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Safe demonstration with simulated results

Find out if your data was exposed. Before someone can use it.

Supports email, domain, national ID, phone, card, or postal code. Checks your own exposure with simulated data in this prototype.

three-step security

How to check your exposure responsibly

The flow is designed to check only the owner and reveal the minimum information needed to guide action.

  1. 1

    Enter an identifier

    Enter the value you want to check. Validation happens without building a profile about you.

  2. 2

    Confirm ownership

    The prototype asks for confirmation before continuing and does not support searches by name or for third parties.

  3. 3

    Prioritize actions

    Receive a score, affected categories, and a practical checklist—not the exposed content.

What the result shows

Incident name, period, potentially affected data categories, severity, exposure score, and recommended actions. Until a live source is connected, all scenarios are fictional and deterministic.

What we never show

Passwords, identity numbers, cards, phone numbers, or addresses found in a source. Not in plain text, masked, or hashed. The goal is to reduce risk, not redistribute data.

Questions about data breaches

Does 4safer query live breach databases?

Not yet. This version is a product prototype using simulated data. A live source will be added only after contracting and legal review.

Can I check someone else's data?

No. The flow requires ownership confirmation or a formal declaration and does not support searches by name.

Does no result guarantee that I am safe?

No. No source covers every incident. Treat the result as a signal to strengthen passwords, multifactor authentication, and monitoring.

Is my identity number stored?

The prototype has no user database or persistent search history. The interface uses the value only during the demonstration flow.

Practical guides

Understand the risk before you act

View all guides

Password Security

How to Check If My Password Was Exposed

A password found in known exposure data should usually be treated as unsafe, especially if you still use it. Learn how password exposure happens and how to protect every account where the password may have been reused.

Personal Data Exposure

How to Know If My Phone Number Was Leaked

A phone number appearing in known exposure data does not mean someone controls your phone. It can, however, increase phishing, impersonation, and account-recovery risks. Learn how to check and what to do next.

Personal Data Exposure

How to Know If My Personal Information Was Leaked

Personal information can appear in known data exposures without you immediately noticing. You can check identifiers such as your email or username, review warning signs, and take protective action based on the type of information involved.

Understand the protections before checking

Learn about the privacy, ownership, and minimization decisions that guide the product.

View our privacy commitment