Week in review: Records allegedly stolen from Azure tenants, Medusa ransomware hits 500+ orgs

This weekly roundup summarizes a broad set of active cybersecurity incidents and research, including critical vulnerabilities being exploited in the wild (Microsoft Entra ID, GitLab, Citrix, macOS), major data breaches and customer data exposures (France tax authority, SafePal), widespread ransomware activity (Medusa affecting 500+ organizations), infostealer/malware campaigns (Vidar, fake AI installers and impersonation of AI brands), law-enforcement cybercrime takedowns, and growing use of AI by both attackers and defenders. The report highlights active exploitation, large-scale breaches, and evolving attacker TTPs that pose elevated risk to organizations and individuals.