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Cybersecurity

New Windows zero-day turns Microsoft’s own security fix into a path to full system access

This latest exploit is called SignDrop. It comes from Abdelhamid Naceri, a former Microsoft employee who has been dumping unpatched Windows bugs online under the name Nightmare Eclipse since April.

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Cybersecurity

Upcoming Speaking Engagements

This is a current list of where and when I am scheduled to speak: I’m speaking at the Catalyst Summit in Brampton, Ontario, Canada, on Wednesday, November 18, 2026. I’m speaking at QT Qonference 2026 in Toronto, Ontario, Canada, on Thursday, November 19, 2026. The list is maintained on this page.

Schneier on Security

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