Menlo Security
Mountain View, US · 10 known investors
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Menlo Security provides a browser security platform that protects both human users and AI agents through a hybrid architecture combining local security controls with cloud-based threat protection. The platform addresses zero-trust access, data protection, and agentic AI security for enterprises.
Founders & leadership
Investors · 10
How we know: the VCSheet dataset · open dataset · 5k.vc investor directory · Not right? Tell us
How we know: Engineering Capital's portfolio page · Not right? Tell us
How we know: securityweek.com · open dataset · 5k.vc investor directory · Not right? Tell us
How we know: OUP (Osage University Partners)'s portfolio page · a partner's Signal profile · Not right? Tell us
How we know: Vista Equity Partners's portfolio page · securityweek.com · Not right? Tell us
How we know: WillowTree Ventures's portfolio page · Not right? Tell us
Funding
SEC filings, press & company announcements$100M disclosed across 1 of 3 rounds · 2017–2020
- $100MSeries ENov 2020 · 2 sources
Vista Equity Partners (lead), General Catalyst, JP Morgan, Neuberger Berman
Source ↗ - Undisclosed amountSeries DJul 2019Source ↗
- Undisclosed amountSeries CDec 2017Source ↗
Source: company announcements and press reports — follow each round's link for the claim.
Founder mafia
The Menlo Security mafia →6 people who came through Menlo Security went on to found or lead other companies.
Frequently asked questions
- What does Menlo Security do?
- Menlo Security provides a browser security platform that protects both human users and AI agents through a hybrid architecture combining local security controls with cloud-based threat protection. The platform addresses zero-trust access, data protection, and agentic AI security for enterprises.
- Who founded Menlo Security?
- Menlo Security was founded by Amir Ben-Efraim, Poornima DeBolle.
- Who are Menlo Security's investors?
- Menlo Security's investors include Baruch Future Ventures, Engineering Capital, General Catalyst, Junipero, OUP (Osage University Partners), Vista Equity Partners, WillowTree Ventures, American Express Ventures (Amex) and 2 more.
- How much funding has Menlo Security raised?
- Menlo Security has disclosed $100M raised across 1 of its 3 known rounds.
- Where is Menlo Security headquartered?
- Menlo Security is headquartered in Mountain View, US.

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