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Listed on a ransomware leak site

St Stephen's International

sis.edu

St Stephen's International was listed on the The Gentlemen leak site on Nov 4, 2025. Information as of Oct 19, 2026.

Country: ThailandIndustry: Unknown
Updated continuously · figures as of Oct 19, 2026
Claimed by
The Gentlemen
First listed
Nov 4, 2025
Claims recorded
1

Leak-Site Claim.

The GentlemenConfirmed claim
Posted on the leak site
Nov 4, 2025
Collected by Brandefense
Nov 4, 2025
Data claimed
Not stated
Leak-site post text, written by the group
[removed] [removed] St Stephen's International School offers educational programs at its Bangkok and Khao Yai campuses, catering to a diverse student population. The school provides weekend schooling and various camps for groups, aiming to enhance the educational experience. It is associated with several organizations including Ocean Glass, Ocean Property, and Bandara Group. The institution focuses on fostering an international learning environment for its students.

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Figures as of Oct 19, 2026. Confirmed leak-site claims collected by Brandefense technologies and validated by Brandefense analysts.

Listed on a leak site means a ransomware group has claimed the company; it is not a confirmed breach. To request a correction or removal, contact Brandefense.