Security Guides
VPN login hardening checklist: MFA, lockout and certificates
A checklist for securing remote access logins: MFA that resists phishing, lockout rules, certificate checks, and stopping password only access.
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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What a VPN does and does not hide: myths versus facts
A VPN encrypts the path to its endpoint, but it does not make you anonymous or stop malware. Myths and facts for work and personal use.
Oct 18, 20263 min read
Security Guides
VPC Flow Logs: what they record and what they cannot tell you
VPC Flow Logs record IP traffic metadata for network interfaces. See what they help with, where they can go and what you still need for investigations.
Oct 18, 20263 min read
Security Guides
Volunteer built website or app: ten questions to ask the developer
A volunteer built your site or donation app. Ten plain questions about access, updates, dependencies, backups and handover so it does not become a risk.
Oct 18, 20264 min read
Security Guides
Training staff to verify a caller before acting on a request
A callback verification routine for help desk, finance and support teams facing phone based social engineering, based on CISA's advice to verify out of band.
Oct 18, 20263 min read
Security Guides
Checklist: verifying a vendor bank detail change request
A checklist for confirming vendor payment changes so a spoofed or hijacked email cannot redirect your money. Built for engineers who own the workflow.
Oct 18, 20263 min read
Security Guides
How to verify a SHA-256 checksum before installing an app
Verify a downloaded installer with SHA-256 on Windows, macOS and Linux: the exact commands, what a mismatch means, and what a matching hash does not prove.
Oct 18, 20263 min read
Security Guides
Verification checklist for AI generated references and citations
A seven step checklist to confirm that every case, paper, package or link an AI tool gives you actually exists and says what the tool claims.
Oct 18, 20263 min read
Security Guides
The vendor will not fix the vulnerability: what users can do
A product you depend on has a known flaw and no fix is coming. Options: workaround, isolation, replace, fork, accept with an end date, or go public.
Oct 18, 20263 min read
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