An Equifax Inc. (NYSE:EFX) data breach has resulted in millions of accounts being compromised.

According to an announcement, the Equifax data breach saw 143 million people get their information stolen. This includes data such as names, Social Security numbers, birth dates, addresses. Some cases also saw driver’s license numbers being stolen.

The Equifax data breach also includes some instances of additional information being stolen. The company notes that there were 209,000 credit card numbers stolen in the hack. It also says that documents containing personal identification information for 182,000 customers were also stolen.

The Equifax data breach mostly affected customers in the United States. However, the company notes that some customers in the U.K and Canada may also have had personal information stolen. It hasn’t discovered evidence of stolen information from other countries besides these.

The Equifax data breach was noticed by the company on July 29. An investigation into the event was launched and is almost complete. The company hasn’t said how long the data breach went on for before it was discovered.

Equifax also notes that it has set up a dedicated website for the data breach. The website is designed to help customers determine if their personal information was stolen in the Equifax data breach. It also allows them to sign up for credit file monitoring and identity theft protection. There’s also a hot line open from 7:00 a.m. to 1:00 a.m. Eastern time every day for customers with questions.

“This is clearly a disappointing event for our company, and one that strikes at the heart of who we are and what we do,” Richard F. Smith, Chairmand and CEO of Equifas Inc, said in a statement. “I apologize to consumers and our business customers for the concern and frustration this causes.”

EFX stock was down 14% as of Friday morning.

As of this writing, William White did not hold a position in any of the aforementioned securities.