A hacker claimed to have stolen one billion Chinese residents' records from Shanghai police in what would rank as possibly the biggest data breach in the country’s history. 

A post on the hacker hot-spot Breach Forums listed the information "on one billion Chinese national residents and several billion case records" for sale to the sum of 10 Bitcoin, or roughly $200,000. 

Shields Health Care Group is investigating a data security breach that may have impacted more than 50 health care facilities and some of their patients.

In a statement, the Quincy-based company said someone was able access to personal medical data back in March that included names, Social Security numbers, addresses, insurance information, medical treatment information and more.

Shields said there is no evidence the information has been used to commit identify fraud or theft.

Claim: Those buying ammunition in the United States are not subject to a background check, but anyone who buys certain nasal decongestants is added to a national database.

Rating: Mostly True

What’s True

Federal law does not require background checks for ammunition purchases, and neither do the vast majority of states. In the vast majority of states, anyone who buys a nasal decongestant containing pseudoephedrine is added to a database, and law enforcement officers can access details about those buyers. However …

What’s False

Over 40 members of Congress, led by senator Ron Wyden and representative Anna G. Eshoo, urged Google to limit its location data gathering efforts so as to stop it being used by right-wing prosecutors if the Supreme Court reverses the protections offered by Roe v. Wade, according to a copy of the letter released by Wyden’s office on Tuesday.

The White House is warning that Russia could be planning cyberattacks on Americans.

“To be clear, there is no certainty there will be a cyber incident on critical infrastructure,” Anne Neuberger, the White House deputy national security adviser for cyber and emerging technology, told reporters during a Monday afternoon briefing.

The administration has warned in recent weeks that Russia could look to target infrastructure in the U.S. or elsewhere with cyberattacks, but officials previously said there were no specific or credible threats against the U.S.

The Internal Revenue Service says it's giving taxpayers with individual accounts a new option to verify their identity: a live virtual interview with tax agents.

This comes after the IRS backed away from a planned program to require account holders to verify their ID by submitting a selfie to a private company, a proposal that drew criticism from both parties in Congress and from privacy advocates.

Texas Attorney General Ken Paxton reportedly sued Facebook on Monday for violating the state's privacy protections for personal biometric data through facial recognition technology it used until recently.

Paxton filed the suit in a state district court in Marshall and sought civil penalties in the hundreds of billions of dollars because of the company's history of recording facial geometry in photographs of users uploaded from 2010 to last year, according to the Wall Street Journal.

Two Democratic members of the Senate Intelligence Committee have raised concerns about how the CIA has handled Americans' information collected incidentally as part of the agency's foreign surveillance programs, in what the lawmakers say amounts to "serious problems associated with warrantless backdoor searches of Americans."

The CIA has said that the nature of the surveillance in question -- including what kind of data has been collected and how many Americans' records are maintained as part of the agency's activities -- must remain classified.

Facing mounting bipartisan pressure, the Internal Revenue Service announced yesterday that it’s walking back plans to deploy facial recognition software to identify taxpayers.

The House of Representatives voted Friday to empower the Department of Education to increase data collection of college students.

The measure, an amendment to a major China competition bill sponsored by Democratic Michigan Rep. Andy Levin, passed on a bipartisan vote of 238-193, with a handful of Republicans joining all but seven Democrats in supporting the amendment.