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Atmeltomo

Medium

Atmeltomo exposed 580k records including email, IPs, usernames, and unsalted password hashes.

Records exposed
580,177 records
Breach date
Breach Apr 16, 2021
Last update
Updated Aug 22, 2023

What data was exposed?

Fields reported as compromised in this breach record.

Email addressesIP addressesPasswordsUsernames

Why does this breach matter?

In-depth analysis of the breach and its implications.

In April 2021, the Japanese platform Atmeltomo, a significant online service facilitating user connections, experienced a data breach. This breach resulted in the unauthorized exposure of approximately 580,177 unique records comprising email addresses, usernames, IP addresses, and unsalted MD5 password hashes. The compromised data was subsequently distributed within online communities, signaling notable security implications for the affected users.

Impact Analysis

Understanding the scope and consequences of this breach.

User Impact
Users face potential risks such as account compromise or targeted attacks due to sensitive information exposure.
Business Impact
The breach negatively affected Atmeltomo's reputation, incurring potential customer trust issues and compliance risks.
Affected Sectors
  • Technology
  • Social Networking
Geographic Impact
  • Japan
  • Global

What You Should Do

Recommended actions to take in response to this breach.

If You Were Affected

  • Change passwords associated with Atmeltomo and other accounts using the same credentials.
  • Monitor email and online accounts for suspicious activity.
  • Enable multi-factor authentication wherever possible.

Preventive Measures

  • Obtain periodic security assessments for online platforms.
  • Use cryptographically secure hashing algorithms for storing sensitive data.
  • Enhance intrusion detection systems to promptly identify unauthorized access.

Frequently Asked Questions

Common questions about this breach and what it means for you.

Change passwords, watch for account irregularities, and enable two-factor authentication.