// startup autopsy
PerimeterX
Bot detection leader acquired by HUMAN Security — brand dissolved after merger.
acquisition gone wrongAcqui-hire
Fatal mistake: Exit Strategy
| Founded | 2014 |
|---|---|
| Closed | 2023 |
| Country | USA |
| Sector | Cybersecurity |
// the model, blind
Evaluating only PerimeterX’s profile at its peak — without knowing the outcome — the model ranked Acquisition gone wrong as the #1 likely cause. That’s exactly how it died.
Key Events Timeline
FOUNDING
PerimeterX founded in San Jose, California to develop bot management and web application security solutions.
FUNDING
PerimeterX raised Series B funding to expand its bot detection platform across enterprise customers.
PRODUCT LAUNCH
PerimeterX achieved $100M+ ARR milestone and secured Series D funding round, establishing market leadership in bot detection.
DOWN ROUND
PerimeterX raised its final funding round totaling $183M in cumulative capital amid increasing competition from HUMAN Security.
ACQUISITION ATTEMPT
HUMAN Security (formerly White Ops) announced merger with PerimeterX to consolidate the two leading bot-detection platforms.
SHUTDOWN
PerimeterX brand was absorbed into HUMAN, product lines consolidated, and independent team dissolved, ceasing operations.