PRODUCT

Firmware.

BIOS rings with the same provenance discipline.

PIPELINE
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On the roadmap — vote it up.

THE PROBLEM

What's broken without it.

Firmware is the riskiest update class on the endpoint and the least disciplined. BIOS updates ship from OEM portals, get applied by sysadmins on a whim, and survive reimage. A bad BIOS bricks machines or, worse, lands persistent malware below the operating system.

audit-trail.log · status quo
1 # T+0 install completes on 1,204 endpoints
2 # T+2d scanner runs across the fleet
3 # T+2d scanner flags 14 endpoints with vulnerable artifact
4 # T+3d helpdesk tickets begin to arrive
5 # T+5d incident response opens IR-2026-0418
6 # T+9d auditor asks: "who approved this artifact?"
7 # T+9d answer: nobody. it shipped because the CDN said so.
HOW ATTESTREE SOLVES IT

The approach.

Attestree Firmware applies the same ring-based attested workflow to BIOS / UEFI updates. Vendor signatures pinned at ingest. Updates apply through staged rings with rollback policies. Every applied firmware version emits a signed attestation tied to the machine’s TPM measurement.

attestree.toml · firmware
1 # pipeline product
2
3 # Syntax stabilizes once development starts.
4 # Vote this up on the waitlist to influence the design.
WHAT'S NEXT

Roadmap, in three moves.

design-partner mode through GA

TPM-bound attestations

Every applied firmware version recorded in a signed receipt bound to platform PCRs.

Q2 2027

Vendor signature pinning

Pin Dell, HP, Lenovo BIOS signing keys; reject anything not chained to them.

Q3 2027

Pre-flight reversibility

Refuse firmware updates that cannot be downgraded without an OEM RMA.

Ready for firmware on your fleet?

Get on the list — your vote moves this up the roadmap.