Insights

Cybersecurity Expansion Tesorion's recent acquisitions, including Kahuna, highlight opportunities to offer integrated security solutions and cross-sell complementary services to their expanding client base.

Threat Intelligence Growth With their own Intelligence Driven Protection team and the launch of the Tesorion Vulnerability Explorer, there is potential to provide advanced threat detection and vulnerability management tools to organizations seeking proactive security measures.

Managed Security Focus As an MSSP delivering 24/7 Managed Detection & Response services, Tesorion serves organizations needing continuous, reliable cybersecurity support, creating opportunities for upselling monitoring, incident response, and tailored security packages.

Market Differentiator Tesorion’s development of proprietary decryptors for ransomware variants demonstrates innovation in incident response, positioning them to address security challenges for entities vulnerable to ransomware attacks.

Local Presence Operating from the Netherlands with a dedicated Security Operations Center, Tesorion is well-positioned to target regional organizations prioritizing local, highly responsive cybersecurity partners.

Tesorion Tech Stack

Tesorion uses 8 technology products and services including Microsoft Clarity, FancyBox, WhatsApp Business, and more. Explore Tesorion's tech stack below.

  • Microsoft Clarity
    Analytics
  • FancyBox
    Javascript Libraries
  • WhatsApp Business
    Live Chat
  • Qualys
    Network Security
  • JavaScript
    Programming Languages
  • PHP
    Programming Languages
  • C++
    Programming Languages
  • Elasticsearch
    Search Engines

Tesorion's Email Address Formats

Tesorion uses at least 1 format(s):
Tesorion Email FormatsExamplePercentage
First.Last@tesorion.nlJohn.Doe@tesorion.nl
49%
F.Last@tesorion.nlJ.Doe@tesorion.nl
1%
First.MiddleLast@tesorion.nlJohn.MichaelDoe@tesorion.nl
1%
First.Last@tesorion.nlJohn.Doe@tesorion.nl
49%

Frequently Asked Questions

What is Tesorion's official website and social media links?

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Tesorion's official website is tesorion.nl and has social profiles on LinkedIn.

What is Tesorion's NAICS code?

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Tesorion's NAICS code is 5415 - Computer Systems Design and Related Services.

How many employees does Tesorion have currently?

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As of January 2026, Tesorion has approximately 107 employees across 2 continents, including EuropeNorth America. Key team members include Chief Executive Officer: A. D.Coo: G. W.Cto: D. J.. Explore Tesorion's employee directory with LeadIQ.

What industry does Tesorion belong to?

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Tesorion operates in the Computer and Network Security industry.

What technology does Tesorion use?

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Tesorion's tech stack includes Microsoft ClarityFancyBoxWhatsApp BusinessQualysJavaScriptPHPC++Elasticsearch.

What is Tesorion's email format?

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Tesorion's email format typically follows the pattern of First.Last@tesorion.nl. Find more Tesorion email formats with LeadIQ.

When was Tesorion founded?

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Tesorion was founded in 2018.

Tesorion

Computer and Network SecurityUtrecht, Netherlands51-200 Employees

Tesorion is een Nederlandse, onafhankelijke Managed Security Services Provider (MSSP). Tesorion levert private en publieke organisaties hoogwaardige 24/7 Managed Detection & Response (MDR) diensten vanuit het Tesorion Security Operations Center (T-SOC) in Leusden. 
De kwaliteit van de MDR-dienstverlening van Tesorion wordt verrijkt door het eigen Intelligence Driven Protection (IDP) team en het Computer Emergency Response Center (CERT), die respectievelijk contextuele threat intelligence (TI) en incident response (IR) diensten leveren. 

De volledige dienstverlening van Tesorion is daarmee gericht op het vergroten van de cybervolwassenheid van haar klanten en de risico’s op cyberincidenten te minimaliseren.

Section iconCompany Overview

NAICS Code
5415 - Computer Systems Design and Related Services
Founded
2018
Employees
51-200

Section iconFunding & Financials

  • $1M$10M

    Tesorion's revenue is estimated to be in the range of $1M$10M

Section iconFunding & Financials

  • $1M$10M

    Tesorion's revenue is estimated to be in the range of $1M$10M

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