John Z Black

North Korea Behind Polyfill.io? Supply Chain Poisoning Just Got a State Sponsor

John Z Black Mar 13, 2026

Supply Chain Security #supply-chain #north-korea #polyfill #npm #simple-git #javascript #cve

Forensic research links the Polyfill.io supply chain attack to a North Korean operative. The same week, a CVSS 9.8 RCE hits the simple-git npm library. Your dependency graph is your attack surface.

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March Patch Tuesday: Two Zero-Days Already Public, Plus a SolarWinds Deadline That's Right Now

John Z Black Mar 12, 2026

Patch Tuesday #patch-tuesday #microsoft #zero-day #solarwinds #cisa #cve #vulnerability-management

Microsoft patched 79+ flaws including two publicly disclosed zero-days. No confirmed active exploitation yet, which is rare. But the SolarWinds Web Help Desk CISA deadline is today, and 'publicly disclosed' means attackers already have the blueprints.

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