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.
OpenHarmony went from 1.0 in September 2020 to 6.x in 2026. Every release line, its kernels, the ArkTS app model, signing, permissions and patch policy.
Smart glasses fit a camera, mic array, speakers, an SoC and sometimes a waveguide display into a frame. How each part is built and what bystanders face.
Linux checks a signature appended to each .ko file. Learn how sig_enforce, lockdown, MOK keys and DKMS decide whether an out-of-tree driver loads.
Firefox went from yearly releases to six, four and now two week trains, with ESR lines that run about a year. Every era, its security features and dates.
OpenSSL forked from SSLeay in 1998, rebuilt itself around providers in 3.0 and shipped 4.0 in April 2026. Every line, its defaults and its support window.
TFTP is a tiny UDP file protocol from RFC 1350 with no login and no encryption. Learn how it works, what blksize and windowsize add, and how to contain it.
gNMI is OpenConfig's gRPC API for reading, changing and streaming network device state. Learn its RPCs, subscription modes, dial-out and TLS setup.
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.
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