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 webcam is a lens, a CMOS sensor and a firmware driven bridge chip, plus an LED and maybe a shutter. How it is built, talks to the OS and stays private.
I2P sends traffic through one-way tunnels, bundles messages as garlic and finds peers in a floodfill netDb. How it works and how it differs from Tor.
WirelessHART (IEC 62591) and ISA100.11a (IEC 62734) are industrial 802.15.4 meshes. How managers, join keys and AES-128 work, and why gateways are weak.
Bluetooth Mesh relays messages by managed flooding over BLE advertising. How provisioning, network and app keys, friend nodes and Mesh 1.1 work.
How eSIM works: the eUICC chip, SGP.22 consumer and SGP.32 IoT remote SIM provisioning, SM-DP+, activation codes, eIM, iSIM, certification and SIM swap.
LwM2M is the OMA SpecWorks IoT device management protocol on CoAP. How objects, bootstrap, DTLS, OSCORE and firmware updates work, and how to secure them.
Automotive Ethernet runs SOME/IP services and DoIP diagnostics over single pair links. How each works, how SecOC, MACsec and TLS secure them, and what to check.
I2C, SMBus, PMBus and I3C link sensors, memory, power and BMCs on a board. None authenticate devices, so security comes from isolation and attestation.
Two separate Amadeus exposures reached Korean Air, Asiana, Lufthansa and Condor passengers. What each source says, what is unknown, and what to do now.
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