Gianni Castaldi in

Gianni Castaldi

Questioner · DISC type c
Cyber Security Engineer at Freelance
📍 IJmuiden, North Holland, Netherlands

Gianni is a freelance Cyber Security Engineer and a Microsoft MVP specializing in the Microsoft Security Stack. He is the founder of KustoWorks and an expert in detection engineering, particularly with Microsoft Sentinel and Kusto Query Language (KQL), helping organizations migrate from legacy systems and tune advanced threat detection capabilities.

He is passionate about sharing knowledge within the cybersecurity community. Gianni runs the popular KustoKing. com blog and co-hosts the KQL Cafe, a community-driven event series. He is also a frequent speaker at major industry events, such as the Workplace Ninja Summit, and contributes to open-source projects.

Known in the security community as the "KustoKing, " he created this brand to share his deep expertise in Kusto Query Language.

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Experience
20 Years
Current Role
Cyber Security Engineer
Job Level
Mid-senior
Location
IJmuiden, North Holland, Netherlands
Personality Overview

How Gianni shows up

Systematic
Price-Sensitive
Cautious & Analytical

They prefer to do thorough analysis of any situation. They generally do not appreciate an overfriendly approach and prefer to stay to-the-point. While they don't hesitate to ask questions, they are generally risk-averse and tend to be late adopters.

Priorities

Topics Gianni cares about

Kusto Query Language (KQL)
He is a leading expert known as the "KustoKing, " runs the KQL Cafe show, authors a blog on the topic, and speaks frequently about mastering KQL.
Microsoft Sentinel & XDR
His Microsoft MVP award is for SIEM & XDR. His freelance work focuses on building detections, creating use cases, and delivering training for the Microsoft security suite.
+5 more topics Login to view topics
Career

Work history

6-2022
Cyber Security Engineer
Freelance
6-2022
Senior Security Engineer
Freelance
6-2022
Detection Engineer
Freelance
6-2022
Founder
KustoWorks
2-2022 - 5-2022
NinjaCat
NextFence
In the press

Media appearances

No media yetWe could not find public media appearances for this person.
Education
Education details unavailable
Kennemer College
Social presence
in
Behavioral profile

DISC profile (public)

c

Calculativeness (C)

Calculativeness (C) reflects the degree to which a person is likely to be cautious, systematic and analytical. Those scoring high tend to emphasise quality and accuracy.

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