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Push Security

Browser security platform that uses a browser extension, telemetry, and autonomous AI agents to stop attacks, secure AI use, and harden identities.

pushsecurity.comGBWebsite ↗1 solution
Headquarters
Boston, GB
Team
51–200
Stage
Series B
Rounds
3
Investors
10

Push Security provides browser security for the AI era via an enterprise browser extension. It combines browser telemetry, real-time control, and autonomous agents to stop attacks, secure AI, harden identities, and prevent data loss. It inspects page structure, scripts, and user interaction in the browser session to detect and block in-browser threats such as phishing kits, AiTM, token theft, and session hijacking.

What it does

  • Detects and blocks in-browser threats in real time, including phishing kits, token theft, session hijacking, and adversary-in-the-middle attacks
  • Inspects page structure, content, scripts, and user interaction to spot cloned logins, malicious scripts, and credential misuse as the user sees them
  • Reconstructs user/session timelines from page loads, click paths, credential use, and token activity to reveal attacker behavior, blast radius, and OAuth exposure
  • Flags missing MFA, password reuse, non-SSO logins, shadow apps, and risky extensions, then guides users to remediate or enforces policy in the browser
  • Secures AI use by showing real user activity inside AI tools—what is typed, pasted, uploaded, and authorized—including shadow AI apps, agent access, and extensions
  • Uses autonomous AI agents for hypothesis development, threat hunting, analysis, and detection engineering against browser-based attacks
  • Deploys as a single extension across popular browsers, including AI and enterprise browsers, with no migration required
  • Captures trillions of browser events with a privacy-preserving architecture to support threat hunting and detection tuning

What sets it apart

  • Behavioral detection targets page mechanics rather than static indicators, catching novel techniques on freshly registered or trusted compromised domains
  • In-tab visibility into page structure, scripts, and user interaction, unlike network/proxy-based tools that see traffic but not what users see
  • Autonomous AI agents trained on Push's internal knowledge base and detection libraries for continuous hunting and detection engineering
  • Complements existing stacks—EDR, SSE, SWG, CASB, CNAPP, ITDR, email, SIEM—by securing the browser session layer
  • Works across all popular browsers, including AI and enterprise browsers, without requiring migration to a single enterprise browser platform
  • Privacy-preserving telemetry architecture capturing trillions of browser events

Products

Push Security PlatformAI-native browser security delivered as a single browser extension that provides real-time attack blocking, session investigation timelines, identity hardening, and AI usage controls, powered by autonomous detection agents.

Company data

Momentum56
Growth outlook96%

Push Security is a security platform. It uses browser telemetry, real-time control, and autonomous agents. It detects and averts attacks.

Investors

Google Ventures investment in Series B - Push SecurityB3 Capital investment in Series B - Push SecurityDecibel Partners investment in Series B - Push SecurityRedpoint investment in Series B - Push SecurityDatadog Ventures investment in Series B - Push SecurityGoogle Ventures investment in Series A - Push SecurityJonathan Oberheide investment in Series A - Push SecurityDecibel Partners investment in Series A - Push SecurityDug Song investment in Series A - Push SecurityRich Waldron investment in Series A - Push Security

Adjacent companies

LayerXAllure Security TechnologyIsland TechnologyNetskopeZscalerSeraphic SecurityMenlo SecurityAkamaiCloudflareProofpoint
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