Blog

Ingestion delay variance issues with Bins and Buckets

I’m pretty sure you’ve already dealt with the ingestion delay issue if you use a SIEM with scheduled rules. There are numerous articles on the internet that explain how to handle ingestion latency without …

How to stop cross-tenant log forwarding? (you cannot)

You may want to forward Azure resource logs to a different tenant from time to time. Fortunately, using the Diagnostic settings option in Azure to forward -at least some of the- logs to another tenant is quite simple. I …

Automated Archiving configuration with Function App

Archiving is a fairly new feature in Sentinel that was introduced to help you decrease the cost of your long-term data retention for events that are not used or only rarely used. Previously, you either retained your data …

Ingestion-Time Data Transformation in Sentinel

Lately, each month, I see a new feature from Microsoft that I think is going to be a game-changer for Sentinel. And again, there is a new one that was introduced a month ago, and I think it could be a feature that moves …

The hidden dangers of NFTs

“NFT” was the buzzword in the crypto scene in the last few years. The technology is new, and an incredible number of new and inexperienced people have started to work with it. The huge developer community in …

Near-Real-Time rule restrictions

Near-Real-Time (NRT) rule is a pretty new addition to Microsoft Sentinel. There are already blog posts out there detailing the functionality of this rule type and explaining in which scenarios it can be useful. There is …

HoneyDoc with Azure and Remote Template Injection

This post is to show you a practical implementation of a prototype honeytoken which is based on Remote Template Injection and Azure Function App. There are lots of honeytoken solutions on the market. You can find free …

Sentinel Connector Health monitoring

When you deal with logs and events in an environment you have to ensure that your log sources and forwarders are up and running. Monitoring the health of these devices is crucial. You can have the best SOC team in the …

Sentinel rule deployment with missing tables

If you deploy Sentinel daily, you possibly have a step-by-step process you follow to maximize your efficiency. A process like this is needed to be effective and to be able the make your setup reliable and repeatable. …