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Personal technology notes

It’s all geek to me

Practical notes, deep dives, fixes and experiments across infrastructure, cloud, security, networking, automation and the rest of the technology rabbit hole.

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isageek

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cybersecurity · microsoft & cloud · virtualisation · backup & resilience · ai & emerging technology

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CybersecurityVERIFIED OCT 2026

Cisco urges distrust of compromised eMudhra CA chains

Cisco has expanded its emergency response to compromised eMudhra certificate authorities. Administrators must check product-specific trust stores, complete available remediation and avoid treating planned software releases as protection already deployed.

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Geek Briefing

One useful technology briefing a week. New articles, practical fixes and the things worth paying attention to — no daily noise.