PerimeterX
PerimeterX protected digital businesses from automated bot attacks, account fraud, and client-side threats using advanced behavioral analytics and machine learning, reducing revenue loss and improving user experience.
Last updated Jun 23, 2026 by ATDb automated enrichment
At a glance
- Employees
- 201-500
- Funding
- $183M
- Revenue
- $50M-$100M
- Stock
- Not Publicly Traded
About
A leading bot detection and fraud prevention platform that merged with HUMAN Security in 2022, becoming part of one of the largest bot mitigation companies in the industry.
PerimeterX was a cybersecurity company specializing in bot management, web application security, and client-side protection. Founded in 2014 and headquartered in San Mateo, California, the company built a reputation for its advanced behavioral analytics and machine learning capabilities that detected and mitigated automated threats targeting web applications, mobile apps, and APIs. Its flagship Bot Defender product became widely adopted by enterprises in e-commerce, financial services, media, and travel sectors seeking to protect against credential stuffing, account takeover, scraping, and ad fraud.
Business model
SaaS
Target market
Enterprise
What they offer
Bot Defender
Core bot detection and mitigation product protecting websites, mobile apps, and APIs from automated threats using behavioral analytics and ML.
Code Defender
Client-side security solution protecting against supply chain attacks, Magecart, and malicious JavaScript injected into web pages.
Page Defender
Protection against unauthorized ad injection and digital skimming attacks that compromise the user experience and revenue.
Credential Intelligence
Detection and alerting for compromised credentials being used in credential stuffing and account takeover attacks.
Account Defender
Account takeover protection that identifies and blocks fraudulent login attempts and account abuse.
Key features
Use cases
Customer segments
Tech & specs
Technology stack
Security & compliance
Deployment
API
Yes
- 2014 · Founded
- Still operating as part of HUMAN Security