Corelight Bright Ideas Blog

This post contains a warning and a solution for anyone using BPF syntax when filtering traffic for network security monitoring. Read more »

“There is an open approach that is currently rippling across the infosec industry that could give defenders the acceleration they need.” – John Lambert (Distinguished Engineer, Microsoft) Read more »

Corelight is a powerful network traffic analysis tool that enables network detection and response (NDR) for AWS Cloud workloads by receiving packets from an AWS Virtual Private Cloud (VPC) traffic mirror and cloud packet brokers. Corelight extracts... Read more »

Having a CVE 10 unauthenticated Remote Code Execution vulnerability on a central load balancing device? That’s bad… Read more »

In support of Corelight’s latest software release, v19, we are pleased to launch our newest installment of the Corelight App for Splunk (Corelight App) and the Corelight Technical Add-on (TA). Both software packages are available on Splunkbase. The... Read more »

Some critics claim that ever growing encryption renders network security monitoring useless. This opinion is based on a dated understanding of the types and values of data collected and analyzed by computer incident response teams (CIRTs) that... Read more »

Recently, security research group JSOF released 19 vulnerabilities related to the “Treck” TCP/IP stack. This stack exists on many devices as part of the supply chain of many well known IoT/ICS/device vendors. Think 100s of millions/billions of... Read more »

Corelight recently teamed up with SOC Prime, creators of advanced cyber analytics platforms, to add support for the entire Zeek data set into Sigma, the only generic signature language that enables cross-SIEM detections from a single toolset.... Read more »

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

Some things just go well together. A privilege of working with very sophisticated defenders in the open source community is seeing the design patterns they use to secure their organizations – both technology and workflows. One of the most common has... Read more »