Straiker, a company specializing in securing autonomous AI agents, has successfully closed a $64 million Series A funding round. This new investment, led by Marathon Management Partners, brings the company's total capital raised to $85 million. The funding underscores the growing urgency for robust security solutions as enterprises increasingly deploy AI agents across their operations.
The Proliferation of AI Agents
A new digital workforce of autonomous AI agents is emerging to automate a wide range of enterprise tasks. These agents handle everything from simple productivity to complex, mission-critical workflows in customer service and back-office operations. IDC forecasts over one billion such agents will be deployed by 2029, a forty-fold increase from 2025.
Unprecedented Security Challenges
Unlike traditional software, AI agents act independently, creating security risks that conventional controls cannot manage. Their autonomy introduces vulnerabilities that can be exploited without breaching core systems, as seen in a recent incident with Meta's AI support agent. This event, where thousands of accounts were hijacked, highlights the severity of this emerging threat.
Research from Straiker's STAR Labs quantifies these risks through adversarial testing, revealing significant vulnerabilities. Findings showed 91% of attacks on productivity agents led to silent data exfiltration without malware or stolen credentials. Furthermore, 36% of attacks on coding agents resulted in remote code execution, showing potential for major system compromise.
A Purpose-Built Security Platform
Straiker was founded by a team with deep experience in cybersecurity and AI to address these unique challenges. CEO Ankur Shah previously managed Palo Alto Networks' Prisma Cloud business, while CTO Sreenath Kurupati led AI research at Akamai. Their platform offers a comprehensive solution for managing risks as agents access sensitive corporate systems.
The company's platform integrates three core capabilities: discovery of AI agents, pre-deployment adversarial testing, and real-time runtime protection. A shared intelligence layer enhances this system, using production threat data to inform testing and testing insights to harden runtime defenses. This feedback loop ensures protections evolve with emerging attack techniques monitored through Straiker's work with AI labs.
Strong Market Validation and Growth
The round was led by Marathon Management Partners, whose founding partner, Gokul Rajaram, will join Straiker's board. Rajaram emphasized the need for a purpose-built solution, noting that AI agents must be treated as first-class citizens given their autonomy. This investor confidence is mirrored by the company's rapid growth and adoption by Fortune 500 enterprises.
Since its launch in 2025, Straiker has experienced remarkable traction, growing its run-rate revenue by more than 15 times in under a year. This growth reflects an accelerating market demand for security frameworks designed specifically for autonomous systems. The company has established itself as a trusted partner for both frontier AI labs and large enterprises.
Fueling Future Innovation and Expansion
The new capital will accelerate product development and expand the capabilities of its STAR Labs threat research division. CEO Ankur Shah noted that customer demand is outpacing forecasts, driving the need for immediate investment. The funding will also support the company's global expansion plans to meet the needs of its enterprise customers.
Straiker's successful $64 million funding round marks a significant milestone for the company and the broader agentic security market. As enterprises continue to integrate autonomous AI agents into their core processes, the need for specialized security measures becomes paramount. With its experienced leadership, innovative platform, and strong market validation, Straiker is well-positioned to define the security standards for this new era of enterprise AI.