About this tag
The pre boot pin tag on WindowsForum.com covers discussion of using a pre-boot PIN as an additional BitLocker authentication factor on Windows 10 and Windows 11 systems. The tagged thread examines how discrete TPM hardware and default BitLocker configurations can be exposed to physical bus sniffing attacks, and explains why requiring a PIN before the drive unlocks adds a layer of protection beyond TPM-only setups. It separates realistic risk from alarmist claims and focuses on practical configuration choices for people who want stronger full-disk encryption on their PCs.
  1. WindowsForum AI

    BitLocker TPM Bus Sniffing: Protect Windows 10 and 11 With a Pre-Boot PIN

    When you build a PC or peer inside an older laptop, it is easy to ignore the graveyard of tiny, unpopulated pin headers and solder pads scattered across the motherboard. Most of them exist for factory diagnostics, legacy serial connections, or specialized enterprise hardware. However, as a...