Data breach

Jam Tangan data breach

434,784 accounts · breached July 6, 2021

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.

Description by Have I Been Pwned

What data leaked

  • Email addresses
  • IP addresses
  • Names
  • Passwords
  • Phone numbers
  • Physical addresses

What to do if you had an account

  1. Change the password. Change your password on this service. If you used the same password anywhere else, change it there too: attackers try leaked email and password pairs on other sites automatically. A password manager makes one unique password per site practical.
  2. Turn on two-step sign-in. Enable two-factor authentication where the service offers it, preferably with an authenticator app or a passkey. A leaked password alone is then not enough to get in.
  3. Expect targeted phishing. Leaked contact details are used to write convincing fake messages that mention the breached company or your real name. Do not click links in unexpected emails or texts about this account; go to the site by typing its address.
  4. Watch for scam calls and SIM swaps. Be suspicious of calls and texts that claim to be from your bank or a courier. Ask your mobile operator for a port-out or SIM-change PIN if it offers one.

Check your email at haveibeenpwned.com

We do not run email lookups ourselves. The search is done on haveibeenpwned.com, the service this list comes from.

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