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Security Guides

Should you scan the default branch or release branches when comparing?

The default branch shows tomorrow's risk and release branches show what customers run today. Include both in a scanner comparison. Here is how.

Oct 19, 20264 min read
Security Guides

Dedicated runners for privileged CI jobs: how to isolate them

If a CI job needs privileged containers, run it on dedicated, isolated, ephemeral machines limited to protected branches. Here is the setup in steps.

Oct 19, 20263 min read
Security Guides

How do you decommission old repositories after a monorepo migration?

After a monorepo move, old repos keep secrets, webhooks and deploy keys. Remove those first, then archive, redirect and record what you retired.

Oct 19, 20264 min read
Security Guides

Security fix or feature? A one-page decision memo template

Use this one-page decision memo to settle a security fix versus feature tradeoff with facts, options and an owner, instead of debating it in a meeting.

Oct 19, 20264 min read
Security Guides

Why does my patched Debian package still show an old version number?

Debian and Red Hat backport security fixes, so a patched package keeps its old upstream version. Learn how to check a fix really landed before you panic.

Oct 19, 20264 min read
Security Guides

What database privileges does a Debezium PostgreSQL connector need?

Debezium for PostgreSQL needs a dedicated replication user, not a superuser. Here are the documented privileges and what to check for publications.

Oct 19, 20263 min read
Security Guides

Why does a Debezium replication slot fill the database disk?

A Postgres replication slot keeps WAL until the connector confirms it. Quiet captured tables can let WAL grow. Heartbeats and monitoring address it.

Oct 19, 20264 min read
Security Guides

Deactivate, delete or uninstall a WordPress plugin: what stays behind?

Deactivating keeps plugin files on disk, and deleting runs the plugin's cleanup code. See what remains in files and database and how to retire a plugin.

Oct 19, 20264 min read
Security Guides

What is the day one dependency security checklist for a new service?

Ten items to verify in the first hour of a new service so dependency security is in place before the first release: inventory, lockfile, updates, gates.

Oct 19, 20264 min read

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