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Security Guides

How should change approval work for a shared infrastructure repository?

A layered approval model for shared Terraform, Helm, Ansible and CI repositories: owners, review rules, release tags and apply gates, with trade-offs.

Oct 19, 20264 min read
Security Guides

What is the chance at least one of my vulnerabilities is exploited?

FIRST gives a formula: one minus the product of each EPSS non-exploit chance. For 100 CVEs at 5 percent, it is about 99.4 percent. Worked steps and caveats.

Oct 19, 20264 min read
Security Guides

Should Celery workers accept pickle? Serializers for data pipelines

Celery has used JSON as its default serializer since 4.0. Why pickle is risky with untrusted clients, how accept_content limits it, and what signing adds.

Oct 19, 20264 min read
Security Guides

Is Celery's pickle serializer safe? How to lock down accept_content

Celery defaults to JSON. Pickle is unsafe with untrusted senders. Set accept_content to json, lock down the broker, and consider message signing for more.

Oct 19, 20264 min read
Security Guides

What does CC BY-SA ShareAlike mean for assets in your app?

ShareAlike applies when you adapt a CC BY-SA work: your adaptation must carry the same or a compatible license. Here is how that plays out in a product.

Oct 19, 20264 min read
Security Guides

How do you credit a CC BY icon or image in your app?

CC BY asks for appropriate credit, a license link and a note of changes. Here is what that means for icons, images and sounds in a mobile or web app.

Oct 19, 20263 min read
Security Guides

How do you treat existing suppressions when comparing scanners?

Old ignore lists make your current scanner look quiet and a new one noisy. Compare with suppressions off, then test how each tool imports decisions.

Oct 19, 20264 min read
Security Guides

What size and scope limits should a fix PR have?

Cap files, lines, directories, dependencies and daily volume for automated fix PRs. A starting table of limits and what to do when a change exceeds them.

Oct 19, 20264 min read
Security Guides

Should you canary a dependency fix before full rollout?

A canary exposes a small slice of production to a merged fix before everyone gets it. See which metrics to watch, how long to wait, and when to roll back.

Oct 19, 20264 min read

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