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.
Air molecules scatter blue light about 5.9 times more than red, which colours the sky. Worked examples for blue skies, red sunsets, violet and fibre loss.
Pluton is a Microsoft designed security processor inside AMD, Intel and Qualcomm chips. How it works, how it acts as a TPM and how it is updated.
DRTM restarts the chain of trust after firmware has run. How Intel TXT, AMD SKINIT and Secure Launch measure a late launch, and how to check yours.
Every Mac OS X release from 10.0 Cheetah (2001) to 10.15 Catalina (2019), its last security update and the protections it added, from FileVault to SIP.
Quartz oscillators start as cultured quartz grown in autoclaves, then are cut, lapped, plated, trimmed and sealed. Here is each step, plus TCXO and OCXO.
A security key is a certified secure chip, NFC antenna and touch pad sealed in plastic, with an attestation key added at the factory. How it is built.
NFC is 13.56 MHz radio for a few centimetres, built on ISO/IEC 14443 and 18092. How NDEF, card emulation and relay attacks work, and what limits relays.
EtherNet/IP carries ODVA's CIP over TCP 44818 and UDP 2222. How objects, explicit and implicit messaging, Forward Open and CIP Security profiles work.
How face matching turns a face into a vector and a score, why thresholds and bias tests matter, and what BIPA, GDPR and the EU AI Act require.
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