RARE AND DANGEROUS MAGECART ATTACK: GTM CODE ITSELF COMPROMISED June 17, 2025 The Source Defense Research Team has uncovered a rare and deeply alarming development in Magecart-style attacks — one that redefines how threat actors are abusing trusted web infrastructure. In contrast to previously documented GTM-based attacks, where Google Tag Manager (GTM) was used to load malicious JavaScript hosted The post Rare and dangerous Magecart attack: GTM code itself compromised appeared first on...