Blog Post

September 14, 2023

Announcing the Team Threat Hunting Project

Kestrel as a Service The Open Cybersecurity Alliance (OCA) is excited to announce the next milestone of the Kestrel subproject, Kestrel as a Service (KaaS).  KaaS enables threat hunting at scale to improve threat detection.   It is a Kestrel container and a deployable cloud-managed hunting service for large organizations. The project provides the code and instructions for deploying a […]
July 11, 2023

Kestrel Data Retrieval Explained

Kestrel provides a layer of abstraction to compose hunt-flows with standard hunt steps that run across many data sources and data types. This blogs overviews how data is retrieved, processed, and stored in Kestrel, and explains the 10x data retrieval performance improvement through Kestrel 1.5, 1.6, and 1.7.
June 15, 2023

End-to-end Testing for Cyber-Security Applications

Announcing the Federated Search End-To-End Testing GitHub Repository and its first CI/CD usage for Kestrel, a federated search application. Read on.
May 22, 2023

OCA Breakfast at RSA 2023

In conjunction with RSAC, the Open Cybersecurity Alliance (OCA) hosted a breakfast event on Wednesday, 26 April. With over 200 people that signed up, the meeting was a mix of short presentations and lively discussions. Here are a few impressions from the event. If you are interested in learning more about OCA, or would like to get involved, you can find links […]
May 10, 2023

Machine Readable Representation of Adversary Behavior (video)

The OCA Indicators of Behavior (IOB) Project works to represent patterns of behavior associated with malicious cyber activity. Check out the overview video.
April 28, 2023

Detecting Malicious Remote Authentication Requests Using Graph Learning

This article introduces a new Kestrel analytics which detects lateral movement using graph learning.
February 27, 2023

A Kestrel Analytics to Detect Lateral Movement

Given the dramatic rise in number of cybersecurity attacks in the recent years, threat hunting is very important to secure businesses and enterprises. This post discusses a new approach to detect lateral movement and shows how this approach can be applied on the data read using STIX-Shifter in the Kestrel threat hunting platform.
February 15, 2023

Introducing the Indicators of Behavior (IOB) Sub-Project

Recently, the Open Cybersecurity Alliance announced that our Indicator of Behavior (IOB) Working Group has transitioned to an official sub-project within the Alliance. I wanted to share a little bit about this effort and explain why we want you to join us. The main goal of the IOB effort is to create a standard way to represent cyber adversary behaviors […]