On March 22, 2025, French publishing house Groupe Delcourt appeared on the leak site of the ransomware group known as hunters, with the attackers confirming they had both exfiltrated and encrypted internal company files.
Already exposed?
You can’t unleak data. You can take away what it’s worth.
A leaked record is where it starts, not where it ends. What turns it into your front door is the look-up sites publishing your address beside your name — and those are what an AI reads when somebody asks about you. The free scan shows you both. We write to 580 companies.
See what is exposed about you — free scan →Watch Groupe Delcourt
Get alerted the next time Groupe Delcourt files a breach with any US regulator — the filing, dated and sourced. A free single-company slice of Signals; no account needed.
We’ll email you only about Groupe Delcourt’s future breach filings and how to watch a whole vendor list — not general marketing. Unsubscribe any time.
Watching your whole vendor list (50 to 500 companies, by tier) is GalaxyWarden Signals.
What Public Reporting Shows
Public reporting indicates that hunters posted Groupe Delcourt to their dark-web leak portal, listing the company among recent victims. The entry states that data was successfully exfiltrated prior to encryption of the victim’s systems. No specific volume of records or exact list of exposed file types has been publicly detailed beyond the broad description of “internal files.” At the time of writing, the precise number of individuals whose personal information may be contained in those files remains unknown.
Available reporting describes the incident as a classic ransomware double-extortion case: the group first gains access, removes copies of sensitive data, deploys encryption to lock the victim out, and then threatens public release of the stolen material unless a ransom is paid. The hunters leak site entry for Groupe Delcourt carries the standard countdown format used by the group, although the precise deadline has not been independently verified in open sources.
Why This Matters for You and Your Family
When a company that holds customer, supplier, or partner records is breached, the information inside those “internal files” often includes names, addresses, email accounts, phone numbers, dates of birth, and sometimes payment details. If your family has ever bought books, subscribed to a Delcourt imprint, attended an event they organized, or had any business relationship with the publisher, your details could be among the exfiltrated material.