
What QSAs Are Saying About PCI DSS 4.0.1 and eSkimming Controls
by Source Defense On a recent Source Defense roundtable, seasoned QSAs gathered to discuss the latest PCI DSS 4.0.1 updates—specifically requirements 6.4.3 and 11.6.1—and how
by Source Defense On a recent Source Defense roundtable, seasoned QSAs gathered to discuss the latest PCI DSS 4.0.1 updates—specifically requirements 6.4.3 and 11.6.1—and how
by Source Defense A recent incident at Blue Shield of California highlights the critical importance of client-side security controls when implementing third-party scripts on healthcare
Source Defense Research Blog | April 23, 2025 A Familiar Threat Resurfaces in the UK Our Source Defense Research team has uncovered an active Magecart-style
by Source Defense When attackers are clever enough to name their cookie “csp_f_y,” you know they’re not just exfiltrating data—they’re mocking your defenses. In a
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