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Data leak suspected: What steps can help now

After a suspected data breach, account protection and specific information about the incident should first be secured.

As of: November 2026Official sources linkedNo legal advice

This page is an automatically translated test version. Check legal details against the original German publications of the Austrian authorities. This is not legal advice. German original

What you can do now first

If there are indications of misuse, change affected access data and activate secure login procedures.

Step by step: This is how you proceed

  1. Document suspicious notifications and times.
  2. Ask the company concerned about the data processed about you and, if applicable, the incident reported.
  3. Check carefully whether identity data has been misused.
  4. If you have acute fraud or legal problems, contact the relevant authorities.

What documents do you need?

Notifications, timestamps, affected services; Do not enter passwords in DATACHECK. Only send sensitive documents via a secure, official channel and only when actually necessary.

When should I act?

In the event of acute account or card misuse, immediately take appropriate protective measures.

This limit is important

A data leak does not prove identity theft. DATENCHECK is not an emergency service for IT security incidents.

Free help outside DATENCHECK

Independent mediation may help with some consumer disputes. For data protection matters, the Austrian Data Protection Authority is the official contact.

Check the official body and eligibility ↗

Check the applicable remit and eligibility criteria. A GDPR request does not automatically suspend court or other important deadlines.

What can I do myself for free?

The statutory information and other rights of those affected can generally be exercised without DATA CHECK. The Austrian data protection authority offers samples that can be used free of charge. Private technical form preparation is only a voluntary additional service, not a prerequisite for exercising your rights.

According to the recommendation of the Austrian data protection authority, you should first request information and, if necessary, only then separately request correction or deletion. In principle, a request for information must be responded to within one month; a legally permissible extension is possible.

Frequent question

Should I submit a deletion request first?

In the event of security risks, account protection and clarification of the facts take priority; The appropriate data protection request follows afterwards.

Public sources and official contact points

The following links lead directly to public sources. DATENCHECK is neither affiliated with the credit agencies mentioned there nor is it an authority.

General information, no legal assessment of individual cases. In the event of legal, contractual or other urgent deadlines, authorized specialist advice must be sought in a timely manner. The steps described here do not replace compliance with deadlines.

Prepare appropriate request

You can use the free official channels yourself or prepare a technical draft form in DATENCHECK. We do not guarantee deletion, credit decision or government decision.

Private service · No legal advice · No government connection