Security Guides
Is staying on an old major version ever the right call?
Staying on an old major version can be fine for a short, planned time if it is supported and you have controls. Here is how to decide and what to record.
Oct 19, 20264 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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Is SSH agent forwarding safe? What the OpenSSH manual warns about
Agent forwarding lets a remote host use your local SSH keys. OpenSSH says to enable it with caution. Here is the risk and what to do instead.
Oct 19, 20264 min read
Security Guides
Is security patching included in a software maintenance contract?
Do not assume maintenance covers security fixes. Check what is in scope, which versions, who installs, and what happens when support lapses.
Oct 19, 20264 min read
Security Guides
Is Ruby 3.2 end of life? What ruby-lang.org lists and what to plan
Ruby 3.2 is marked end of life on ruby-lang.org as of April 2026. Dates for 3.3 and what to record in your Rails or Ruby dependency inventory.
Oct 19, 20264 min read
Security Guides
Is it safe to render someone else's notebook with nbconvert?
Converting a notebook to HTML does not run its cells, but rendered output can carry script. The Jupyter CSP sandbox setting confines it. What to check.
Oct 19, 20263 min read
Security Guides
Is Rails 7.2 end of life? What the maintenance page lists
Rails 7.2 is not on the maintenance page's supported list, which names only 8.0 and 8.1. What that means for your app and how to plan the move.
Oct 19, 20264 min read
Security Guides
Is pull request review your vulnerability remediation bottleneck?
Fixes that wait days for review are a capacity problem, not an engineering one. How to confirm review is the bottleneck and ways to shorten the queue.
Oct 19, 20263 min read
Security Guides
Is PowerShell execution policy a security boundary?
No. Microsoft calls execution policy defense in depth, and says users can bypass it by typing script contents. What it is for, and what to rely on instead.
Oct 19, 20263 min read
Security Guides
Is pip's trusted-host option safe? What it actually turns off
Trusted-host tells pip to accept a host without valid HTTPS. It is a fix for certificate errors that creates a bigger hole. Safer fixes are below.
Oct 19, 20264 min read
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