FILE - People walk outside the U.S. Capitol building in Washington on June 9, 2022. Members of the House and Senate were informed Wednesday, March 8, 2023, that hackers may have gained access to their sensitive personal data in a breach of a Washington, D.C., health insurance marketplace. (AP Photo/Patrick Semansky, File)
FILE - People walk outside the U.S. Capitol building in Washington on June 9, 2022. Members of the House and Senate were informed Wednesday, March 8, 2023, that hackers may have gained access to their sensitive personal data in a breach of a Washington, D.C., health insurance marketplace. (AP Photo/Patrick Semansky, File)
WASHINGTON (AP) 鈥 Members of the House and Senate were informed Wednesday that hackers may have gained access to their sensitive personal data in a breach of a Washington, D.C., health insurance marketplace. Employees of the lawmakers and their families were also affected.
DC Health Link confirmed that data on an unspecified number of customers was affected and said it was notifying them and working with law enforcement. It said it was offering identity theft service to those affected and extending credit monitoring to all customers.
The FBI said it was aware of the incident and was assisting the investigation.
A broker on an online crime forum claimed to have records on 170,000 DC Health Link customers and was offering them for sale for an unspecified amount. The broker claimed they were stolen Monday. Reached by The Associated Press on an encrypted chat site, the broker did no say whether the data had been purchased and said they could not provide additional data to back the claim. They said they were acting on behalf of the seller, who they identified as 鈥渢hekilob.鈥
Sample stolen data was posted on the site for a dozen apparent customers. It included Social Security numbers, addresses, names of employers, phone numbers, emails and addresses. The AP reached one of the dozen by dialing a listed number.
鈥淥h my God,鈥 the man said when informed the information was public. All 12 people listed work for the same company or are family members.
In an email to all Senate email account holders, the sergeant at arms said it was informed that the stolen data included full names of the insured and family members. An email sent out by the office of the Chief Administrative Office of the House on behalf of House Speaker Kevin McCarthy and Minority Leader Hakeem Jeffries called the breach 鈥渆gregious鈥 and promised to provide updates. It urged members to use credit and identity theft monitoring resources.
The Senate email recommended that anyone registered on the health insurance exchange freeze their credit to prevent identity theft.
In an emailed statement, Rep. Joe Morelle of New York said House leadership was informed by Capitol Police that DC Health Link 鈥渟uffered an extraordinarily large data breach of enrollee information" that posed a 鈥済reat risk鈥 to members, employees and their family members. 鈥淎t this time the cause, size, and scope of the data breach impacting the DC Health Link still needs to be determined by the FBI,鈥 Morelle said.
The hack follows several recent breaches affecting U.S. agencies. Hackers broke into a U.S. Marshals Service computer system and activated ransomware on Feb. 17 after stealing personally identifiable data about agency employees and targets of investigations.
An FBI computer system was recently breached at the bureau's New York field office, CNN reported in mid-February. Asked about that intrusion, the FBI issued a statement calling it "an isolated incident that has been contained.鈥 It declined further comment, including when it occurred and whether ransomware was involved.
There was no indication the Health breach was ransomware-related.
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AP Technology Writer Frank Bajak in Boston contributed to this report.
