Security Guides
A bad day checklist: operating through a large outage
Grid, GPS, cloud or vendor outage: one resilience checklist for a small software team, built from CISA lessons on contingency planning and manual fallback.
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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How to test a backup restore when nobody has time
A backup is only real once you have restored from it. A two hour restore test for small teams, what to measure, and how to protect backups from ransomware.
Oct 18, 20263 min read
Security Guides
Backup and restore, pilot light, warm standby or active/active?
A plain comparison of the four disaster recovery patterns, what each costs in complexity, and how to choose by RTO, RPO and the disaster you fear.
Oct 18, 20264 min read
Security Guides
A backup restore drill you can run every quarter
A backup you have never restored is a guess. A repeatable restore drill: what to pick, what to time, what to record and how to fix what breaks.
Oct 18, 20263 min read
Security Guides
Backup policy checklist: what to back up and how to test restores
A backup policy names what is backed up, how often, who can delete it, and how restores are tested. Use this checklist built on NIST CP-9 enhancements.
Oct 18, 20263 min read
Security Guides
Encrypted backups: where to keep the keys so you can restore
Lose the key and an encrypted backup is useless. How to store, back up and escrow backup keys safely, based on OWASP key management guidance.
Oct 18, 20263 min read
Security Guides
Back up PLC logic and check it against a known good baseline
Backups of controller logic let you restore after tampering and spot changes. Steps for storing, hashing and comparing PLC programs, from CISA advisories.
Oct 18, 20263 min read
Security Guides
System-assigned vs user-assigned managed identity in Azure
Managed identities let Azure workloads get tokens with no stored secret. Compare system-assigned and user-assigned types and choose the right one.
Oct 18, 20263 min read
Security Guides
Azure RBAC roles vs Microsoft Entra roles: what is the difference
Azure roles control resources like VMs and storage. Entra roles control users, groups and the directory. Learn how they differ and where they overlap.
Oct 18, 20263 min read
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