---
title: "OWASP Delaware Chapter Event: Security and Compression"
description: Learn about cybersecurity risks of using compression in a web context from Lucas Driscoll's talk at the OWASP Delaware Chapter Event. Discover attacks like CRIME and BREACH, and how to mitigate them.
image: https://palindrometech.com/hubfs/OWASP%20Delaware.jpg
---

# OWASP Delaware Chapter Event: Security and Compression

[![Picture of Palindrome Technologies](https://palindrometech.com/hubfs/Logos/PalindromeTech_logoFlat_icon_hi.png) Palindrome Technologies ](https://palindrometech.com/news-events/author/palindrome-technologies) :  Apr 21, 2024 10:03:26 PM

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![OWASP Delaware Chapter Event: Security and Compression](https://palindrometech.com/hubfs/OWASP%20Delaware.jpg)

Lucas Driscoll presents *"Security and Compression", *a talk on the cybersecurity risks caused by using compression, especially in a web context. Lucas reviews the basic mechanics of attacking a scheme where text is compressed and then encrypted, the attacks that have been discovered in practice, and mitigations against them.  
This relates to attacks against TLS, such as Compression Ratio Info-leak Made Easy (CRIME) and BREACH (Browser Reconnaissance and Exfiltration via Adaptive Compression of Hypertext). You can find more information [HERE](https://www.meetup.com/owasp-delaware-chapter/events/300190943/)

6PM-8PM

Route 9 Library & Innovation Center, 3022 New Castle Ave · New Castle, DE

The meeting will be held in the library's computer lab to encourage attendee hands-on web security testing experience.

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