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PerimeterX

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Cybersecurity startup developing a platform to protect apps and their users from malicious actors

San Mateo, United StatesFounded 2014Cybersecurity
Valuation $100–500M Latest valuation · 2021
Headcount <100 Current team size
Total funding $100–500M Disclosed equity funding
Unlock exact values This page shows ranges. Dealroom has the exact numbers for PerimeterX and the history behind them.

About PerimeterX

In 2014, three visionary entrepreneurs, Omri Iluz, Ido Safruti, and Ophir Ashkenazi, embarked on a mission to secure the digital world. They founded PerimeterX, a company dedicated to protecting websites and applications from automated bot attacks and other cyber threats. Headquartered in San Mateo, California, PerimeterX quickly established itself as a key player in the cybersecurity landscape.

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PerimeterX's journey is marked by significant milestones that underscore its growth and impact. In 2019, the company raised $43 million in a funding round led by Scale Venture Partners. This capital injection was pivotal, enabling PerimeterX to expand its reach into new geographies and vertical markets. The funding also fueled the development of innovative security solutions that continue to safeguard digital ecosystems worldwide.

As the digital landscape evolved, so did PerimeterX. The company consistently adapted its strategies to address emerging threats, ensuring that its clients remained protected in an ever-changing environment. This adaptability and commitment to innovation have been central to PerimeterX's success.

Today, PerimeterX stands as a testament to the power of foresight and resilience in the tech industry. By focusing on the critical need for cybersecurity, the founders not only built a successful business but also contributed significantly to the safety and security of the digital world. Their journey reflects the dynamic nature of the tech industry and the relentless pursuit of excellence that drives it forward.

Source: Dealroom company data

At a glance

Status
Acquired
Founded
2014
Headquarters
San Mateo, United States
Employees
27
Open positions
None listed
Dealroom signal
67.7/100
Industry
Security
Sub-industry
Cloud & Infrastructure
Sector
Vulnerability Management, Cloud Security, Network Security, User Behavior, Behavior Analytics, Core AI, Chatbot, Cybersecurity
Technology
Artificial Intelligence, Machine Learning
Business model
SaaS
Client focus
b2b
Investment activity
1 company, latest Aug 2019
Capital deployed
Preferred round
ACQUISITION

Latest news

Press, funding announcements and product moves mentioning PerimeterX.

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Funding history

8 recorded events

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
ACQUISITIONOther financing Jul 2022 $0 Human Security
LATE VCOther financing Feb 2021 $57M $228M Adams Street Partners · Scale Venture Partners · Canaan · Stereo Capital
Showing the latest 2 of 8 recorded eventsBook a demo for the full funding history →

Growth signals

PerimeterX website traffic

Latest recorded traffic for PerimeterX is 440 monthly website visits, up 10% over the last three months. PerimeterX's team declined 18.2% over the past year.

Latest monthly visits440 3-month web change+10% 1-year team growth-18.2%
Summary metrics are public; monthly history is available with a demoCompare with peers →

Similar companies

Closest operating peers by Dealroom taxonomy

Company identity and context are open; selected comparison metrics preview what is available on the platform.

Showing 8 of the closest matchesCompare every metric →

Investors

15 investors on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Seed3 investors entered at this stage

  • Vertex Ventures US
  • DCVC
  • Alon Arabov

Series A2 investors entered at this stage

Series B and later9 investors entered at this stage

Other known investors1 additional known investor

  • Human Security
Team profiled 35 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators Hidden — book a demo quality score
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
Workforce by country
2 countries with
team presence
🇮🇱 Israel60%
🇺🇸 United States36%
2 countries shown

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about PerimeterX on X, ranked by likes and reposts, corporate channels excluded.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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