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Security Guides

Should a reachable vulnerability block a new dependency at intake?

Reachability helps rank risk at intake, but it should not be the only rule. Here is when to block, when to allow with a plan, and what to record.

Oct 19, 20263 min read
Security Guides

Should a legacy system be allowed to reach the internet?

Usually no. Blocking outbound traffic from an unpatchable system limits what an attacker can do after a break in. How to find real needs and set rules.

Oct 19, 20264 min read
Security Guides

Should a known exploited listing change a vendor's response priority?

A known exploited listing should shorten a vendor's notify, fix and publish clocks. Learn how to add it to triage without over relying on it.

Oct 19, 20264 min read
Security Guides

Should a health app send crash and error data to a third party?

Error trackers capture stack frames, variables and requests. Decide what leaves your systems, scrub it before sending, and review the vendor first.

Oct 19, 20263 min read
Security Guides

Should a free security scanner go through the same school approval?

Yes, per Department of Education guidance on free online services. Here is a light review path for a free scanner or plugin that keeps staff moving.

Oct 19, 20263 min read
Security Guides

Should a bot be allowed to close security tickets?

A bot can close a ticket when a rescan proves the finding is gone. It should not close on a merge, a timer or an accepted risk. A decision guide.

Oct 19, 20263 min read
Security Guides

Is Python shelve safe? Why a shelf file is really a pickle store

Python shelve stores values with pickle, so loading a shelf from an untrusted source can run code. Safer ways to keep cache and state in data pipelines.

Oct 19, 20263 min read
Security Guides

Shared tables, schemas or databases: which tenant isolation model?

Separate databases, separate schemas and shared tables each draw the tenant boundary in a different place. What each requires and how to choose among them.

Oct 19, 20264 min read
Security Guides

One person maintains our shared library: what is the plan?

If one engineer maintains a shared internal library, you have a bus factor of one. A four step plan to add maintainers, docs and a release path.

Oct 19, 20263 min read

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