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Supply Chain Security

How a Continuous Glucose Monitor Is Made: Sensors to Bluetooth Data

A CGM is an enzyme sensor in interstitial fluid, a sterile applicator and a Bluetooth transmitter running firmware. See how each part is made and secured.

Oct 25, 202641 min read
Supply Chain Security

Full-Duplex Speech-to-Speech AI Explained: Audio Tokens and Labels

Full-duplex speech-to-speech AI hears and talks at once using neural codec tokens, so laughs and pauses survive. How it works and how to label AI speech.

Oct 25, 202637 min read
Supply Chain Security

How a VR Headset Is Made: Displays, Lenses, Tracking, Firmware, Eye Data

A VR headset pairs tiny displays and folded lenses with tracking cameras, an SoC and signed firmware. How each part is built and what eye data it keeps.

Oct 25, 202641 min read
Supply Chain Security

Spec-Driven Development with AI Coding Agents: Specs, Tasks, Security

Spec-driven development has an AI agent write requirements, design and task files before code. How it works, where security goes, and how to review it.

Oct 25, 202645 min read
Supply Chain Security

Self-Hosted S3 Object Storage for a Homelab: SigV4, Object Lock

Self-hosted S3 storage speaks the S3 API on your own disks. Learn SigV4 signing, Object Lock, replication versus erasure coding, and how to harden it.

Oct 25, 202641 min read
Supply Chain Security

Android Virtualization Framework and pKVM Explained: Protected VMs

Android's AVF uses the pKVM hypervisor at EL2 to run protected VMs whose memory the Android host cannot read. How pKVM, Microdroid and attestation work.

Oct 25, 202637 min read
Supply Chain Security

Control Flow Integrity Explained: Intel CET, Arm PAC and BTI, and CFI

Control flow integrity stops hijacked returns and indirect calls. Learn Intel CET, Arm PAC and BTI, Clang CFI, Windows CFG and how to verify them.

Oct 25, 202640 min read
Supply Chain Security

Linux IMA and EVM Explained: Measurement, Appraisal and Attestation

Linux IMA hashes files as they load, logs them into TPM PCR 10 and can refuse unsigned files; EVM guards their metadata. How to set up and attest both.

Oct 25, 202642 min read
Supply Chain Security

PKCS #11 Explained: Slots, Sessions, Mechanisms and Key Attributes

PKCS #11 is the OASIS C API, called Cryptoki, that apps use to drive HSMs and smart cards. Learn slots, sessions, mechanisms and risky key attributes.

Oct 25, 202641 min read

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