Breach date: 2026-08-27. Added to this index: 2026-09-02. Accounts affected: about 8.8M. Domain: magairports.com.
What happened
In August 2026, Manchester Airports Group (MAG) disclosed a data breach impacting their services. The incident was later claimed by the FulcrumSec hacking group, who subsequently published email addresses and phone numbers relating to 8.8M customers of Manchester, Stansted and East Midlands airports. The data contained personal information relating to airport services, including vehicle registrations and parking history, Fast Track purchases and lounge bookings. In their disclosure notice, MAG advised that "at no point has passenger safety or aviation security been compromised".
Breach data sourced from Have I Been Pwned, used under CC BY 4.0. Additional breach metadata provided by XposedOrNot. DataExposed is an independent service and is not affiliated with or endorsed by either.
What was exposed
Browser user agent details: A short text string your browser sends to every website, naming the browser, its version, the operating system and often the device type, for example Chrome on Windows or Safari on an iPhone.
Email addresses: The email address you used to register or log in. It is the most common field in breaches because it doubles as your username on most sites.
Geographic locations: A general location recorded on your account, such as a country, state, city, postcode or region, either typed in by you or estimated from your IP address.
IP addresses: The network addresses your devices used when you signed up, logged in or posted, recorded by almost every website in its access logs.
Names: Your first name, surname and sometimes middle name or initials, as you gave them when you signed up. It appears in almost every breach because nearly every account asks for it.
Phone numbers: Your mobile or landline number, collected at signup for contact, delivery updates, marketing and two-factor codes.
Purchases: Records of items or services you bought, often with order numbers, prices, dates, delivery addresses and the store or seller involved.
Vehicle registration plates: Your vehicle registration or licence plate number, stored by parking apps, toll systems, insurers, dealers, car washes and fleet services.
What to do now
Check whether your own address is in this dataset with the free email breach check.
Review the accounts connected to this service and turn on two-factor authentication.
Turn on two-factor authentication on your email account first, because it is the reset path for everything else.
Treat calls and messages that quote real details about you as hostile until you verify them another way.
Frequently asked questions
What data was leaked in the Manchester Airports Group breach?
The Manchester Airports Group breach exposed Browser user agent details, Email addresses, Geographic locations, IP addresses, Names, Phone numbers, Purchases, Vehicle registration plates. About 8.8M accounts were affected.
Was I affected by the Manchester Airports Group breach?
Run the free email breach check with the address you used on that service. It will tell you whether your address appears in this dataset.
What should I do about the Manchester Airports Group breach?
Treat any message that quotes details from this breach as suspicious, turn on two-factor authentication, and consider removing your details from people-search sites if your address or phone was included.