Advertising technology company Adform suffered a supply chain attack on July 27, 2026, when threat actors compromised a JavaScript file to inject malicious code that replaced cryptocurrency wallet addresses in users' browsers. The attack affected multiple customer websites using Adform's services, potentially enabling attackers to redirect cryptocurrency transactions to attacker-controlled wallets
Attackers modified a JavaScript file served by advertising technology company Adform, turning it into a browser-side tool that rewrites cryptocurrency wallet addresses. Adform detected the incident on July 27, 2026, removed the malicious code, notified affected clients, and reported it to authorities. Anyone who visited a site carrying the affected script on July 27 and copied a Bitcoin,
Originally published at thehackernews.com
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