Threat Intelligence & APT BleepingComputer 1 month ago

Microsoft rolls out Classic Outlook theme for New Outlook users

CN
CyberNew Threat Research Desk
• Original Reporting: BleepingComputer
CyberNew Threat Intel Assessment
Assessed Severity: INFORMATIONAL
Impacted Surface
Client Endpoints & Operating Systems
Intelligence Sector
Threat Intelligence & APT

Analyst Takeaway

"Microsoft has started rolling out a Classic Outlook theme for users of Outlook on the web and the New Outlook for Windows. This new Outlook theme is rolling out as part of a targeted release beginning mid-August and expected to complete by the end of September. The theme will become generally available worldwide between late September and late October. "When enabled, the setting applies..."

Recommended Defense & Mitigation

  • Threat Monitoring: Ingest published IOCs into SIEM/EDR detection rules for continuous telemetry monitoring.
  • Security Awareness: Alert staff and maintain baseline endpoint hardening across endpoints.
Curated & Verified by CyberNew Threat Intelligence Desk Standard Defense Framework (NIST / MITRE ATT&CK)

Outlook

Microsoft has started rolling out a Classic Outlook theme for users of Outlook on the web and the New Outlook for Windows.

This new Outlook theme is rolling out as part of a targeted release beginning mid-August and expected to complete by the end of September. The theme will become generally available worldwide between late September and late October.

"When enabled, the setting applies coordinated changes across the Outlook experience, including visual styling, layout, typography, icons, and selected interactions," Microsoft said in a Microsoft 365 Message Center update.

Get the report

Source Verification & Original Intelligence

This threat report was reviewed by CyberNew analysts and cross-referenced with primary security disclosures from BleepingComputer.

Primary Advisory →