Microsoft Exchange Outage Disrupts Classic Outlook Access
Update: 2025-11-25
Description
Microsoft faced a global Exchange Online outage affecting classic Outlook access and search functionality, while multiple new CISA ICS advisories highlighted risks to critical infrastructure. The FBI reported over $262M lost to bank-support impersonation scams, and CISA warned of advanced spyware targeting encrypted messaging-app users. Delta Dental of Virginia disclosed a breach impacting 146K individuals, and Russia arrested a young cybersecurity entrepreneur on treason charges. Jackson County suffered a cyber-attack disrupting emergency services, and new market forecasts show strong growth in healthcare cybersecurity through 2032.
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