Security Guides
How do you write a retirement plan for a legacy system?
A retirement plan turns a permanent exception into a dated path off the old system. Milestones, owners and checkpoints that survive budget season.
Oct 19, 20264 min read
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What should a legacy system inventory record contain?
Fields to capture for each legacy system so exceptions, isolation and retirement can be managed: owner, support status, connections, data and review date.
Oct 19, 20264 min read
Security Guides
Leading versus lagging indicators in vulnerability management
Lagging indicators show past results; leading ones warn of trouble early. Learn which vulnerability metrics are which and how to pair them in reports.
Oct 19, 20263 min read
Security Guides
How do you ship a patched dependency to Lambda@Edge?
Patching Lambda@Edge means publishing a new numbered version and updating the CloudFront association. Steps, plus what the Auto runtime setting covers.
Oct 19, 20264 min read
Security Guides
How should you label a CVSS score in a security advisory?
CVSS v4.0 asks publishers to label scores so readers see which metrics were used. What CVSS-B, BT, BE and BTE mean and how to write them in an advisory.
Oct 19, 20263 min read
Security Guides
How do you handle vulnerabilities on lab instrument PCs you cannot patch?
A plan for lab instrument computers stuck on old operating systems because vendor software needs them: inventory, isolate, compensate and review.
Oct 19, 20264 min read
Security Guides
How does Kubernetes detect a stuck rollout, and what then?
Kubernetes marks a stalled Deployment after progressDeadlineSeconds but does not roll back for you. See the signals, defaults and what to automate.
Oct 19, 20264 min read
Security Guides
Who can read pod logs in Kubernetes, and how do you limit it?
In Kubernetes RBAC, pod logs are a separate subresource, pods/log. Granting pods does not grant logs. How to scope log access and review who has it.
Oct 19, 20263 min read
Security Guides
How do you restrict Kubernetes images to approved registries?
Restrict images to approved registries with a ValidatingAdmissionPolicy and a CEL expression. Includes init containers, the rollout steps and the test.
Oct 19, 20264 min read
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