Security Guides
Fail-safe vs fail-secure: what is the difference?
Fail-safe protects people when something breaks, fail-secure protects assets. Learn the difference, the classic door example, and how it maps to software.
Oct 18, 20263 min read
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Supply Chain Security, in plain English.
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.
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Fail open or fail closed? How to decide for each system
Fail open keeps service running when a control breaks, fail closed blocks. A decision guide with the questions to ask for each system you run.
Oct 18, 20264 min read
Security Guides
Factory reset smart devices before you sell or give them away
A step by step checklist for wiping a phone, camera or smart speaker before it leaves your hands, with the caveats about what a reset does not guarantee.
Oct 18, 20263 min read
Security Guides
FAA Remote ID: what your drone actually broadcasts
Remote ID makes a drone broadcast its identity, position, altitude, speed and control station location. What each message carries, per 14 CFR Part 89.
Oct 18, 20263 min read
Security Guides
F5 source code theft and CISA ED 26-01: a practical response list
CISA's Emergency Directive 26-01 followed the theft of BIG-IP source code. What it asked federal agencies to do, and a checklist any F5 user can borrow.
Oct 18, 20263 min read
Security Guides
What happens when a Chrome extension update asks for new permissions
When an update adds a permission that carries a warning, Chrome disables the extension until you approve. How to treat that prompt and when to say no.
Oct 18, 20263 min read
Security Guides
A browser extension policy template for development teams
A short, editable browser extension policy for engineering teams: approvals, banned permissions, review cadence and offboarding, using browser controls.
Oct 18, 20263 min read
Security Guides
Does clearing browsing data remove a browser extension's data?
Chrome extension storage is not cleared when you clear browsing data. Learn what that means for privacy, and how to really remove what an extension stored.
Oct 18, 20263 min read
Security Guides
Express session cookies and login throttling: settings that matter
Cookie options for Express sessions, when cookie-session is the wrong choice, and two counters for limiting login brute force attempts on your login route.
Oct 18, 20263 min read
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