Cisco Bolsters AI Agent Security With $400M Astrix Acquisition
Cisco Systems announced the acquisition agreement on Monday as part of efforts to secure non-human identities and credentials used by AI systems. Peter Bailey, general manager of Cisco’s security business, explained in an official post that Astrix specializes in protecting the API keys, OAuth tokens, and service accounts that power modern infrastructure.
Founded in 2021, Astrix Security has raised $85 million in total funding from investors including Menlo Ventures and Anthropic. The startup has appeared on multiple industry watchlists for emerging security companies.
Why AI Agent Credentials Matter Now
AI agents increasingly use the same identity credentials as human users and traditional systems to access corporate resources and execute tasks at scale. Bailey noted that these credentials are “the very credentials that AI agents are now using (and abusing) to gain access and execute work at scale.”
Unlike traditional identity threats, AI agents operate with different behavioral patterns and privilege requirements. Securing these non-human identities requires specialized detection and governance capabilities that mainstream identity platforms have not prioritized until recently.
What Astrix Brings to Cisco’s Portfolio
Astrix’s core capabilities center on three areas. Here is what the acquisition delivers:
- AI agent discovery and governance across enterprise environments
- Agentic access management to control agent privileges and permissions
- Threat detection and response systems designed for agent-based attacks
The Astrix technology will integrate into Cisco’s Identity Intelligence platform and extend across Cisco Secure Access and Duo Identity and Access Management offerings. This follows Cisco’s launch of Zero Trust Access for AI agents in late March at the RSA Conference.
Competitive Advantage Through Visibility
Cisco claims differentiation through cross-layer visibility spanning identity, network, application, and infrastructure layers. Bailey stated that Cisco’s approach goes beyond simple detection: “We don’t just know what an agent is, we understand how it behaves.”
This behavioral understanding enables real-time threat identification and response specific to agent patterns rather than human user models.
Earlier Valuation Reports
In April, The Information reported Cisco was in advanced talks to acquire Astrix for between $250 million and $350 million. The final valuation of approximately $400 million represents a premium over those earlier estimates.
What Remains Unclear
Cisco has not disclosed the exact purchase price or deal closing timeline. The company did not respond to requests for additional comment beyond Bailey’s announcement post.
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