Privacy Unpacked

Confirmed breach

Multicampus data breach

KRSouth Korea · Education · 멀티캠퍼스

Seoul Economy reported a data breach at Multicampus (South Korea) on 12 November 2026, and it has been confirmed. It affected 70,000 customers.

People affected
70,000customers
Reported
12 November 2026News report

What was exposed 1

  • Personal information

How it happened

How
Hacking Unauthorized external access was made. source
Our translation from Korean인가받지 않은 외부 접속이 이뤄졌다

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 Multicampus breach

Was Multicampus hacked?

Seoul Economy reported a data breach at Multicampus (South Korea) on 12 November 2026, and it has been confirmed. It affected 70,000 customers. How it happened, by the sources: hacking.

What data was exposed in the Multicampus breach?

Personal information, 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 Multicampus data breach settlement?

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

Is a letter, email or text about the Multicampus 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 Multicampus’s own site, or check the letter here.

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  4. Modeuideu Changup (Everyone's Startup)reportedKRSouth Korea · 12 November 2026 Email addressesPhone numbersNames 818people
  5. SM EntertainmentKRSouth Korea · 11 November 2026 Financial account and card detailsPhone numbersNames+5 –not reported

Every breach in South Korea →

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.