How “123456” became the key to almost 9 million personal records

Summary by Cyber Security News12 Oct 2026, 14:34 CEST

About this summary. This is a short, independently written summary of an article first published by Malwarebytes Labs. Cyber Security News did not report or verify the underlying story. Read the original: https://www.malwarebytes.com/blog/news/2026/10/how-123456-became-the-key-to-almost-9-million-personal-records

An attacker reportedly used a leaked password to abuse a company’s legitimate access to Denmark’s population register (CPR). The weak password is remarkable, but the failure to spot millions of unusual searches made the breach worse. The CPR administration states it identified a serious security incident.

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