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KA

Kayo.moe Credential Stuffing List

High

In September 2018, a credential stuffing list with 42 million records was discovered and reported.

Records exposed
41,826,763 records
Breach date
Breach Sep 11, 2018
Last update
Updated Sep 13, 2018

What data was exposed?

Fields reported as compromised in this breach record.

Email addressesPasswords

Why does this breach matter?

In-depth analysis of the breach and its implications.

In September 2018, a data set containing approximately 42 million email address and plaintext password combinations was uploaded to the cloud platform kayo.moe. This collection was identified as a credential stuffing list, which compiles harvested credentials from multiple different prior data breaches. The operator of kayo.moe informed Have I Been Pwned (HIBP) of the data upon its discovery.

Impact Analysis

Understanding the scope and consequences of this breach.

User Impact
Exposed users faced an increased risk of unauthorized account access through credential stuffing attacks.
Business Impact
Organizations faced targeted brute-force attacks leveraging the credential list.
Affected Sectors
  • Technology
  • Finance
Geographic Impact
  • Global

What You Should Do

Recommended actions to take in response to this breach.

If You Were Affected

  • Immediately change your password to a strong, unique one for the affected account.
  • Enable multi-factor authentication on all your accounts.

Preventive Measures

  • Regularly update and diversify your passwords.
  • Utilize password management tools to ensure unique passwords per account.

Frequently Asked Questions

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

Use breach monitoring services like Have I Been Pwned, and change your credentials immediately.