One email was all it took. An employee clicked what looked like a routine sign‑in request. Behind the scenes, attackers swiped credentials, slipped past security controls, impersonated a trusted user, and gained access to critical systems. In other cases, similar intrusions delayed paychecks, rerouted invoices, stole sensitive data, locked up entire networks, interrupted patient care, and strained already tight budgets at schools […] The post Defending the gates: How a global coalition disrupted Tycoon 2FA, a major driver of initial access and large-scale online impersonation appeared first on Health-ISAC - Health Information Sharing and Analysis Center.