PerimeterX

What PerimeterX does

PerimeterX was a web application security vendor founded in 2014 and headquartered in San Mateo, California, focused on detecting and mitigating automated threats — bots, credential stuffing, account takeover, and content scraping — across consumer-facing websites and APIs. Its technology centered on behavioral and device signal analysis to distinguish human from non-human traffic, with deployment integrated into customers' application stacks.

In 2024, PerimeterX was acquired by HUMAN Security and its capabilities absorbed into the HUMAN Defense Platform, a unified subscription SaaS offering that now spans advertising protection, application protection, and transaction protection. The platform analyzes 2,500-plus signals per interaction through 400-plus adaptive machine-learning algorithms, processing over 20 trillion digital interactions weekly across roughly 3 billion unique devices. Solutions are organized around Bot Detection & Mitigation, Account Takeover, Scraping, Ad Fraud, Transaction Abuse, Fake Accounts, and — most recently — LLM & AI Agent Governance under the AgenticTrust product family.

The combined entity sells through direct enterprise sales with quote-based annual subscription pricing, supplemented by technology and channel reseller programs. Target verticals include Financial Services, Retail & E-Commerce, Ad Tech Platforms, Digital Publishers, SaaS Platforms, Streaming & Gaming, Travel & Hospitality, Healthcare, Education, and the Public Sector, with named enterprise customers such as LinkedIn, The Trade Desk, Priceline, Samsonite, TripleLift, Magnite, Sweetwater, and Venatus Media. Offices are located in New York City, Santa Clara, Miami, Dallas, Tel Aviv, and London.

Name

PerimeterX

Legal name

HUMAN Security

Website

https://perimeterx.com

Company type

Private

Founded year

2014

Operating status

Acquired

Headcount range

51–100 employees

Short description

PerimeterX, now part of HUMAN Security, provides enterprise bot detection, ad fraud prevention, and account takeover protection through the HUMAN Defense Platform, analyzing over 2,500 signals per interaction via 400-plus machine learning models to serve financial services, retail, ad tech, SaaS, and other verticals.

Ownership category

akta.pro rank

Product category

Bot Management and Application Security

NAICS

Security Systems Services (56162), Security Systems Services (except Locksmiths) (561621)

akta.pro primary industry

Network & Infrastructure Security Services (Perimeter, Segmentation) (BPAKAHAL)

Keywords

• Bot management
• Web application security
• Fraud prevention
• Account takeover protection
• Ad fraud detection

Headquarters

HQ city

San Mateo

HQ country

United States

HQ region

North America

Offices6 records

Markets served

GTM type

B2B

Offering type

Software

Cost components

Technology or R&D, Personnel, Marketing or Sales, Operations, Infrastructure

Revenue model

1. Subscription-based SaaS Platform: HUMAN Security operates as a SaaS security platform offering subscription-based access to its Human Defense Platform. The platform covers advertising protection, application protection, and transaction protection with solutions including bot detection, ad fraud prevention, and account takeover protection.

Pricing tiers

Distribution channels3 records

Marketing channels8 records

Core offering

PerimeterX provides application security solutions that protect websites, mobile apps, and APIs from automated attacks, bot traffic, account takeover, and client-side threats. The company's flagship offering centers on bot detection and mitigation using behavioral analysis and machine learning, with capabilities spanning fraud prevention, ad integrity, and account protection for enterprise digital properties. PerimeterX was acquired by HUMAN Security in 2024 and its technology is now delivered as part of HUMAN's Human Defense Platform.

Product overview

HUMAN (formerly PerimeterX) offers the Human Defense Platform, a unified platform providing comprehensive protection against bots, fraud, and cyber threats across advertising, applications, and transactions. The platform consists of the core Human Defense Platform with specialized solutions including Bot Detection & Mitigation, AgenticTrust for AI agent governance, Ad Integrity Suite, HUMAN Sightline Cyberfraud Defense, Client-Side Defense, and AgenticTrust. The platform processes over 20 trillion digital interactions weekly across 3 billion unique devices, examining 2,500-plus signals per interaction using 400-plus machine learning algorithms.

