// startup autopsy
Threat Stack
Cloud security OG with 400 customers sold to F5 for $68M then quietly killed in 18 months.
competitionFire Sale
Distressed acquisition below last-round valuation
| Founded | 2012 |
|---|---|
| Closed | 2021 |
| Country | USA |
| Sector | Cybersecurity |
| Founder | Jennifer Andre |
// the model, blind
Evaluating only Threat Stack’s profile at its peak — without knowing the outcome — the model ranked Unit economics as the #1 likely cause. Documented cause: Competition.
Key Events Timeline
FOUNDING
Threat Stack founded in Boston to provide cloud infrastructure security monitoring and compliance automation.
FUNDING
Raised $45M Series C; grew to 400+ enterprise customers including major SaaS companies and financial services.
PIVOT
Attempted pivot to full-stack cloud security observability but CNAPP competitors outpaced investment capacity.
ACQUISITION ATTEMPT
F5 Networks acquired Threat Stack for $68M in September 2021; product sunset announced within 18 months.