S21sec

s21sec.com

computer & network security

s21sec.com

Orcoyen, Navarra, Spain

201-500 employees

62000000 revenue

LinkedIn Profile

About S21sec

cybersecurity experts & expertos en ciberseguridad, thales group, cybersecurity, cert, regulatory compliance, b2b, industrial cybersecurity, ethical hacking techniques, financial services, risk assessment, transportation, cybersecurity provider, managed security services, industrial cybersecurity standards, cybersecurity services, government, threat detection automation, modular cybersecurity services, cybersecurity industry, services

S21sec's Tech Stack

9 technologies detected · 4 decision makers · Emails available

Sales Outreach Angle

WordPress as a CMS signals a content-driven or SMB digital presence. SEO tools, hosting solutions, and page-builder plugins are natural fits for outreach.

S21sec's Position in the StackWho Database

• S21sec is 1 of 4,889 computer & network security companies tracked in StackWho.
• 4,875 computer & network security companies in our database have verified decision-maker emails (100% of the cohort).
• 13 companies in Navarra are in the StackWho database.
• 134 computer & network security companies are in the 201-500 employee range (same size as S21sec).

Technology detection from public web signals. Decision-maker contacts compiled from LinkedIn public profiles, company filings, and verified outbound testing. Methodology & sources · Updated August 2026.

Frequently Asked Questions

What technology does S21sec use?

S21sec uses Outlook, Google Cloud Hosting, Facebook Login (Connect), Google Tag Manager, Google Font API, WordPress.org, and 3 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at S21sec?

StackWho has verified email addresses for 4 decision makers at S21sec. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach S21sec directly for sales, recruiting, or partnerships.

What industry is S21sec in?

S21sec operates in the computer & network security industry, headquartered in Orcoyen, Navarra, Spain. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export S21sec's contact data?

Yes. StackWho Pro members can export decision maker contact data for S21sec and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.