Stripe acquires payments security firm Salvo for $1.4B
Salvo's anomaly-detection engine processes 2.1 billion transactions a day. The acquisition is Stripe's largest since Bouncer in 2021 and signals a deeper push into fraud infrastructure.
Stripe announced on Tuesday that it has acquired Salvo, a four-year-old payments security startup, for $1.4 billion in cash and stock. The deal is Stripe's largest since Bouncer in 2021 and one of the biggest fintech acquisitions of 2026.
Salvo, founded in 2022 by former Square and Mastercard engineers, sells real-time fraud and anomaly detection to mid-market merchants. Its engine processes roughly 2.1 billion transactions per day, the company said in 2025.
Why now
Stripe's own Radar fraud product has been steadily losing ground to specialized competitors in the last 18 months, particularly in higher-risk verticals like crypto on-ramps and high-ticket marketplaces. Salvo brings both technology and ~1,200 mid-market customers Stripe wants to lock in.
Terms and timing
The deal is expected to close in Q3 pending regulatory review. Salvo CEO Priya Vasan will join Stripe as VP of Risk Engineering.
