Senior Cyber Safety Briefing – August 21, 2025

Here’s a brief summary of today’s cybersecurity news coverage:

Apple issued urgent patches for an actively exploited zero-day in iOS/macOS.

Microsoft limited China’s access to its early-warning system over security concerns.

Oracle’s CSO retired after nearly 40 years, marking a shift toward AI-based security.

A malicious PDF editor is turning devices into proxy bots in a new threat campaign.