Online ad firm Adform’s script compromised to steal cryptocurrency

July 31, 2026 · BleepingComputer · Severity: MEDIUM

Online advertising firm Adform suffered a supply-chain attack that delivered cryptocurrency-stealing scripts to websites using its ad platform, replacing wallet addresses copied to visitors' clipboards with ones controlled by an attacker.

Key Takeaways

Online advertising firm Adform suffered a supply-chain attack that delivered cryptocurrency-stealing scripts to.
Online advertising firm Adform suffered a supply-chain attack that delivered cryptocurrency-stealing scripts to websites using its ad platform, replacing wallet addresses copied to visitors' clipboards with ones controlled by an attacker.