SANTA ANA (AP) — A security lapse at a major real estate title company exposed the bank account numbers and other sensitive information contained in 885 million files.

First American Financial confirmed the problem Friday after it was reported by the blog Krebs On Security .

READ MORE: Red Flag Warning Elevates Wildfire Fears Among Bay Area Residents

A flaw in an internet application allowed anyone with a web browser to see the confidential data until First American blocked all outside access Friday. It’s unclear if any of the exposed information was scooped up by outsiders with criminal intentions.

“We have hired an outside forensic firm to assure us that there has not been any meaningful unauthorized access to our customer data,” First American said in a statement.

READ MORE: One Dead, Three Wounded In Early Sunday Morning Shooting In Oakland's Uptown Neighborhood

If the 885 million records were harvested, it would rank among the biggest leaks of data on the internet.

First American, based in Santa Ana, California, generates $5.7 billion in revenue from 800 offices in nine countries. The company’s stock slipped 2 percent in Friday’s extended trading.

MORE NEWS: VIDEO: Smash-and-Grab Suspects Arrested In Brazen Serramonte Center Jewelry Store Robbery

© Copyright 2019 The Associated Press. All Rights Reserved. This material may not be published, broadcast, rewritten or redistributed