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Head-to-head · AI Agent Security Software

SentinelOne Prompt Security vs TrojAI Defend by A10 Networks

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score SentinelOne Prompt Security #5 in AI Agent Security Software 8.9/10 Pricing on request ✓ 5 of 5 features Visit SentinelOne
TrojAI Defend by A10 Networks #7 in AI Agent Security Software 8.6/10 Pricing on request ✓ 4 of 5 features Contact A10 Networks

SentinelOne Prompt Security leads on 1 check, TrojAI Defend by A10 Networks on 0, and 4 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreSentinelOne Prompt Security · 8.9/10
  • Most featuresSentinelOne Prompt Security · 5 of 5

SentinelOne Prompt Security scores higher on our rubric for ai agent security software: 8.9 against 8.6 out of 10; our editors rank them #5 and #7.

On deployment, TrojAI Defend by A10 Networks gives you Hybrid where SentinelOne Prompt Security offers Cloud. SentinelOne Prompt Security offers audit logs; TrojAI Defend by A10 Networks doesn't publish it.

SentinelOne Prompt Security is the better fit for organizations governing employee AI and agents. TrojAI Defend by A10 Networks is the better fit for enterprises protecting production AI agents at runtime.

  • SentinelOne Prompt Security fits best

    Organizations governing employee AI and agents

  • TrojAI Defend by A10 Networks fits best

    Enterprises protecting production AI agents at runtime

Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. How we rank.

Side by side

Feature SentinelOne Prompt Security 8.9/10 Visit ↗ TrojAI Defend by A10 Networks 8.6/10 Visit ↗
At a glance
Editor score 8.9 8.6
Ranking #5 in AI Agent Security Software #7 in AI Agent Security Software
Best for Organizations governing employee AI and agents Enterprises protecting production AI agents at runtime
Pricing model Paid Paid
Starting price Not published Not published
Free plan Not published Not published
Free trial — —
Deployment Cloud Cloud, Self-hosted
Support Docs Community, Docs
Integrations 3 integrations 3 integrations
Built for Mid-market, Enterprise Enterprise
Features SentinelOne Prompt Security 5/5 · TrojAI Defend by A10 Networks 4/5
Prompt-attack defense ✓ ✓
Sensitive-data controls ✓ ✓
Runtime monitoring ✓ ✓
Output safety filters ✓ ✓
Audit logs ✓ (best) Not published
Specs
Deployment Cloud Hybrid
Integration mode Not published Gateway
Our review
Pros
  • Finds sanctioned and unsanctioned AI tools across an organization
  • Enforces real-time policies and redacts sensitive information
  • Governs agents and MCP servers with searchable action audit logs
  • Blocks prompt injection and jailbreaks in real time
  • Masks sensitive data and filters toxic prompts and responses
  • Analyzes agent traces and integrates with SIEM, SOAR and ticketing
Cons
  • Pricing requires contacting sales
  • Verified integrations focus on GitHub Copilot, Claude Code, and Singularity
  • Its scope may exceed the needs of teams securing only one AI use case
  • Pricing requires contacting sales
  • Deployment requires a reverse-proxy architecture
  • Support channels are limited to community and documentation
Our verdict

SentinelOne Prompt Security is an AI security platform for organizations using employee AI tools, code assistants, custom applications, and autonomous agents. It brings discovery, policy controls, and application protections together for…

Read the review →

TrojAI Defend by A10 Networks is an AI application and agent firewall for enterprises protecting production AI systems. It analyzes model inputs and outputs at runtime, with controls for prompt injection, jailbreaks, sensitive-data leakage…

Read the review →
  1. SentinelOne Prompt SecurityAI Agent Security Software 8.9Pricing on request
  2. TrojAI Defend by A10 NetworksAI Agent Security Software 8.6Pricing on request

Strengths and trade-offs

  • SentinelOne Prompt Security — where it wins

    • Finds sanctioned and unsanctioned AI tools across an organization
    • Enforces real-time policies and redacts sensitive information
    • Governs agents and MCP servers with searchable action audit logs

    Where it doesn't

    • Pricing requires contacting sales
    • Verified integrations focus on GitHub Copilot, Claude Code, and Singularity
    • Its scope may exceed the needs of teams securing only one AI use case

  • TrojAI Defend by A10 Networks — where it wins

    • Blocks prompt injection and jailbreaks in real time
    • Masks sensitive data and filters toxic prompts and responses
    • Analyzes agent traces and integrates with SIEM, SOAR and ticketing

    Where it doesn't

    • Pricing requires contacting sales
    • Deployment requires a reverse-proxy architecture
    • Support channels are limited to community and documentation
  • SentinelOne Prompt Security8.9/10 · Pricing on request

    Enterprise AI security spanning employee tools, applications, code assistants, and agents.

    Visit SentinelOneFull verdict →
  • TrojAI Defend by A10 Networks8.6/10 · Pricing on request

    A gateway-based firewall for runtime agent protection, with cloud or self-hosted deployment.

    Contact A10 NetworksFull verdict →

More comparisons

All AI agent security software comparisons → · Full ranking →

Guides on AI agent security software

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update