: The focus is on Yahoo.de accounts, likely compiled from historical data breaches rather than a single new attack.

If you suspect your information might be in such a list, take these immediate steps: Who's Been Pwned

These lists are primarily used for , where automated bots attempt to log into various websites (like banking, social media, or streaming) using the leaked email/password pairs, banking on the fact that many people reuse the same password across multiple sites. Recommended Security Actions