Gianni Castaldi

Gianni Castaldi

Kustoking and NinjaCat @ KustoWorks

Velsen-Zuid, The Netherlands


Gianni Castaldi is a NinjaCat @ KustoWorks, he started in IT in 2008 and in cybersecurity since 2017. His blogs can be read at kustoking.com and on medium.com/@giannicastaldi

He spends most of his time securing companies with the Microsoft Security Stack, Palo Alto Networks, and Tenable products and has also secured several ICS/SCADA related environments.


Area of Expertise

  • Information & Communications Technology


  • Kusto Query Language
  • Microsoft Sentinel
  • Microsoft 365 Defender
  • Microsoft Defender for Endpoint
  • Microsoft Defender for IoT
  • Microsoft Defender for Office365
  • Microsoft Defender for Cloud
  • Microsoft Defendet for Cloud Apps
  • Palo Alto Networks
  • Tenable

Versla human operated ransomware

We kennen allemaal wel een voorbeeld van een bedrijf waar een ransomware aanval heeft plaats gevonden. Tijdens deze sessie leer je hoe je de Microsoft Security stack kunt gebruiken om de aanvaller te verslaan.

Throwing KQL like a shuriken

Throwing a shuriken is a tradecraft that will be learned after practicing for many hours. The same persistence is required to learn KQL. In today's session, two highly skilled KQL ninjas will take you on a journey into mastering the KQL skill. You will learn 8 ways to use KQL and defeat your adversaries with the accuracy of a shuriken.

KQL 0 to 100 in less than 1 hour

KQL is an awesome language but sometimes it is hard to get started. Let's run through the basics and beyond, to get you in a good shape.

Dection Engineering in Microsoft Sentinel

Enabling Microsoft Sentinel is one thing, but what do we do next? Connect data, build analytic rules and create enriching automation. How can we tune analytic rules? How can we use automation to scale the deployment?

Workplace Ninja Summit 2023 Sessionize Event

September 2023 Baden, Switzerland

Experts Live Netherlands 2023 Sessionize Event

May 2023 's-Hertogenbosch, The Netherlands

Experts Live Netherlands 2022 Sessionize Event

September 2022 's-Hertogenbosch, The Netherlands

WorkPlace Ninja Summit 2022 Sessionize Event

September 2022 Luzern, Switzerland

Gianni Castaldi

Kustoking and NinjaCat @ KustoWorks

Velsen-Zuid, The Netherlands


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