eSkimming Q1 2026 Threat Briefing

eSkimming has developed into a persistent and adaptive threat that operates within the browser, often bypassing traditional security controls and compliance assumptions. Attackers are increasing both the scale and sophistication of these campaigns, targeting digital supply chains and exploiting trusted scripts and services to steal sensitive data.

Findings from Q1 2026 research highlight how techniques such as silent skimming, modular infrastructure, and reinfection strategies enable attackers to evade detection and maintain access. The content examines why common defenses like CSP, SRI, and WAFs are becoming less effective, and outlines how security and compliance teams can respond. It also addresses the impact on PCI DSS alignment, data protection, and reducing the risk of undetected client-side attacks.