The non-public knowledge of greater than 61,000 TD Ameritrade purchasers was uncovered to hackers who breached an outdoor file switch system, Progress Software program’s MOVEit, in response to an Aug. 3 Discover of Information Breach that the Charles Schwab-owned agency, which makes use of the software program, despatched to purchasers.

The breach was a part of a broad legal hacking operation associated to a vulnerability within the MOVEit switch software program. The hacking operation has hit a whole bunch of firms and authorities businesses globally.

Within the discover, TD Ameritrade outlined what occurred, the steps it’s taken to guard shopper info, and extra steps purchasers can take to make sure their info is additional protected.

On Might 30, the agency “turned conscious of a safety incident involving MOVEit Switch, a software program utility traditionally utilized by TD Ameritrade … to share information,” it stated within the letter.

“Since studying of the incident, we’ve got carried out an intensive investigation and decided that, between Might 28, 2023, and Might 30, 2023, unauthorized people accessed a TD Ameritrade utility of the MOVEit Switch software program and stole knowledge.”

TD Ameritrade stated in its letter: “No different TD Ameritrade or Schwab techniques or knowledge had been impacted, and all techniques are working usually. The outcomes of our investigation have indicated that a few of your private info was included within the incident.”

The affected info included shopper names and Social Safety numbers, and “additionally might have included a number of of the next: monetary account info, date of start, authorities identification numbers, or different private identifiers,” in response to the agency.