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Weak password exposes Denmark's population register
A former employee's account was used to pull CPR data on about 8.8 million people.
- Organisation
- Denmark CPR register
- Disclosed
- 12 October 2026
- Affected
- 8,800,000
- Data
- Names, addresses, CPR numbers
- Attacker
- Unknown
- Severity
- critical
- Region
- Global
- Source
- CM Alliance monthly roundup ↗
Cite this
Nuffield Consulting, “Weak password exposes Denmark's population register”, The Daily Tech Wire outage & breach log, 12 Oct 2026. https://techwire.nuffieldconsulting.com/incidents/2026-10-12-denmark-cpr-register-breach/ (retrieved 15 Nov 2026).
This entry summarises public reporting. Please also cite the original source: CM Alliance monthly roundup, https://www.cm-alliance.com/cybersecurity-blog/biggest-cyber-attacks-data-breaches-ransomware-attacks-october-2026.
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