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
- 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 July 2021, the online Indonesian watch store, Jam Tangan (AKA Machtwatch), suffered a data breach that exposed over 400k customer records which were subsequently posted to a popular hacking forum. The data included email and IP addresses, names, phone numbers, physical addresses and passwords stored as either unsalted MD5 or bcrypt hashes.
About Jam Tangan
Jam Tangan 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 435K 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 July 2021, Jam Tangan experienced a data breach that exposed approximately 435K records containing personal information.
The exposed data includes fields such as email address, full name, ip address, password, phone number.
Approximately 435K records were affected based on current breach intelligence.
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- A public-facing individual
- A high-profile executive
- A customer of Jam Tangan
- Or concerned about credential reuse
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