Cybersecurity Daily: News & Threats · 10 Jul 2026 · 4 min

Defender's 29-Day Patch Gap, MRU Ransomware & Cyber Insurance Controls

A working Windows Defender exploit sat exposed for 29 days before Microsoft patched it — and a ransomware crew just deleted 10TB from a university after stealing it. Today's briefing covers the patch lag crisis, the Mount Royal University breach, and why cyber insurers are now demanding proof, not promises.

Cybersecurity Daily: News & Threats
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Defender's 29-Day Patch Gap, MRU Ransomware & Cyber Insurance Controls

Audio is available on Spreaker — see link below.

What's covered

Microsoft's 29-Day Patch Gap

Microsoft's fix for a privilege escalation flaw in Windows Defender is now live. It arrived twenty-nine days after a working exploit went public.

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Mount Royal University Ransomware

The Mount Royal University breach tells a different kind of story, one about what happens after attackers are already inside. CMD Organization claimed responsibility.

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Student Data Left Unprotected

There's a detail in MRU's response worth holding onto. The university offered two years of credit monitoring to employees.

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Delete-After-Steal Breaks Backup Logic

The broader implication from MRU's situation extends well past one university. Nearly all ransomware attacks now include data exfiltration.

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Cyber Insurance Tightening Controls

The third thread running through today's developments is insurance. Underwriters have moved well past the questionnaire model.

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