Education / Education
An english language teaching website.
The Breach Risk Index (BRI) is a proprietary 0–100 score rating how dangerous a breach is right now, based on how recently the data has been circulating on the dark web and how valuable it is to attackers.
In September 2021, the Thai-based English language teaching website Ajarn discovered they'd been the victim of a data breach dating back to December 2018. The breach was self-submitted to HIBP and included 266k email addresses, names, genders, phone numbers and other personal information. Hashed passwords were also impacted in the breach.
Full threat analysis, exploitation vectors, and principal guidance below.
10 additional sections · verified field analysis · defensive doctrine
266K records analyzed
Ajarn is an english language teaching website.
Ajarn is an english language teaching website. Services like this typically hold dates of birth, education, email addresses, names, gender, location data, job application data, nationality, passwords, phone numbers, profile photos, relationship status through account registration and normal operations.
The Ajarn dataset circulated publicly; treat as part of the standing exposure landscape.
The exposure of credentials alongside personal data heightened account-takeover and reuse risk for Ajarn users and drew scrutiny of its data protection.
• Credential stuffing against reused passwords across other platforms | • Identity verification bypass using name + date of birth combination | • SIM swap attacks where phone numbers are present | • Targeted phishing campaigns using exposed email addresses | • Doxxing risk from physical address exposure
An education-sector breach: student, staff and identity records support identity theft and targeted phishing. For a high-profile principal the main risk is credible impersonation and enrichment of existing exposure.
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