caching
Safeguard articles tagged "caching" — guides, analysis, and best practices for software supply chain and application security.
4 articles
A Revocation Is Not Effective Until Every Cache Agrees
You remove a vendor's IP from an allowlist and the firewall updates immediately. It does not update every client that already resolved the hostname and cached the answer, some of which will keep connecting to the old address for as long as their TTL says they may.
When the Cache Key Leaks One User's Page to Another
A personalised response cached under a key that does not include the thing that made it personal. One of the few bugs that discloses one customer's data to another with no attacker involved, and it arrives as a confused support ticket.
A 200 Does Not Prove the Page Is Reading Your CMS
We moved a few hundred pages from committed files into a content API. Every page returned 200 throughout, including the four things we broke. What to assert instead of status.
The dataloader npm Package: Security Review and Safe Usage
The dataloader npm package batches and caches data fetches, most often in GraphQL servers. Its security story is less about CVEs and more about cache scoping and how you use it.
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