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Identifying and alerting on data loss using Cloudflare Workers

Blog post from Cloudflare

Post Details
Company
Date Published
Author
Rita Kozlov
Word Count
1,041
Company Posts That Month
18
Language
English
Hacker News Points
-
Post removed?
No
Summary

The text discusses how Cloudflare Workers can be used to detect data breaches by inspecting the content of HTTP responses and identifying any leaked sensitive information such as passwords or PII. It provides an example of using a specific string, "SHHHTHISISASECRET", as canary data in the database and checking for its presence in the response body. If detected, the Worker blocks the response, notifies the client with a static block, and triggers a PagerDuty API call to alert about the potential breach. The text also mentions rate limiting using Cloudflare Rate Limiting rules based on response headers and status codes.

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