Over the past few months, ransomware targeting healthcare organizations has been on the rise. While ransomware is nothing new, targeting healthcare organizations, at the extreme, can impact an organization’s ability to engage in anything from... Read more »

In my previous article, I proposed ways that modern network-derived evidence applies to the cyber kill chain—a concept created by Eric Hutchins, Michael Cloppert, and Rohan Amin that changed how security teams approach defending their digital... Read more »

When Eric M. Hutchins, Michael J. Cloppert, and Rohan M. Amin published their paper “Intelligence-Driven Computer Network Defense Informed by Analysis of Adversary Campaigns and Intrusion Kill Chains” in late 2010, they changed the way security... Read more »

As a principal security researcher on Corelight’s Labs team, I help to solve difficult network security research problems at scale. Corelight’s customers might recognize some of my work if you see the packages “VPN Insights” or “App ID” on your... Read more »

As promised, we wanted to dedicate a blog to detections and findings from the network operations center (NOC) at Black Hat Asia 2023 as a follow up to our Lessons Learned blog. Some of these discoveries may not surprise the seasoned analyst or... Read more »

While there have been many intrusions, compromises, breaches, and incidents that have made news in the IT and InfoSec industries throughout 2022 and into this year, when events or threats like Storm-0558 gain coverage by mainstream media, we often... Read more »

Trust is hard to earn but necessary for any successful relationship. As organizations build the systems to support Zero Trust, they find themselves balancing security and functionality across their operations. Incident Response and Network... Read more »

This is the second in a 2 part series on Corelight Smart PCAP. If you missed Part 1, you can find it here. In terms of unencrypted traffic, several highly used protocols lend themselves to logging and can significantly reduce the burden of packet... Read more »

Increasingly, security teams are tasked with identifying, understanding, and managing risk around devices that may live outside the traditional IT umbrella. Operational Technology (OT) refers to computing systems that are used to manage and process... Read more »