#7
BleepingComputer
general
July 31, 2026 at 21:09 UTC
Online ad firm Adform’s script compromised to steal cryptocurrency
By Bill Toulas
AI Summary
Online advertising firm Adform suffered a supply-chain attack in which threat actors injected cryptocurrency-stealing scripts into its ad platform, replacing clipboard-copied wallet addresses with attacker-controlled addresses on websites using Adform's ad delivery infrastructure. The attack is a classic clipboard hijacking technique delivered at scale via a compromised ad network, potentially affecting thousands of websites and their visitors. Adform customers and web publishers should immediately audit any third-party ad scripts served from the platform.
Relevance score: 83.0/100
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