AlternOS

AlternOS

Data Breach

www.alternos.de/

853,143

Records Exposed

Aug 2018

Date of Breach

Database

Breach Type

Jun 2025

Added to Database

About This Breach

In August 2018, AlternOS, a now-defunct German website that provided IT services, suffered a data breach that exposed the personal data of approximately 853,143 users. The compromised information included email addresses and plaintext passwords. Storing passwords in plaintext poses a severe security risk, emphasizing the necessity for organizations to implement proper encryption techniques and robust cybersecurity protocols.

Compromised Data Types

Email Address Plaintext Password

Country

Germany

Language

German

Password Storage

Plaintext

Category

IT Services

Indexed On

Jun 4, 2025

Breach Type

Database

What Should You Do?

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  • Change your password immediately on AlternOS and any other site where you used the same password. Use a unique, strong password for each account.
  • Watch for phishing emails targeting your inbox. Attackers may use your exposed email address to send convincing scam messages.
  • Enable two-factor authentication (2FA) on all important accounts to add an extra layer of security.
  • Use a password manager to generate and store unique, strong passwords for every account.

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