Stealien
Application SecuritySeoul, South Koreafounded 2015private
Stealien is a cybersecurity company specializing in Application Security, founded in 2015 and headquartered in Seoul, South Korea. It employs about 54 people and is privately held.
updated Oct 3, 2026
Latest Stealien news and company activity
What Stealien did, dated — selected moves from the record, one per kind, newest first.
- Sep 2026RecognitionStealien AI Agent Tops APEX 2026 International Cyber Exercise
- Aug 2026PartnershipStealien Completes Cybersecurity Faculty Training Program in Indonesia
- May 2026Product launchStealien Launches AI-Powered Vulnerability Analysis Solution 'AlienRay'
4 events tracked since May 2026 · selected events shownUnlock the complete Stealien timeline
Stealien Momentum score
61/ 100
Mandos Momentum blends hiring, funding, traffic and sentiment into one score out of 100. The score is free; the pillars behind it unlock in the platform.
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Stealien employees and hiring
Stealien has about 54 employees, down 4% over the last 30 days.
- Employees
- 54
- 30-day change
- -4%
- Open roles
- 0
The other 440 data points.
- Funding historyevery round, every investor named
- Headcount growthvelocity, departments, seniority
- Open jobslive postings, hiring pace, role mix
- Tech stackframeworks, clouds, security
