Abnormal AI vs PerimeterX (now HUMAN)
Abnormal AI
Go ahead, be human. Abnormal AI keeps your email protected
1504 employees · est. 2018 · Las Vegas, United States
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PerimeterX (now HUMAN)
PerimeterX is the leading provider of solutions that stop the abuse of identity and account information on the web
38 employees · est. 2014 · San Mateo, United States
PerimeterX (now HUMAN) is the older company (2018 vs 2014); Abnormal AI is the larger of the two.
Side-by-Side Comparison
| Metric | Abnormal AI | PerimeterX (now HUMAN) |
|---|---|---|
| Founded | ||
| Founded | 2018 | 2014 older |
| Headquarters | ||
| Headquarters | Las Vegas, United States | San Mateo, United States |
| Employees | ||
| Employees | 1504 larger | 38 |
| Industry | ||
| Industry | Cyber Security, Information Technology, Privacy and Security | Cyber Security, IT, Privacy and Security |
| Funding Stage | ||
| Funding Stage | Venture round | Series D |
| Total Funding | ||
| Total Funding | $284.00M | $148.50M |
| Funding Rounds | ||
| Funding Rounds | 4 | 6 |
| Services | ||
| Services | Abnormal Behavior Platform, Cloud Email Security, AI Security Mailbox, AI Phishing Coach, Security Posture Management | Not tracked yet |
| Target Customers | ||
| Target Customers | Fortune 500 Companies, Technology Services, Information Security Teams, IT Operations, CISOs | Not tracked yet |
| Taxonomy | ||
| Taxonomy | AI-native Security PlatformHuman Behavior SecurityMachine Learning SecurityEmail SecurityInbound Attack PreventionCompromised Account Detection +9 | Web Application SecurityMobile Application SecurityBot DetectionBot MitigationIdentity ProtectionAccount Information Protection +7 |
| Website | ||
| Website | abnormal.ai | perimeterx.com |
About Abnormal AI
Abnormal AI, founded in 2018, emerges as a pivotal player in the Cyber Security domain. The company's slogan, "Go ahead, be human. Abnormal AI keeps your email protected," captures its mission to deliver peace of mind in digital communication. This U.S.-based firm has carved a niche with its AI-nat...
About PerimeterX (now HUMAN)
PerimeterX (now HUMAN) is a leading provider of solutions that detect and stop the abuse of identity and account information on the web. Their cloud-native solutions detect risks to web applications and proactively manage them, enabling businesses to focus on growth and innovation. Founded in 2014 a...
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Compiled from the BounceWatch company index. We last looked at Abnormal AI on 30 Mar 2026, and PerimeterX (now HUMAN) on 11 Sep 2024. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.
