Mark of the Web: The Warning Label October's Zero-Day Peeled Off
October's one actively exploited Windows bug, CVE-2026-96951, bypasses Mark of the Web, the tag that tells Windows a file came from the internet. What that tag does, why attackers want it gone, and how to check your machines.
It's 4:20 Somewhere. Now a Free, Open-Source API Tells You Exactly Where
The Official 420 World Clock at 420.menow.us shows live where on Earth it is 4:20, with cannabis-law cards for every zone, and its data is a free, no-key, MIT-licensed API at api.420.menow.us.
JellyDazzle and KoiKnife Are Out on iPhone, iPad, Mac and Android
Two LIBCSystems apps, the music-reactive kaleidoscope JellyDazzle and the koi guide KoiKnife, are now on the App Store for iPhone, iPad and Mac and on Google Play, with every store link here.
Assume Contact: The Defensive Mindset
Design as if the perimeter is already crossed. Least privilege, layered defenses, and logs as institutional memory — the principles the watch stands on.
How to Read a Threat Feed Without Panicking
Most of a threat feed is background radiation. Three questions — targeted, relevant, actionable — separate weather from incoming fire.
What a Security Watch Floor Actually Does
The screens are the least important part. A watch floor is a habit of attention — knowing your baseline so well that the one weird line jumps out.