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3.75 million patients breached. A new CISO at Marriott. Hackers poking around critical infrastructure. And that’s only part of what’s on the security radar right now.

Let’s get into it.

WHO’S ON THE MOVE?

Marriott International has appointed Daniel Dubowski as Senior Vice President and Chief Information Security Officer. Dubowski joins Marriott from car rental company Hertz, where he also served as CISO. More on the appointment →

BREACH UPDATE
CareCloud Discloses Patient Impact From March Data Breach

The company has confirmed that attackers stole data from its Amazon Web Services environment, affecting more than 3.75 million people and making the incident one of the largest reported healthcare breaches of 2026.

RESOURCE HUB

Stop Trusting AI to Outthink AI Attacks

AI-powered attacks move faster than detection-based defenses can adapt. ThreatLocker replaces prediction with enforceable Zero Trust controls, allowing only approved applications, scripts, and access while blocking everything else by default. See how your organization can reduce attack surface, ransomware risk, and alert fatigue.

WHAT’S IN YOUR PLAYBOOK?

A member of the TNCR community is revamping their company's Incident Response Plan and is looking for practical input from peers who have recently updated or rebuilt an IR plan. The member is especially interested in templates, playbooks, tabletop materials, lessons learned, and whether anyone is willing to share a sample resource. Share your insights →

PATCHED FLAWS

Microsoft has patched a Copilot vulnerability that allowed prompts embedded in a URL to run without another action from the user. Varonis Threat Labs identified the issue after Copilot disclosed technical details about its own safeguards during a series of follow-up questions. Read more…

CYBER REWIND

“Ransomware defenses are most effective when they interrupt attacks before attackers establish a foothold.”

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