What can someone do with a leaked passport number?

A passport number alone is rarely enough to forge a passport, because modern passports include biometrics and security chips. However, paired with name, date of birth and country, a leaked passport number is highly useful for identity-verification questions at banks, airlines, and other institutions. It can also be used to enrich an existing identity-fraud kit and pass certain online verification checks.

Do I need to replace my passport?

For most travellers, replacing a passport is not necessary. The passport remains valid and the document itself was not exposed (only the number). However, frequent travellers, people in higher-risk professions, or anyone who has been a target of identity fraud may wish to apply for a new passport with a different number out of caution. Replacement involves a fee and several weeks of processing time. DiscoverEU participants whose passport scans were exposed should treat replacement as a higher priority, since a photocopy plus the number is more useful for forgery attempts than the number alone.

Should I cancel my Eurail Pass?

No. Existing Eurail Passes remain valid and usable. The breach does not affect ticketing or the validity of issued passes. The main risk is identity fraud using the leaked data, not pass cancellation.

How do I know if my data was in the breach?

Eurail has been emailing affected customers directly. If you bought a Eurail Pass and provided passport details for ID-verification (which is required for most passes), you are likely affected. You can also check your email against known breaches using In The Event Of’s free breach checker.

What is the EU regulator doing about this?

The Dutch Data Protection Authority (Autoriteit Persoonsgegevens) is the lead supervisory authority for Eurail under GDPR. As of disclosure, the regulator was assessing whether Eurail had appropriate technical and organisational measures in place and may pursue formal enforcement if the breach is found to be the result of insufficient security.

Eurail Passport Data Leak 2026:
What You Need to Know

Eurail confirmed in April 2026 that a 26 December 2025 breach exposed passport numbers, names, dates of birth, phone numbers, email and home addresses for 308,777 travellers. A subset of DiscoverEU participants also lost passport scans, bank account numbers and some health data, and a sample of the dataset has already been published on Telegram.

Breach date:26 December 2025

Notifications began:27 March 2026

Records affected:308,777

Risk level:High

Your personal risk from this breach

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What Happened

How the Eurail Breach Unfolded

26 December 2025

Attackers gained access to a Eurail customer-data store that held passport details captured during the rail-pass identity-verification flow, copying files for both Eurail and DiscoverEU travellers.

27 March 2026

Three months after the intrusion, Eurail began notifying affected individuals. The Dutch Data Protection Authority (Autoriteit Persoonsgegevens) was notified under GDPR breach-notification rules.

April 2026

Public reporting confirmed that 308,777 travellers were impacted, with passport numbers, names, dates of birth, phone numbers, email and home addresses accessed. A subset of DiscoverEU participants additionally lost passport photocopies, bank account numbers and some health data. A sample dataset was published on Telegram and the full dataset offered for sale on the dark web.

Affected travellers received an email referencing "Important information about your Eurail Pass account".

What Was Exposed

Personal Data Leaked in the Breach

Because Eurail requires identity verification at pass purchase, the affected dataset is unusually rich. Passport numbers paired with full name and date of birth substantially increase identity-fraud risk compared to most consumer breaches.

Data Type	Risk Level	Who Was Affected
Full name	High	All 308,777 affected travellers
Email address	High	All 308,777 affected travellers
Phone number	High	All 308,777 affected travellers
Home address	High	All 308,777 affected travellers
Date of birth	High	All 308,777 affected travellers
Passport number	High	All 308,777 affected travellers
Passport photocopy / scan	High	DiscoverEU participants only (subset)
Bank account number	High	DiscoverEU participants only (subset)
Health data	High	DiscoverEU participants only (subset)

Risk levels based on the OAIC: What is personal information? and OAIC Australian Privacy Principles. Passport data is treated as a high-risk identity document under most national privacy frameworks.

✅ Confirmed NOT Exposed

Eurail has stated that full credit-card numbers (PANs), CVV values, and account passwords were not stored in the affected system. Passport scans / images were not part of the dataset for the general Eurail population; only the passport numbers and metadata. (DiscoverEU participants are a separate, more sensitive subset; see the exposed-data table above.)

Company Response

What Eurail Did

“We deeply regret that this happened to our customers. We have notified the Dutch Data Protection Authority and are working with cybersecurity experts to support affected travellers.”
Eurail statement, April 2026

Actions Taken by Eurail

Isolated the affected data store and audited access controls
Notified the Dutch Data Protection Authority (lead GDPR supervisor)
Notified data-protection authorities in other affected EU member states
Began emailing affected customers with details of the specific fields exposed
Engaged external cyber forensics specialists to confirm scope
Published guidance on responding to passport-themed identity fraud

Eurail About Dutch DPA

What Now?

