India, April 16 -- The April 2026 security updates from Microsoft may seem similar to previous months' "Patch Tuesday" updates, but these updates contain something a little more in-depth than just the usual application bugs or driver updates. The security updates of April 2026 affect the layer of trust that governs what can be executed on a given system before the operating system boots up, thus creating new and unique opportunities for attack against that machine.

Secure Boot acts as a "bouncer" at the firmware door to verify that drivers are secure before launching the OS; if trust in the chain has been compromised either through age, lack of updates, or poor management, an attacker has an opportunity to gain access to one of the most ...