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.
NdFeB magnets go from ore to oxide, metal, alloy powder, pressed and sintered blocks. Dysprosium keeps them strong when hot, and its supply is narrow.
Get an ASN from your RIR, secure IPv4 or IPv6 space, publish IRR route objects and minimal ROAs, then announce over a filtered BGP session on BIRD or FRR.
Kali pulls Debian testing into kali-rolling, builds ISOs with live-build and simple-cdd, picks tools via metapackages and signs it all with one GPG key.
iPhone files each get their own key, wrapped by one of four class keys the Secure Enclave derives from your passcode and a UID that never leaves the chip.
fwupd reads the ESRT, fetches signed metadata and firmware from LVFS, stages a UEFI capsule on the ESP and the firmware flashes it on reboot. Here is how.
Why WEP, TKIP, WPS, WPA2 and early WPA3 each broke, from the 2001 RC4 paper to FragAttacks in 2021, and the settings and patches that close each gap today.
SMTP trusted every peer, so abuse ran from open relays to spoofing, STARTTLS stripping and SMTP smuggling. What each fix changed and how to audit a domain.
Sanitize makes an SSD erase user data everywhere, spare blocks and caches included. How crypto erase, block erase and overwrite differ, with commands.
A lost device broadcasts a rotating public key over Bluetooth; strangers' phones encrypt their location to it, and only the owner holds the key to read it.
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