Browser security for humans and AI agents.

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April 29, 2026

Menlo Security

Cybersecurity

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Browser security for humans and AI agents.

Agent Browser Security AI Security Cyber Threat Protection AI Agents Data Loss Prevention

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Overview

The Menlo Browser Security Platform is a comprehensive security solution designed to protect both human and AI end users from cyber threats. This platform is an industry-first that plays a vital role in ensuring secure browsing, making it particularly suitable for agentic enterprises where humans and AI agents interact via the browser to execute tasks.

It leverages AI-based adaptive DLP and agent security to provide secure access, data protection, and zero-day threat prevention, maintaining a secure environment for both human and silicon users.

It implements security inside the browser, the work location of both humans and AI agents, instead of the pipe or machine endpoint, which are the focus of conventional security solutions.

With controls for access, file, and data protection, it balances productivity and risk management, ensuring AI agents operate within secure frameworks.

It accommodates the dynamic requirements of enterprises with elastic cloud scale and delivers 'architectural immunity'. The platform's hybrid architecture combines local security controls with cloud-based protection.

It has Intelligent Local Controls for user interactions with trusted sites and web applications, and high-risk browsing activities are automatically routed to the Menlo Cloud for threat elimination.

This platform is also designed to help bridge the gap between AI agents and enterprise data, by securely connecting AI workflows to applications and data sources that lack modern APIs.

This is achieved while maintaining comprehensive session control and providing visibility into user interactions, thereby addressing security blind spots.

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Cybersecurity

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Menlo SecurityInitial

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Initial release

March 18, 2026

Initial release of Menlo Security.

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Pros and Cons

Pros

Secure browsing features

Agent security

Zero-day threat prevention

Implements security in-browser

Access, file, data protection

Balances productivity and risk

Accommodates dynamic enterprise needs

Elastic cloud scale

Offers architectural immunity

Hybrid architecture with cloud-based protection

Intelligent Local Controls

Automatic routing for high-risk browsing

Connects workflows to deficient APIs

Comprehensive session control

Provides visibility into interactions

Reduces security blind spots

Accommodates agentic enterprises

Adaptive to trusted sites and applications

Single control plane

Observability for consistent security

Prevents prompt injection, spoofing, credential theft

Disables LLM connections

Applies input restrictions

Supports legacy applications and data

Unified browser security

Tailored security policies

Immediate ROI from legacy infrastructure

Resolves 'Agentic Paradox'

Eliminates modernization debt

Preventing 'agentic data starvation'

Navigates through complex web UIs

Protects enterprise data from external LLMs

View 27 more pros

Cons

Limited to browser protection

Depends on cloud access

Potential latency issues

Requires modern browser support

Must trust third-party cloud

Lack of endpoint security

Excluded non-web applications

May ignore local threats

Reliance on elastic cloud scale

Unique hybrid architecture creates learning curve

View 5 more cons

Q&A

What is Menlo Browser Security Platform?

Menlo Browser Security Platform is a comprehensive security solution designed to protect human and AI end users from cyber threats. Its unique hybrid architecture combines local security controls with cloud-based protection, helping to maintain a secure environment.

How does the Menlo Security aid in secure browsing?

Menlo aids in secure browsing by implementing security measures directly inside the web browser, allowing both human and AI users to carry out their tasks securely. It accommodates dynamic enterprise needs with its elastic cloud scale and architectural immunity, offering a balance between productivity and risk management. It also automatically routes high-risk browsing activities to the Menlo Cloud for threat elimination.

What role does AI play in the Menlo Browser Security Platform?

AI plays a pivotal role in the Menlo Browser Security Platform. It employs an AI-based adaptive DLP mechanism and agent security to ensure secure access, data protection and predictable prevention of zero-day threats. Additionally, it can securely link AI workflows to applications and data sources that otherwise lack modern APIs.

What is AI Adaptive DLP?

AI Adaptive DLP, or Data Loss Prevention, is an AI-based system that Menlo uses to prevent the loss of data through unauthorized access or data breaches. It adapts to various threat landscapes and uses smart mechanisms to thwart attempts to siphon or corrupt data.

How does Menlo Browser Security Platform handle risk management?

Menlo handles risk management by striking a balance between productivity and security. It safeguards the work location - the browser - where both human and AI agents operate, rather than just securing the pipe or machine endpoint. It automatically routes high-risk browsing activities to the Menlo Cloud for threat elimination, thus mitigating browser-based threats.

