Straiker
straiker.ai
Actively hiring
AI Governance & Compliance
Penetration Testing
AI Safety & Alignment
Cybersecurity AI
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Financials
Funding and backers
Total raised
$85M
2 rounds on record
Latest round
$64M
Series A · Jun 2026 · 3 mo ago
Team
21
US Form 5500 (plan participants) · Dec 2025 · +75% in a year
Backers
3
Illuminate Financial, Lightspeed Venture Partners
The money's age
Fresh money
3 months since the last round · not hiring
Momentum
35/100
in the news, fresh money
Last sign of life
this month
a posting or a news item
The story so fareach stage dated by its source: the company's releases, the press, registers, filings
Jun 28
Raised a round Series A $64M · BnkInfoSecurity
2025
Team of 21 was 12 · US Form 5500 (plan participants)
Oct 30, 2025
Recognition Straiker Recognized as a Fortune Cyber 60 Company for Second Consecutive Year · YahooFinance
Aug 5, 2025
Launched Straiker Introduces Industry's First Attack and Defense Agents to Secure Enterprise Agentic AI Applications · marketwatch.com
Apr 1, 2025
Raised a round Venture round $21M · Pulse 2.0
2024
Founded
Tractionpublic signals, read monthly
Web presence
top 0.78%
of 133.2M domains by links, Common Crawl
Hacker News stories
1
best: 3 points
Funding rounds
| Round | Date | Amount | Investors | Source |
|---|---|---|---|---|
| Series A | Jun 2026 | $64M | — | BnkInfoSecurity |
| Venture round | Apr 2025 | $21M | — | Pulse 2.0 |
Backed byfrom the funds' portfolios and accelerator catalogs
Illuminate Financial 
Lightspeed Venture Partners 
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Overview
Straiker provides security testing and runtime guardrails for enterprise artificial intelligence applications and autonomous agents. Founded in 2024 in Silicon Valley by former Palo Alto Networks and Symantec leaders, it combines offensive testing with inline defence. Its research team publishes work on novel agent attack techniques.
News
Straiker Named an OpenAI Select Partner
/PRNewswire/ -- Straiker, The Agentic Security Company, today announced that it has been named an OpenAI Select Partner within the OpenAI Partner Network. The...
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New Straiker Research: 36% of Successful AI Coding Agent Attacks End in Remote Code Execution
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AI-Powered Cyberattacks: Understanding The Less Obvious Part
To understand how to defend the modern enterprise, it's necessary to identify the three primary forces affecting the threat environment:
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Straiker raises $64M to secure enterprise AI agents
Agentic security startup Straiker has raised a $64M Series A led by Marathon to discover, test and protect the AI agents flooding into enterprises.
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Straiker lands $64M to defend enterprise AI agents from attack
Straiker lands $64M to defend enterprise AI agents from attack - SiliconANGLE
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Straiker Raises $64 Million Series A To Secure Enterprise AI Agents
Straiker announced that it has raised $64 million in Series A funding to secure enterprise AI agents. The round was led by Marathon Management Partners, Citi Ventures, Illuminate Financial, and Workday Ventures, with continued support from Bain Capital Ve
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Straiker Raises $64M to Safeguard Autonomous AI Agents
AI security startup Straiker closed a $64 million Series A funding round to expand GPU infrastructure, develop specialized security models and strengthen defenses
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How To Build A Company To Withstand The SaaS Apocalypse
When everyone has intelligence, intelligence stops being the moat. Context becomes the moat.
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Cybersecurity Tasks That Shouldn't Fall Solely On Security Teams
When accountability is clear and distributed across leadership, operations and technical teams, organizations are better positioned to reduce risk and bottlenecks.
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Offices
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1
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Sunnyvale
United States
HQ
157 S Murphy Ave, Sunnyvale, CA, 94086, United States
Mountain View
United States
Regional office
Contact us
321 Castro Street, Mountain View, CA 94041