KEVWire

Security intelligence, with context.

Response snapshot Oct 27, 2026, 03:19 UTC

Back to the wire
Permalink
Disclosed incidenthibp-questel

Questel breach: 1,226,209 accounts exposed

In August 2026, the French intellectual property software and services company Questel was the target of a ShinyHunters "pay or leak" extortion campaign .

At a glance

Sources
1 source

What to do

If you or your organization used this service, change reused passwords, watch for phishing that uses the exposed data, and check the disclosure for the organization's guidance.

Read Have I Been Pwned: Questel (opens a new tab)

What happened

In August 2026, the French intellectual property software and services company Questel was the target of a ShinyHunters "pay or leak" extortion campaign . The group subsequently published an extensive corpus of data they alleged was obtained from the company, largely comprising corporate contact information associated with sales leads, support cases and marketing activities, with 1.2M unique email addresses.

The data also included names, employers and job titles, along with physical addresses and phone numbers.

Related technology

Sources

  1. Primary source

    Have I Been Pwned: Questel (opens a new tab)

    Verified breach loaded into Have I Been Pwned: account count, exposed data types, and dates.

    Published Checked

  2. Primary source

    Have I Been Pwned breach API (opens a new tab)

    The breach list that supplied this entry.

    Published Date not suppliedChecked

Cite this record

For factual claims, cite the primary sources above; cite KEVWire for its compilation, dates, and classifications.

APA

KEVWire. (2026, September 1). Questel breach: 1,226,209 accounts exposed. https://kevwire.com/record/hibp-questel

MLA

"Questel breach: 1,226,209 accounts exposed." KEVWire, 1 Sept. 2026, kevwire.com/record/hibp-questel.

Chicago

KEVWire. "Questel breach: 1,226,209 accounts exposed." Last modified September 1, 2026. https://kevwire.com/record/hibp-questel.

Evidence summary (plain text)

Questel breach: 1,226,209 accounts exposed (Sep 1, 2026).
In August 2026, the French intellectual property software and services company Questel was the target of a ShinyHunters "pay or leak" extortion campaign . The group subsequently published an extensive corpus of data they alleged was obtained from the company, largely comprising corporate contact information associated with sales leads, support cases and marketing activities, with 1.2M unique email addresses. The data also included names, employers and job titles, along with physical addresses and phone numbers.
Sources:
Have I Been Pwned: Questel: https://haveibeenpwned.com/Breach/Questel
Have I Been Pwned breach API: https://haveibeenpwned.com/api/v3/breaches
Record ID: hibp-questel.
Record origin: Ingested record.
AI evidence: Not assessed.
About this data

This record was ingested from a data source. Retrieved: Oct 27, 2026, 02:25 UTC. Ingestion is not an independent editorial investigation.

Verified by Have I Been Pwned. Breach date: 2026-08-01; loaded 2026-09-01. Exposed data: Email addresses, Employers, Job titles, Names, Phone numbers, Physical addresses, Support tickets. Counts are accounts in the loaded data, not necessarily distinct people.

Technology tags indicate possible relevance, not verified exposure. Confirm the affected product, version, and configuration against your own inventory; KEVWire does not scan your systems.

A personal reading checklist on this device, not verified remediation.

Record JSON

Your account

Email alerts

Email alerts are not available yet. To follow your stack today, use its RSS feed, which honors your filters, or connect an AI agent through the API.

Suggest an improvement

Ideas, missing sources, corrections, and bugs are all welcome. No account needed. Suggestions are reviewed by a person before anything changes.

Record details

Record detail