Differentiator

Problem solved

Functional benefit

Brands

• Human Defense Platform: Unified platform providing high-fidelity decisioning and precision across the customer journey for advertising, applications, and account protection.
• AgenticTrust
• HUMAN Sightline Cyberfraud Defense
• Ad Integrity Suite
• Client-Side Defense
• HUMAN Challenge

Quantifiable outcome

• Phish 'n' Ships operation disrupted: fake shop operation that cost digital consumers millions of dollars
• +2 more outcomes

Named customers14 records

Segments10 records

Ideal customer profiles1 record

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability3 records

Feature8 records

Partnerships

Three partnerships are on record, tiered core.

• Technology PartnerscoreTechnology or IntegrationHUMAN maintains a technology partner ecosystem for integrations and interoperability. The company offers partnerships and integrations through partners.humansecurity.com with technology partner programs.
• Channel ResellerscoreChannel Partner/ Reseller/ DistributorHUMAN has a channel reseller program through partner portal at partners.humansecurity.com. Includes resellers and value-added resellers.
• Integration PartnerscoreTechnology or IntegrationPartnerships and integrations available through the HUMAN partner ecosystem. Documentation available at docs.humansecurity.com.

Scale indicators9 records

Recent moves6 records

Expansion highlights5 records

Broad incumbents

• Cloudflare: Cloudflare offers Bot Management as part of its broader edge security, WAF, and CDN platform. It competes head-on with HUMAN in bot mitigation but bundles protection across a much wider portfolio, giving enterprise buyers a one-stop alternative.
• Imperva (Thales): Imperva, now part of Thales, offers application security, bot management, and API protection. It targets similar enterprise buyers (banks, retailers, SaaS platforms) and competes directly with HUMAN's application protection use cases.
• Radware: Radware delivers application and API protection including bot management and DDoS mitigation for enterprises and service providers. It competes with HUMAN in application-layer security and shares several target verticals.
• Akamai (Bot Manager / App & API Protector): Akamai's Bot Manager and App & API Protector address credential abuse, scraping, and account takeover for global enterprises. It is one of the largest incumbents in the same category and overlaps significantly with HUMAN's applications suite.
• Fastly (Next-Gen WAF with Bot Management): Fastly provides edge cloud security including bot management and a Next-Gen WAF, often bundled with its CDN. It is a broader incumbent alternative for buyers evaluating HUMAN on bot mitigation and account protection.

Emerging players

• Arkose Labs: Arkose Labs focuses on account takeover and fake account prevention using challenge-based detection and risk decisioning. It overlaps directly with HUMAN's account protection and fake-accounts solutions for digital platforms and fintechs.
• Kasada: Kasada provides bot management built around client-side telemetry and cryptographic challenges, targeting e-commerce, travel, and financial services. It is a focused emerging competitor to HUMAN in bot detection and account abuse.

Direct peers

• DataDome: DataDome is a leading SaaS bot management and online fraud protection platform serving e-commerce, classifieds, and travel customers. It directly competes with HUMAN's Bot Detection & Mitigation and Account Takeover solutions with a similar ML-driven, low-latency detection model.
• F5 (Shape Security): F5's Shape Security division provides AI-driven bot mitigation, account takeover protection, and fraud prevention for banks and enterprises. It is one of the closest direct competitors to HUMAN in behavioral analytics-based bot defense.

Others

• HUMAN Security (parent post-acquisition entity): HUMAN Security is the acquirer of PerimeterX and the current operating identity under which PerimeterX technology is sold. It is included as an adjacent reference point for the consolidated platform, distribution, and analyst positioning the PerimeterX stack now sits inside.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• Xx.com/perimeterx
• Facebookfacebook.com/perimeterx
• LinkedInlinkedin.com/company/perimeterx

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles6 records

Subsidiaries2 records

Funding overview

Funding rounds6 records

Investors15 records

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A1 record

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about PerimeterX