DHS to unveil replacement council for critical infrastructure cybersecurity

Daily CyberScoop roundup covering U.S. cybersecurity and privacy developments: DHS plans to relaunch an information‑sharing council for critical infrastructure (Alliance of National Councils for Homeland Operational Resilience – Critical Infrastructure); a feature on how modern ransomware groups operate like corporations; Sen. Mark Warner’s draft bill to task the FTC with a registry of vetted AI agent sellers; two Supreme Court rulings affecting mail‑in ballots and geofence warrant standards; analysis of CISO obligations and timelines under the post‑quantum cryptography executive order; ATF’s撤