Gianni Castaldi

Questioner
DISC Type : c

Cyber Security Engineer at Freelance

IJmuiden, North Holland, Netherlands

Overview

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.

Personality Overview

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.

Topics They Care 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.
AI in Security
He explores moving beyond basic AI to scale Security Operations Centers (SOCs) with reliable AI agents and discusses the practical application of tools like Security Copilot.

Media Appearances

Gianni has no verified media appearances

Work History

6-2022
Cyber Security Engineer at Freelance
6-2022
Senior Security Engineer at Freelance
6-2022
Detection Engineer at Freelance
6-2022
Founder at KustoWorks
2-2022 - 5-2022
NinjaCat at NextFence

Education

Education details unavailable from Kennemer College

More Information

Social Presence :

Prographics :

Exp : 20 Location : IJmuiden, North Holland, Netherlands Job Level : Mid-senior Designation : Cyber Security Engineer at Freelance
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Insights For Selling To Gianni

During A Call Or A Meeting

DO's

  • Emphasise more on facts and measurable benefits
  • Share as much information as possible regarding your product
  • Keep some extra margin in hand as they will likely negotiate the pricing

DONT's

  • Avoid rushing them, be polite and patient
  • Don’t try to be too friendly or informal with them
  • Don’t overhype the product/pitch, keep it measured

When Cold Calling

When Writing An Email

While Negotiating & Closing

    The secret to closing fast with Gianni is

  • Ensuring that the product delivers ROI, cost-effective pricing and process compliance are very important for them.
  • Will you ever get a clear answer from Gianni

  • It doesn’t come naturally to them but they can say no if they are not convinced.

Insights For Deal Planning

    How fast (or slow) will Gianni move?

  • If they have the information that they need, they can move fast at making their decisions.
  • Can Gianni take some risk or not?

  • They can take some risk if they are confident that they have analyzed the circumstances well.


You And Gianni

Personality Compatibility


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