Security Guides
BYOD for developers: should you allow personal laptops?
A decision guide for letting developers use personal laptops: what to allow, what to block, and the questions to answer before you write the policy.
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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Buying a second-hand smart device safely: a checklist
Check update support, reset the device on arrival, then finish security setup. A buyer's checklist for used phones, speakers and other smart devices.
Oct 18, 20263 min read
Security Guides
Buyer side security review in one week: a practical plan
A five day plan for an acquirer's first technical security review of a target: inventory, code, access, data and incidents, with what to ask on each day.
Oct 18, 20263 min read
Security Guides
A threat model example: how a discount flow gets abused
Business logic flaws look like normal requests. A worked threat model of a discount flow shows how to find and fix them before launch, with tests.
Oct 18, 20263 min read
Security Guides
Bundled and deceptive extension installs: what store policy prohibits
The Chrome Web Store bans misleading install flows, bundling and unrelated extensions in one listing. How to spot these tactics and report them.
Oct 18, 20263 min read
Security Guides
Building a security learning program with NIST SP 800-50 Rev. 1
NIST SP 800-50 Rev. 1 treats awareness, training and education as one lifecycle program aimed at behavior change. Here is how a small team can apply it.
Oct 18, 20263 min read
Security Guides
How to build an OT asset inventory using CISA's 2025 guidance
CISA's August 2025 guidance gives five steps and a list of attributes for OT asset inventories. A practical way to start without halting production.
Oct 18, 20263 min read
Security Guides
How to write a bug bounty scope that researchers can follow
A bounty scope defines assets, eligible bug types, safe harbor, rewards and response times. How to write one that is precise and easy to follow.
Oct 18, 20263 min read
Security Guides
Bug bounty rewards: how to decide payout tiers you can sustain
How to design bug bounty reward tiers: tie payouts to impact, set a budget cap, write duplicate rules and plan for the first month of report volume.
Oct 18, 20264 min read
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