Supply Chain Security
In-depth guides and analysis on supply chain security from the Safeguard engineering team.
100 articles
Phone Keyboard Privacy: What Keyboards See and How to Lock Them Down
A phone keyboard sees most of what you type. What Android IMEs and iOS keyboards can read, what Full Access unlocks, and how to lock keyboards down.
UEFI Setup Passwords Explained: Supervisor, Power-On and Fleet Lockdown
A UEFI supervisor password locks firmware settings; a power-on password gates boot. What each protects, what it misses, and how to run them across a fleet.
VMware ESX and ESXi Release History: Versions, Patching and Support Dates
ESXi 8.0 general support ends 11 October 2027 and 7.0 ended 2 October 2025. Every release from ESX 4.0 to ESX 9.1, plus how patching and builds work.
Windows NT 3.1 to 8.1 Release History: Security Changes by Version
From NT 3.1 to Windows 8.1, each Windows release added a security layer. Versions, support dates, what changed and how to find and isolate legacy machines.
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