What does 'architectural immunity' mean in the context of Menlo Security?

'Architectural immunity' in the context of Menlo Security refers to its capability to make the environment resistant to threats, not by merely responding to detected threats, but by structurally preventing them at the foundational level.

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What does the hybrid architecture of Menlo Security entail?

Menlo's hybrid architecture amounts to the symbiotic implementation of local security controls and cloud-based security measures. It has Intelligent Local Controls for user interactions with trusted sites and applications, while high-risk activities are instantly sent to the Menlo Cloud for risk mitigation.

How does Menlo Security handle high-risk browsing activities?

Menlo identifies and automatically routes high-risk browsing activities to the Menlo Cloud where these threats are effectively nullified. This approach provides an extra layer of security and prevents potential data breaches or cyber attacks.

Can Menlo Browser Security Platform help connect AI workflows to applications without modern APIs?

Yes, Menlo Browser Security Platform can securely connect AI workflows to applications and data sources that lack modern APIs. It does so while maintaining comprehensive session control and providing visibility into user interactions, thereby addressing security blind spots.

What is the role of Intelligent Local Controls?

Intelligent Local Controls is a feature of Menlo Security that manages user interactions with trusted sites and web applications. These controls act as a local security layer ensuring safe navigation and usage for users.

How does Menlo's security inside the browser differ from conventional security solutions focused on the pipe or machine endpoint?

Menlo installs security measures directly within the browser where the work takes place, be it for humans or AI agents. Conventional security solutions, on the other hand, focus on securing the transport layer (pipe) or device (machine endpoint). Menlo's unique approach allows it to control and secure where the actual work occurs, thus offering more effective and context-aware security.

What does it mean when Menlo Security accomodates the dynamic requirements of enterprises with elastic cloud scale?

Elastic cloud scale refers to the platform's ability to adjust to the varying demands and size of a business, specifically its need for security resources or capacity. Menlo Security is highly agile and capable of accommodating the dynamic requirements of enterprises, offering them scalable services while ensuring robust threat management.

How does Menlo deal with unprotected sensitive enterprise data?

Menlo addresses the threat of unprotected sensitive enterprise data by implementing rigorous access, file and data protection controls. It extends AI Agent Security to the browser agent, controlling and pre-filtering what can be accessed, thereby minimising the risk of data loss and malware uptake.

What is agent security and how does Menlo Security approach it?

Agent security pertains to securing AI agents that interact with the browser to perform tasks. Menlo ensures agent security through the Menlo Browser Security Platform by securing agent workflows and bridging the gap to enterprise data, making agents instantly safe and productive.

What is meant by 'session control' and how does Menlo Security provide it?

'Session control' refers to the process of monitoring and managing user interactions in a session. Menlo's framework provides comprehensive session control, which contributes to the visibility and overall command of user interactions, ensuring the sessions are secured.

What is Zero Day Threat Prevention and how is it addressed by Menlo Security?

Zero-Day Threat Prevention is a security measure to protect against unidentified threats that exploit unknown vulnerabilities in software or hardware. Menlo Security addresses Zero Day Threats by leveraging its AI-based adaptive system, providing a robust defense against such unpredictable threats.

What does it mean to have visibility into user interactions in regard to Menlo Security?

Having visibility into user interactions means being able to monitor and understand user activities and behaviours on the platform. This allows Menlo Security to identify potential threats or unusual patterns, thereby enabling proactive steps in preventing malicious activities.

What is the role of Menlo Cloud?

The Menlo Cloud is an integral part of Menlo Security's architecture, used to isolate and eliminate threats from high-risk browsing activities. It prevents potential cyber threats from escalating by instantly routing dangerous tasks to the cloud for secure handling, reducing the risk of attacks.

What is meant by secure access in the context of Menlo Security?

Secure access in the context of Menlo security means providing both human and AI end-users with a safe and secure browsing environment. It ensures that user interactions, data access, and transfers occur in a secured ecosystem thereby preventing unauthorised access and protecting essential data.

How does Menlo Security handle data loss prevention?

Data Loss Prevention (DLP) is a strategy to ensure that end-users do not send sensitive or critical information outside of the corporate network. Menlo Security handles DLP by using AI-based mechanisms, that adapt to various threat landscapes, to prevent data loss through unauthorized access or data breaches.

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