Insights

Gathering insights about DEFION Security NL…

Similar companies to DEFION Security NL

DEFION Security NL Tech Stack

DEFION Security NL uses 8 technology products and services including Hotjar, Nessus, Amazon CloudFront, and more. Explore DEFION Security NL's tech stack below.

Hotjar
Analytics
Nessus
Application Security Testing
Amazon CloudFront
Content Delivery Network
Linux
Programming Languages
LogRhythm
Security Information And Event Management
Google Tag Manager
Tag Management
X-Content-Type-Options
Web & Portal Technology
Nginx
Web Servers

Media & News

DEFION Security B.V launches MDR services for SURF.
DTX and DEFION begin rolling out MDR services for SURF.
Mar 03, 2026 | defion.security

DEFION Security NL's Email Address Formats

DEFION Security NL uses at least 2 format(s):

DEFION Security NL Email Formats	Example	Percentage
FLast@computest.nl	JDoe@computest.nl	63%
First@computest.nl	John@computest.nl	16%
FMiddleLast@computest.nl	JMichaelDoe@computest.nl	17%
FirstLast@computest.nl	JohnDoe@computest.nl	4%

Frequently Asked Questions

Where is DEFION Security NL's headquarters located?

DEFION Security NL's main headquarters is located at Netherlands. The company has employees across 2 continents, including EuropeAsia.

What is DEFION Security NL's official website and social media links?

DEFION Security NL's official website is defion.security and has social profiles on LinkedIn.

What is DEFION Security NL's NAICS code?

DEFION Security NL's NAICS code is 5415 - Computer Systems Design and Related Services.

How many employees does DEFION Security NL have currently?

As of June 2026, DEFION Security NL has approximately 90 employees across 2 continents, including EuropeAsia. Key team members include Chief Executive Officer: H. R.Cfo Defion Security: T. H.Head Of Governance & Advisory: R. T.. Explore DEFION Security NL's employee directory with LeadIQ.

What industry does DEFION Security NL belong to?

DEFION Security NL operates in the Computer and Network Security industry.

What technology does DEFION Security NL use?

DEFION Security NL's tech stack includes HotjarNessusAmazon CloudFrontLinuxLogRhythmGoogle Tag ManagerX-Content-Type-OptionsNginx.

What is DEFION Security NL's email format?

DEFION Security NL's email format typically follows the pattern of FLast@computest.nl. Find more DEFION Security NL email formats with LeadIQ.

When was DEFION Security NL founded?

DEFION Security NL was founded in 1997.

DEFION Security NL

Q: What is DEFION Security NL's official website and social media links?

DEFION Security NL's official website is defion.security. DEFION Security NL has social profiles on LinkedIn.

Q: How many employees does DEFION Security NL have currently?

DEFION Security NL has approximately 90 employees.

Q: What technology does DEFION Security NL use?

DEFION Security NL's tech stack includes Salesforce, PWA, LinkedIn, Google PageSpeed, Kusto Query Language.

Q: What is DEFION Security NL's NAICS code?

DEFION Security NL's NAICS code is 5415 (Computer Systems Design and Related Services).

Computer and Network SecurityNetherlands51-200 Employees

DEFION Security NL is an independent cybersecurity provider offering end-to-end services to help organizations manage cyber risk. It uses an Active Defense approach that integrates prevention, detection, and response into a single security strategy. Beyond technical work, it provides executive-level guidance to align cybersecurity with business priorities and support informed investment decisions, while helping clients meet complex regulations such as NIS2, DORA, and CRA. 

The company is based in the Netherlands with additional offices in Spain and employs more than 100 specialists. DEFION Research Labs conducts vulnerability discovery, analyzes emerging threats, and collaborates with public partners to advance security and societal outcomes. In March 2026, the firm announced the launch of managed detection and response services for SURF, with rollout underway alongside partner DTX.