Breach date: 2010-10-25. Added to this index: 2015-10-11. Accounts affected: about 591K. Domain: paddypower.com.
What happened
In October 2010, the Irish bookmaker Paddy Power suffered a data breach that exposed 750,000 customer records with nearly 600,000 unique email addresses. The breach was not disclosed until July 2014 and contained extensive personal information including names, addresses, phone numbers and plain text security questions and answers.
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
Account balances: The amount of money, credit or stored value recorded against your account at the moment the data was taken. It appears in banking, brokerage, wallet, gaming and loyalty breaches.
Dates of birth: Your full birth date, day, month and year, collected at signup for age checks, identity verification, insurance quotes, birthday offers or government services.
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.
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.
Physical addresses: Your residential, postal, billing or delivery address, stored by retailers, utilities, banks, government services and almost any company that sends you something.
Security questions and answers: The questions and answers used to verify you during password resets or phone support, such as your first pet, first school, favourite teacher or mother's maiden name.
Usernames: The handle or login name you chose for an account, which may be public on forums, games and social platforms or used privately to sign in.
Website activity: Records of your actions on a website or app, such as pages viewed, searches, clicks, downloads, logins, cart activity, IP addresses and timestamps.
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 Paddy Power breach?
The Paddy Power breach exposed Account balances, Dates of birth, Email addresses, IP addresses, Names, Phone numbers, Physical addresses, Security questions and answers, Usernames, Website activity. About 591K accounts were affected.
Was I affected by the Paddy Power 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 Paddy Power 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.