Riverbank provides AI-native red teaming and offensive security services, founded by a team with ex-NSA and DoD backgrounds. The company blends AI agents with experienced human operators to conduct penetration testing, targeting the multibillion-dollar pentesting market. Its approach aims to scale offensive security expertise with automation. Riverbank was part of Y Combinator's Summer 2025 batch and is based in Boston.
Riverbank
ActiveAI-native Red Teaming and Offensive Security
Total raised
$500K
1 round
Stage
Seed
Jan 2025
Team
1-10
since 2025
Pricing
—
Founded
2025
Boston, United States
Agent-ready
—
AI-native red teaming and offensive security services
Combination of AI agents with experienced human operators
Penetration testing across target systems
Team with ex-NSA and DoD backgrounds
Automation to scale offensive security expertise
Focus on the broader penetration testing market
Human oversight on automated findings
Adversarial testing to surface real-world exploitable weaknesses
12/100
Early
MCP server
Public API
Webhooks
OAuth 2.0
SDKs
No public agent surfaces detected yet.
Jan 2025 Seed $500K ● Y Combinator
Capital network
$500K raised ·1 backer·10 network links
- Backers1
- Shared portfoliocompanies these backers also fund
- Extended networkfunds that co-invest alongside them
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- What does Riverbank do?
- Riverbank provides AI-native red teaming and offensive security services, combining AI agents with experienced human operators to conduct penetration testing.
- Who founded Riverbank?
- It was founded by a team with ex-NSA and DoD backgrounds, and was part of Y Combinator's Summer 2025 batch, based in Boston.
- How is it different from automated scanners?
- Riverbank pairs AI agents with human operators, aiming to scale offensive security expertise rather than relying solely on automated scanning.
- What market does Riverbank target?
- It targets the penetration testing market, applying automation to make expert offensive security work more scalable.
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