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CTT

Medium

In April 2026, data allegedly obtained from CTT, Portugal's national postal service, was posted to a public hacking forum. The data included 468k unique email addresses along with names, phone numbers and parcel tracking numbers which can be used to retrieve the tracking history of the parcel.

468K
Records exposed
2026
Year
3
Data types
Free
To check
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Quick answer — was CTT breached?

Yes. CTT was breached in April 2026, exposing 468,124 records including email addresses, names, phone numbers. This breach has been independently verified. If your email was involved, your data may still be at risk today. Check if you were affected.

What happened in the CTT data breach?

In April 2026, data allegedly obtained from CTT, Portugal's national postal service, was posted to a public hacking forum. The data included 468k unique email addresses along with names, phone numbers and parcel tracking numbers which can be used to retrieve the tracking history of the parcel.

The exposed data included 3 types of personal information. Learn more about what a data breach means for you.

Why was the CTT breach so dangerous?

The CTT breach exposed 468,124 records.

Don't wait to find out — check if your email was exposed in this breach.

What data was stolen in the CTT breach?

Email addresses Names Phone numbers

Email addresses — used for phishing attacks and credential stuffing against your other accounts

Names — used to build profiles and target you with personalised scams

Phone numbers — enables SIM-swapping attacks and targeted SMS phishing

Is the CTT breach still dangerous in 2026?

Yes. Stolen data from the CTT breach remains dangerous years after the incident. Attackers routinely compile data from multiple breaches to build complete profiles, and credentials from 2026 are still actively used in automated attacks today.

Personal information like email addresses, phone numbers, and dates of birth does not expire. Even if you changed your CTT password, the other exposed data can be combined with information from other breaches to target you. Learn how long stolen data stays dangerous.

What to do if your email was in the CTT breach

1

Change your CTT password immediately

Log into CTT and change your password to something strong and unique — one you have never used anywhere else.

2

Change any account sharing that password

If you reused this password elsewhere, change it on every affected account. Attackers test stolen credentials against hundreds of popular sites within hours.

3

Enable two-factor authentication

Turn on 2FA on CTT and every important account. Even if your password is known, attackers cannot access the account without the second factor.

4

Check your other accounts for this breach

Run a full email scan to see every breach your address appears in — not just this one.

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Frequently asked about the CTT breach

How many people were affected by the CTT data breach?
Approximately 468,124 user records were exposed in the CTT breach in April 2026.
Is the CTT breach still a risk in 2026?
Yes. Leaked credentials are actively used in credential-stuffing attacks years after a breach. If you reused your CTT password elsewhere and have not changed it, those accounts remain at risk today.
How do I check if my email was in the CTT breach?
Enter your email in the free checker on EmailLeaked. We scan millions of breach records including the CTT dataset and tell you instantly whether your email was exposed and what data was taken.
What should I do if I was in the CTT breach?
Change your CTT password immediately, update any account where you used the same password, enable two-factor authentication on all important accounts, and monitor for phishing emails over the next 90 days.

How this breach page is reviewed

Breach pages are built from structured breach records and reviewed for practical risk guidance by EmailLeaked. Risk labels reflect exposed data types and are intended to help readers prioritise action.

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