses, with support for up to 300 users. It is aimed at organizations seeking protection and management for Windows, macOS, iOS, and… Read the review →

Strengths and trade-offs

• Proofpoint Insider Threat Management — where it wins

  • Monitors activity across endpoints, browsers, cloud, email, and GenAI tools
  • Combines adaptive risk monitoring with timeline investigations and evidence capture
  • Can block risky transfers and coach users through dynamic policy enforcement

  Where it doesn't

  • Pricing requires contacting sales
  • Cloud deployment only
  • Support channels are limited to tickets and documentation

• Microsoft Defender for Business — where it wins

  • Combines antivirus, ransomware protection, and endpoint detection and response.
  • Automates investigation and remediation, including attack disruption for ransomware.
  • Covers Windows, macOS, iOS, and Android, with centralized device management.

  Where it doesn't

  • Focuses on endpoint security, not insider-risk monitoring or user scoring.
  • Annual billing; the listed price is per user per month.
  • A credit card is required for the 30-day free trial.

• Proofpoint Insider Threat Management9.2/10 · Pricing on request

  Cross-channel monitoring and intervention for teams managing insider risk.

  Visit ProofpointFull verdict →
• Microsoft Defender for Business7.9/10 · 30-day trial

  Endpoint protection for small businesses, rather than a dedicated insider-risk tool.

  Visit MicrosoftFull verdict →