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.
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.
How Node.js went from 0.x and the io.js fork to 30 month LTS lines, what the permission model really restricts, and how security releases ship.
Git went from a 2005 first commit to 2.56 in 2026. Git 3.0 has not shipped; it will default to SHA-256, reftable and main. What changed for security.
eMMC and UFS are the soldered flash inside phones, cars and boards. How they differ, what RPMB holds, how inline encryption works and how to erase them.
What RCS is, how it runs over IMS with SIP and MSRP, how MLS end-to-end encryption reached Android and iPhone, what still leaks, and how business senders work.
LLMNR and NetBIOS Name Service are legacy fallbacks that any host on the link can answer. Learn the poisoning risk and how to switch both off safely.
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