Straiker Raises $64M Series A to Secure the Agentic Workforce

Straiker, a cybersecurity firm focused on securing AI agents in enterprise environments, has successfully raised $64 million in a Series A funding round. This round was led by Marathon Management Partners, with participation from Bain Capital Ventures, Lightspeed, Citi Ventures, Illuminate Financial, and Workday Ventures. With this latest funding, Straiker's total capital raised to date amounts to $85 million. The announcement was made on June 29, 2026, highlighting the growing importance of securing AI-driven technologies in the corporate landscape.

Founded in 2025, Straiker aims to address the unique security challenges posed by the rapid deployment of AI agents within enterprises. These agents, which are expected to proliferate dramatically—IDC forecasts over one billion AI agents in use by 2029—automate a wide range of tasks, from routine productivity functions to critical customer service operations. The company's platform offers a comprehensive solution that includes discovery of AI agents, adversarial testing to identify potential vulnerabilities, and runtime protection to monitor and mitigate threats in real time.

The strategic rationale behind Straiker's funding is underscored by the increasing reliance on AI agents in business operations and the corresponding need for robust security measures. As these agents gain access to sensitive data and systems, the risk of cyber threats escalates. Notably, a recent incident reported by Reuters highlighted how attackers manipulated an AI support agent, underscoring the vulnerabilities inherent in these technologies. Straiker's platform is designed to provide enterprises with the visibility and control necessary to manage these risks effectively.

The leadership team at Straiker brings significant expertise in cybersecurity and AI, with CEO Ankur Shah previously serving in a senior role at Palo Alto Networks and CTO Sreenath Kurupati having led AI security research at Akamai. Their combined experience positions Straiker to not only respond to current security challenges but also to anticipate future threats as AI technologies evolve. The addition of Gokul Rajaram from Marathon Management Partners to the Board of Directors further strengthens the company's governance and strategic direction.

The broader implications of this funding round reflect a growing recognition of the need for specialized security solutions tailored to the unique characteristics of AI agents. As enterprises increasingly integrate these autonomous systems into their operations, the demand for effective security measures will likely continue to rise. Straiker's innovative approach to agentic security positions it well to capitalize on this trend, potentially defining the future landscape of cybersecurity for AI-driven enterprises.