CONTACT US
forrester wave report 2023

Forrester rates Corelight a strong performer

GET THE REPORT

ad-nav-crowdstrike

Corelight now powers CrowdStrike solutions and services

READ MORE

ad-images-nav_0013_IDS

Alerts, meet evidence.

LEARN MORE ABOUT OUR IDS SOLUTION

ad-images-nav_white-paper

5 Ways Corelight Data Helps Investigators Win

READ WHITE PAPER

glossary-icon

10 Considerations for Implementing an XDR Strategy

READ NOW

ad-images-nav_0006_Blog

Don't trust. Verify with evidence

READ BLOG

ad-nav-NDR-for-dummies

NDR for Dummies

GET THE WHITE PAPER

video

The Power of Open-Source Tools for Network Detection and Response

WATCH THE WEBCAST

ad-nav-ESG

The Evolving Role of NDR

DOWNLOAD THE REPORT

ad-images-nav_0006_Blog

Detecting 5 Current APTs without heavy lifting

READ BLOG

g2-medal-best-support-ndr-winter-2024

Network Detection and Response

SUPPORT OVERVIEW

 

Tls 1 3

DNS over TLS and DNS over HTTPS

In this post, we’ll explore DNS over TLS (DoT) and DNS over HTTPS (DoH). Read more »

Detecting GnuTLS CVE-2020-13777 using Zeek

CVE-2020-13777 is a high severity issue in GnuTLS. In a nutshell, GnuTLS versions between 3.6.4 (released 2018-09-24) and 3.6.14 (2020-06-03) have a serious bug in their session resumption code, which lets attackers either completely decrypt... Read more »

Investigating the effects of TLS 1.3 on Corelight logs, part 3

Introduction Welcome to part 3 of my three-part series on TLS. In the previous two articles I briefly introduced TLS, and showed how Corelight would produce logs for a clear-text HTTP session. I then performed the same transaction using TLS 1.2, and... Read more »

Investigating the effects of TLS 1.3 on Corelight logs, part 2

Introduction Welcome to part 2 of my three-part series on TLS. In the previous article I briefly introduced TLS, and showed how Corelight would produce logs for a clear-text HTTP session. In this article I will perform the same transaction using TLS... Read more »

Investigating the effects of TLS 1.3 on Corelight logs, part 1

Introduction I’ve written previously about Corelight data and encryption. I wanted to know how TLS 1.3 would appear in Corelight data, and compare the same network conversation over clear-text HTTP, TLS 1.2, and TLS 1.3. In this first of three... Read more »

Recent Posts