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.
Ubuntu 26.04 LTS shipped 23 April 2026 with kernel 7.0 and GNOME 50, supported to 2031, or 2036 with ESM. What changed from 24.04 and security defaults.
SSH stacks three protocols on TCP port 22: an encrypted transport, user authentication and multiplexed channels. How each layer works and how to harden it.
Export your data at privacy.apple.com, move each iCloud service to an open alternative, deregister iMessage and remove Activation Lock before you sell.
Build a device HBOM in CycloneDX 1.7 JSON: device and firmware components, part properties, links to firmware SBOMs, then validate and sign it.
Linux turned 35 in 2026. The security milestones that matter: LSM and SELinux, seccomp, namespaces, KASLR, Meltdown fixes, Rust and the kernel's own CNA.
HTTP/1.1 is a text protocol defined by RFC 9112, with shared semantics in RFC 9110. How messages are framed, and why framing bugs become security bugs.
CISA's HBOM framework defines 3 use case categories, 7 field categories and 47 named fields for hardware parts. Here is what each means and how to use it.
Export with Google Takeout, then move email, sign-ins and 2FA first, files and photos next, apps last. Open, standards based alternatives for each service.
MCP is an open JSON-RPC 2.0 protocol linking AI apps to tools and data. How its messages, stdio and HTTP transports and OAuth 2.1 auth work in 2026-07-28.
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