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Understanding the prevalence of web traffic interception

Blog post from Cloudflare

Post Details
Company
Date Published
Author
Guest Author
Word Count
1,667
Company Posts That Month
37
Language
English
Hacker News Points
12
Post removed?
No
Summary

A study published at NDSS 2017 found that between 4% and 10% of web's encrypted traffic (HTTPS) is intercepted, posing serious security risks as they weaken the encryption used to secure communications. Interception products often impersonate websites without users' knowledge by adding their own "root" certificate to the computer trust store. The study also revealed that while not always malicious, web traffic is primarily intercepted for two reasons: improving security and performing malicious activities. Furthermore, HTTPS implementations used for interception do not have the same automatic update mechanisms as browsers, making fixes less likely to be rolled out.

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