Helping Threat Hunters While Staying Compliant: Categorizing and Scoring AWS CloudTrail Events in Real-Time

AWS CloudTrail is a service that "enables governance, compliance, operational auditing, and risk auditing of your AWS account." It continuously monitors accounts and it is one of the most valuable and probably the best data source for security analysis in AWS. Security and Operations teams love Cloudtrail because of the added visibility into user and resource … Continue reading Helping Threat Hunters While Staying Compliant: Categorizing and Scoring AWS CloudTrail Events in Real-Time

Using Cribl to Analyze DNS Logs in Real-Time – PART 2

In a previous post we showed how to use detect data exfiltration with Cribl in real-time. The analysis focused on checking DNS labels from DNS logs for presence of base64 encoded data. In this post we will look at several other techniques that can help security engineers add dimensions to the data to help improve the fidelity and accuracy … Continue reading Using Cribl to Analyze DNS Logs in Real-Time – PART 2

Encrypting sensitive information in real-time with Cribl

If your machine data does not contain sensitive information, you don't really need to read this - you got it all figured out. Just stop here and go back to surfing the interwebs or...maybe you want to check again?! 🙂 If you're still reading, you know that while your machine data is vital for your operations/security analytics, … Continue reading Encrypting sensitive information in real-time with Cribl

Announcing Cribl LogStream 1.3: Tap Those Pipes

If you've ever worked with a log analysis system before, data on-boarding is one of the most painful parts. Every system expects the data to look a little different, and getting that right generally involves a ton of trial and error. Make a configuration change, restart the cluster, try again. Send the data to a … Continue reading Announcing Cribl LogStream 1.3: Tap Those Pipes

Introducing Cribl LogStream v1.2

Pleased to introduce our v1.2 release focused on expanding ingestion and delivery capabilities. It continues our promise to deliver added intelligence and control over your data in real-time by adding support for new sources and destinations, Windows deployments, new functions including machine learning powered timestamp recognition, and faster lookups. New Sources Apache Kafka This version adds support for picking up data … Continue reading Introducing Cribl LogStream v1.2

Using Cribl to Detect Data Exfil Over DNS Logs in Real-Time

Update: Part 2 is now here The recent massive data breach at Marriot's newly minted SPG (Simply Phucked Guests) program got me thinking about various data exfiltration techniques, including over DNS. Probably not related to this breach, but it was a completely random thought and I realized that Cribl can help security practitioners and threat hunters … Continue reading Using Cribl to Detect Data Exfil Over DNS Logs in Real-Time

Serverless data forwarding to Cribl for AWS Services

Organizations with AWS footprint have many options to get data in to their log and event management platforms. So did we. Up until recently we were using a pull based solution supplied from one of our vendors. Data collection worked, until it didn't and we were starting to run into problems: We had to operate … Continue reading Serverless data forwarding to Cribl for AWS Services