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.
Deep dives, practical guides, and incident analyses from engineers who build Safeguard. No fluff, no vendor FUD — just what you need to ship secure software.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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