Privacy Unpacked

Reported breach

Realdania data breach

DKDenmark

DR reported a data breach at Realdania (Denmark) on 13 November 2026. It affected 195,000 members.

What we know as of

Status
Reported by DR; not yet confirmed by Realdania or an authority.
People affected
195,000 members.
What was exposed
Email addresses, Phone numbers, Names and Addresses.
When
First reported 13 November 2026.
How
Hacking, through MailMak.
Realdania’s record
No earlier breach on record under this name.

Not known yet: when it began and who was behind it. This page is updated as notices and statements come in.

Every fact above has its source below. Journalists: free to quote with credit (“Privacy Unpacked data breach tracker”, with a link to this page and the date); the figures can move. Follow this breach (feed) · Every major breach · Ask us for a figure

People affected
195,000members
Reported
13 November 2026News report
Who is affected
Denmark

What was exposed 4

  • Email addresses
  • Phone numbers
  • Names
  • Addresses

How it happened

How
Hacking here unauthorized access was gained to the data source
Our translation from Danishher fik uvedkommende adgang til den data
Through
MailMak the company MailMak has been provided to be able to distribute the magazines source
Our translation from Danishvirksomheden MailMak har fået udleveret for at kunne distribuere magasinerne
Way in
MailMak the company MailMak has been provided to be able to distribute the magazines source
Our translation from Danishvirksomheden MailMak har fået udleveret for at kunne distribuere magasinerne

Sources 1

News reports are read by an AI model; every fact taken from an article was checked word for word against it, and anything it could not find was dropped. · Corrections and changes

Questions about the Realdania breach

Was Realdania hacked?

DR reported a data breach at Realdania (Denmark) on 13 November 2026. It affected 195,000 members. How it happened, by the sources: hacking, through MailMak. It has been reported but not confirmed by Realdania or an authority.

What data was exposed in the Realdania breach?

Email addresses, Phone numbers, Names and Addresses, by the notices and reports on this page.

How do I know if I was affected?

Organisations normally tell the people whose data was involved, by letter or email, and that notice says what of yours was in it. We cannot look up individual people. If you got a notice, check that it is real, then follow the steps on this page.

Is there a Realdania data breach settlement?

No settlement open for claims is on record for Realdania as of 15 November 2026. Every open settlement is listed with its deadline.

Is a letter, email or text about the Realdania breach real or a scam?

A real notice names the breach, says what data was involved and never asks for a password, a code or a payment. Criminals often send fake notices after a breach is in the news. Do not use links or phone numbers in the message: go to Realdania’s own site, or check the letter here.

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From the data breach tracker: official notices, breach databases and the news, every fact with its source. Open data (CC BY 4.0) · How the tracker works · Official registers · Corrections and changes · Accuracy audit · For journalists · Found a mistake? Tell us and we correct it.