Security Guides
Before a penetration test: a one page preparation checklist
How to prepare for a penetration test so the time is spent on real findings: scope, test accounts, safety rules, contacts, backups and fix capacity.
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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Pre-incident legal readiness: a checklist for engineering leaders
Before a breach, line up counsel, contacts, logs, retention switches and vendor terms. A checklist drawn from the breach and ransomware rules.
Oct 18, 20263 min read
Security Guides
PowerShell script block logging: what it records and what to protect
Script block logging writes the content of every script block PowerShell runs to the event log. Here is how to enable it and how to keep secrets out of it.
Oct 18, 20264 min read
Security Guides
PowerShell execution policy is not a security boundary
Execution policy stops accidents, not attackers. See how scopes and precedence work, what RemoteSigned really does, and which controls to add.
Oct 18, 20264 min read
Security Guides
postMessage security: check origin on receive, name it on send
Cross-window messaging is safe only with an exact targetOrigin when sending and an event.origin check when receiving. The rules and a minimal example.
Oct 18, 20263 min read
Security Guides
Which PostgreSQL versions are supported, and when to upgrade
PostgreSQL supports each major version for five years. See the end-of-life dates listed on the project page as of 19 October 2026 and plan upgrades.
Oct 18, 20263 min read
Security Guides
PostgreSQL sslmode: require versus verify-full explained
sslmode require encrypts traffic but does not stop a man in the middle. Compare all six PostgreSQL sslmode values and pick the right one.
Oct 18, 20263 min read
Security Guides
PostgreSQL row level security: basics, bypasses and pitfalls
How PostgreSQL row level security works, who bypasses it (owners, superusers, BYPASSRLS), and a short policy example you can adapt.
Oct 18, 20263 min read
Security Guides
PostgreSQL public schema: who can create objects, and how to lock it
Upgraded PostgreSQL 14 or earlier databases let everyone create objects in the public schema. See how to check, revoke, and use a secure schema pattern.
Oct 18, 20263 min read
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