Menlo Security Launches First Unified Browser Security Platform for Human and AI Agent Workforces
Menlo Security, the US-based browser security company, has announced the launch of the industry’s first unified browser security platform designed to protect both human users and AI agents. The platform is tailored for the emerging agent-driven enterprise, where autonomous AI agents are expected to outnumber human employees and the browser becomes a unified operating environment for both.
The new platform introduces a centralized control layer that enforces governance and prevents threats at machine speed across both human and non-human entities, delivered globally through Menlo’s flexible cloud infrastructure.
“The next billion web users won’t be human. This is not a future prediction—it’s already happening in modern enterprises,” said Bill Robbins, CEO of Menlo Security. “By embedding protection directly into the browser session, organizations can safely deploy AI agents at a scale and speed beyond human capability—without exposing systems to risks like prompt injection attacks or data exfiltration.”
Robbins warned that without such protection, a compromised AI agent could move laterally across enterprise systems, leak sensitive data, or execute fraudulent transactions at machine speed without human intervention.
A New Approach to Securing AI Agents
Menlo Security adopts a fundamentally different approach compared to traditional solutions. Rather than building external perimeters around AI agents, the platform embeds governance controls directly within agents from inception.
According to Michael D’Arezzo, Executive Director of Information Security, GRC at Wellstar Health System, this enables organizations to define guardrails, permissions, and operational limits, ensuring agents are secure by design and capable of supporting scalable AI strategies.
The launch follows a record financial year for Menlo Security, with annual recurring revenue (ARR) exceeding $140 million and net retention surpassing 120%. The company has also partnered with Google to deliver low-privilege remote access to applications and data via the browser for both humans and AI agents, reducing reliance on costly virtual desktop infrastructure (VDI) solutions.
Securing the Agentic Era
As enterprises increasingly deploy AI agents to automate complex workflows, these agents often operate through headless browsers or direct web protocols—bypassing traditional security frameworks.
Antonio Bovoso, Founder and Principal Partner at Consiro Advisory, noted:
“The enterprise workforce is undergoing a fundamental transformation. AI agents are now making decisions within enterprise systems, yet most security tools were never designed for such entities. The browser has become the critical control point where identity, intent, and action converge.”
Attackers are already exploiting this shift using invisible techniques such as prompt injection via documents and hidden data manipulation. For example, an AI agent processing an invoice may interpret concealed malicious instructions—such as white text on a white background—as legitimate commands, potentially redirecting payments to fraudulent accounts.
Key Platform Capabilities
Menlo’s Browser Security Platform addresses these risks through:
AI Agent Security: A defensive runtime environment that separates data from instructions, preventing malicious command execution and data leakage.
Universal Connectivity: Secure access to complex applications without APIs, enabling AI agents to safely interact with legacy systems.
Deterministic Visibility: Full forensic insight at the browser DOM and file level, ensuring real-time session transparency.
Least-Privilege Governance: Fine-grained controls that prevent unauthorized data access or lateral movement.
Architectural Immunity
The platform shifts the security control point directly into the browser session, creating what Menlo describes as “architectural immunity”—a state where hidden threats are neutralized before reaching AI workflows or human endpoints.
Ramin Farassat, Chief Product Officer at Menlo Security, said:
“AI agents represent a fundamental shift in enterprise computing. For the first time, security teams have a unified control point that applies the same policies to AI agents and human users—at machine speed, with full forensic visibility.”