What was exposed, when it happened, and which databases confirm it.
- accounts
- 12,957,568
- Breached
- July 6, 2021
- Last Update
- November 27, 2023
Were you caught in this breach?
Search your email, phone number or username against every record CheckLeaked indexes.
Your address never leaves this page: it is hashed in your browser and only a short fragment of that hash is sent.
What happened
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.
Compromised Info
- Email addresses
- IP addresses
- Names
- Passwords
- Phone numbers
- Physical addresses
Attestation
Four independent databases catalog this breach and they do not always agree. Each lane below is one source’s own count.
12,522,784 accounts DEHASHED reports beyond HIBP
Sources & Link Methods
- LeakCheck— linked via automatic string matching
- Dehashed— linked via AI direct match to LeakCheck (90% confidence)
- HIBP
FAQ
What was leaked in the JamTangan breach?
The JamTangan breach exposed: Email addresses, IP addresses, Names, Passwords, Phone numbers, and Physical addresses.
When did the JamTangan breach happen?
The JamTangan breach was disclosed on July 6, 2021 and affected 12,957,568 records.
Am I affected by the JamTangan breach?
Search your email, phone or username at checkleaked.cc to find out whether your data appears in the JamTangan leak.