Top 10 winner

Covert Timing Channels based on HTTP Cache Headers

Covert Timing Channels Based on HTTP Cache Headers (Special Edition for Top 10 Web Hacking Techniques of 2014)

Denis Kolegov, Oleg Broslavsky and Nikita Oleksov · SlideShare

Covert channels built from HTTP cache validation headers: two parties encode bits by whether Last-Modified or ETag changes within a timed window, read back through If-Modified-Since, If-Unmodified-Since, If-Match and If-None-Match.

Record

Document

Covert Timing Channels Based on HTTP Cache Headers (Special Edition for Top 10 Web Hacking Techniques of 2014)

Researcher

Denis Kolegov, Oleg Broslavsky and Nikita Oleksov

Published by

SlideShare

Format

Slides

Topic

HTTP

In the archive

• Ranked #10 in the 2014 Top 10 Web Hacking Techniques

Tags

• side-channel
• timing-attack
• cache
• http
• info-leak
• javascript
• tooling

This page is the archive's own catalogue record. The research is the work of Denis Kolegov, Oleg Broslavsky and Nikita Oleksov, first published at the original source. Preserved copies are kept so the citation survives its host; this one was last captured on 10 September 2026.