Steps You Can Take After the Eurail Breach

Passport data is one of the most sensitive identity documents you can have leaked. The combination of passport number name date of birth email is enough to defeat most online identity-verification questions. Here are general best-practice steps.

Travel and Identity Documents

Your passport number was exposed. Treat it as a sensitive identifier going forward.

Decide whether to replace your passport

~20 min

For frequent travellers or anyone in a higher-risk profile, applying for a new passport gives you a new number that the breach data won't match. The passport remains valid until replaced; check the issuing country's replacement fees and processing time.

Australian Passport Office UK Passport Service

Report a misuse of your passport number

If you suspect your passport number has been used fraudulently (for example, in an account-opening attempt that failed verification), report it to the issuing country's passport office and the local police. Keep the report reference number, since banks and other institutions may ask for it later.

Email and Digital Identity

Your email is the key to your digital identity. Securing it is a sensible first step.

Strengthen email security

~5 min

Updating the password and enabling MFA on email accounts associated with the breach is widely recommended. It is also worth checking email forwarding rules and connected app permissions, as these can be exploited to silently intercept communications.

Understand your full account exposure

Most people have dozens of online accounts linked to a single email address. When that email is exposed in a breach, understanding which services are connected is a critical first step in assessing personal risk. Tools that map your digital footprint can help identify accounts that may need attention.

Identity Protection

Passport + name + date of birth defeats most knowledge-based verification.

Consider a credit ban

~20 min

Placing a free credit ban with Australian credit bureaus prevents new credit from being opened without additional verification. This is particularly relevant where passport number and date of birth were exposed, since these are the fields banks use to validate new applications.

Equifax AU Experian AU

Add fraud alerts where credit bans are not available

In jurisdictions without a free credit-ban facility (such as parts of the EU), fraud alerts on your credit file ask creditors to take extra verification steps before extending new credit. Check with your local credit bureau.

Monitoring and Reporting

Resources for breach response in Australia and the EU.

Contact IDCare or report to Scamwatch (AU)

IDCare (1800 595 160) is Australia's national identity and cyber support service. They can help you build a tailored plan after passport exposure, including liaising with DFAT.

EU residents: contact your national DPA

If you are an EU resident, your national Data Protection Authority can take complaints under GDPR. The Dutch DPA is the lead supervisor for Eurail; your home-country DPA can also help.

Not sure how this combines with other breaches?

In The Event Of discovers your accounts automatically and alerts you in real time when new breaches affect your data.

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Are You Still at Risk?

Compound Risk: Eurail Plus Other Travel Breaches

Travellers are increasingly being targeted because their data is spread across many companies (airlines, hotel groups, rail operators, booking sites), and any single breach can be combined with others to defeat identity checks.

Why this matters

Eurail leaked passport numbers. Optus (2022) leaked passport numbers plus drivers' licences. Booking.com (2026) leaked names + reservation context. Combine these and an attacker has a near-complete travel-identity dossier, enough to defeat most airline rebooking verification, bank phone challenges, and e-visa applications.

Optus (2022)9.8M records - passport, licence, Medicare numbers
Booking.com (2026)Names, emails, reservations - travel context for phishing
Marriott / Starwood (2018)500M records - passport numbers, hotel-stay history
Qantas (2025)5.7M records - frequent flyer, name, DOB

In The Event Of can overlay your breach data and help you prioritise the highest-impact actions.

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Frequently Asked Questions

Eurail Breach FAQ

Sources

Other Major Australian Data Breaches

Data from multiple breaches can be combined to increase identity fraud risk. Review these guides to understand your full exposure.

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View all breach guides →

Disclaimer: This guide is provided for general informational purposes only and does not constitute legal, financial, or professional advice. The information is based on publicly available sources at the time of writing and may not reflect the most current developments. In The Event Of Pty Ltd (ABN 38 687 352 647) is not affiliated with Eurail B.V. If you believe you have been affected by this data breach, we recommend contacting the relevant authorities and seeking professional guidance specific to your circumstances.

Eurail Passport Data Leak 2026:What You Need to Know

How the Eurail Breach Unfolded

Personal Data Leaked in the Breach

✅ Confirmed NOT Exposed

What Eurail Did

Actions Taken by Eurail

Steps You Can Take After the Eurail Breach

Compound Risk: Eurail Plus Other Travel Breaches

Why this matters

Were you affected?

Eurail Breach FAQ

What can someone do with a leaked passport number?

Do I need to replace my passport?

Should I cancel my Eurail Pass?

How do I know if my data was in the breach?

What is the EU regulator doing about this?

Other Major Australian Data Breaches

Eurail Passport Data Leak 2026:
What You Need to Know