Cross-platform privacy-hardening program. Two-layer product: - SilverLABS Application Stack (cross-platform spine) - Platform Hardening Profiles (per-OS, tier-honest) Platforms: Linux (Debian/Kicksecure), Android (Pixel/Samsung/Moto/generic), Windows (LTSC IoT), macOS (profile), iOS (MDM profile). Each flavour has both a preflashed hardware SKU path and a self-apply "harden your existing device" path. Includes umbrella docs (README + threat-model, design-principles, platform-matrix, roadmap, trust-model), per-platform and per-stack- component README stubs, .gitignore, LICENSE. Linux v1 ships first; Stack v1 = Browser + VPN + Sync. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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SilverMetal Windows
Status: Phase 3 (planning, post-Linux v1)
Tier C — config-layer hardening only. Honest positioning: we cannot modify the Windows kernel or boot chain; we turn every dial Microsoft exposes.
Scope (v1)
LTSC IoT-based installer that transforms a vanilla Windows install into a SilverMetal-hardened build:
- Windows 11 IoT Enterprise LTSC base (no Cortana, no Store, no Edge baked in, ~10-year support)
- Group Policy hardening (telemetry off, services disabled, sane defaults)
- Defender ASR rules at maximum
- AppLocker allow-list mode
- BitLocker enforced (TPM-bound)
- Telemetry blocked at hosts file + service + GP layers
- Edge / Chrome replaced with SilverBrowser default
- Full SilverLABS Stack preinstalled (native Windows builds)
Out of scope
- Anything requiring kernel modifications
- Anything requiring developer-controlled verified boot
- Bypassing Microsoft Update (we ship updates via the same channel; we cannot replace it)
Directory layout
To be populated in Phase 3. Initial structure planned:
windows/
├── installer/ # PowerShell / WiX-based installer
├── policies/ # Group Policy templates, ADMX
├── applocker/ # AppLocker rules
├── debloat/ # Removal scripts (Edge, Cortana residue, telemetry)
├── stack-installer/ # Native SilverLABS Stack package builders
└── tests/ # Telemetry-leak test, hardening-baseline test
Verification gates
- Telemetry-leak test on hardened install — minimum-feasible Microsoft contact, documented in full (we cannot reach zero on Windows; we publish what remains)
- BitLocker enabled with TPM binding verified
- AppLocker allow-list functional and documented
- Stack apps install and function
Upstream we depend on
- Windows 11 IoT Enterprise LTSC — base OS (licensed)
- AtlasOS / ReviOS / privacy.sexy — reference for hardening configs
- Chris Titus Tech / O&O ShutUp10 — reference for telemetry blocking