Impact & Downstream Threats
This breach carries high risk due to the nature of exposed data fields and the scale of affected records.
- 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
Breach Intelligence
Executive Summary
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.
About Ajarn
Ajarn is an organization whose data was exposed in this breach. The dataset has been verified by ObscureIQ intelligence and indexed across breach notification platforms.
Data Points Exposed
Dark Web Verification
Status: Confirmed
- Dataset containing approximately 266K records identified in breach intelligence sources.
- The data is indexed and searchable across breach notification platforms.
Recommended Actions
⚠️ Do not assume this is low sensitivity.
Non-clients may request a breach impact review.
Frequently Asked Questions
In December 2018, Ajarn experienced a data breach that exposed approximately 266K records containing personal information.
The exposed data includes fields such as date of birth, education information, email address, full name, gender.
Approximately 266K records were affected based on current breach intelligence.
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- A public-facing individual
- A high-profile executive
- A customer of Ajarn
- Or concerned about credential reuse
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