Network Detection Response

Editor's note: This is the second in a series of Corelight blog posts focusing on evidence-based security strategy. Catch up on all of the posts here. Read more »

Editor’s note: This is the second in a series of posts we have planned over the next several weeks where we explore topics such as network security monitoring in Kubernetes, using sidecars to sniff and tunnel traffic, show a real-world example of... Read more »

Now available: A free and easy way to learn about Humio and Corelight. Read more »

Editor’s note: This is the first in a series of posts we have planned over the next several weeks. We will explore topics such as network monitoring in Kubernetes, using sidecars to sniff and tunnel traffic, show a real-world example of detecting... Read more »

Editor's note: This is the first in a series of Corelight blog posts focusing on evidence-based security strategy. Catch up on all of the posts here. What matters most in a criminal trial? Evidence. Everything depends on the quality and depth of... Read more »

We recently discussed some methods for detecting the Log4j exploit, and we’ve now developed another method that everyone running Zeek® or a Corelight sensor can use. Our new approach is based on the rarity of legitimate downloads of Java via LDAP.... Read more »

CISA recently released a set of playbooks for the Federal Civilian Executive Branch (FCEB) to provide improved cybersecurity incident response (IR) and vulnerability response. As was demonstrated by the SolarWinds SUNBURST attack in December 2020,... Read more »

On its surface, CVE-2021-42292 doesn’t look like the kind of vulnerability that a network-based tool can find reliably. Marked by Microsoft as a local file format vulnerability, security veterans would expect that between encryption and encoding,... Read more »