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.
Docker Engine went from 0.1 in March 2013 to 29.9.2 in October 2026. Every era, how support works today, and how the daemon security model fits together.
Submarines are built from welded steel hull sections and outfitted modules, run software on commercial computers, and need dry docks to stay at sea.
DECT is the ETSI cordless radio behind phones and headsets; NR+ is its 5G mesh IoT successor. How both work, how they are secured and what to check.
Arm CCA runs VMs in realms the hypervisor cannot read, enforced by granule protection checks, run by the RMM and proved by a two layer attestation token.
nginx ships an odd-numbered mainline and one even-numbered stable branch a year. How releases, TLS and HTTP/3 support and security advisories really work.
curl began as HttpGet in 1996, became curl 4.0 in March 1998 and reached 8.23.0 in October 2026. Every era, TLS backend, removal and security rule explained.
PostgreSQL ships a major version yearly with five years of fixes. Every version's dates, when SCRAM, row-level security and OAuth landed, what to check.
GTP carries mobile data in tunnels between core nodes on UDP 2123 and 2152. How GTP-C and GTP-U work, why roaming is risky and what GTP firewalls do.
ONIE is the small Linux install environment on bare-metal switches. How it finds a NOS installer, its modes, updates and what ONIE secure boot verifies.
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