Lurie Children's Hospital logo is seen at the hospital, Monday, Feb. 5, 2024, in Skokie, Ill. Doctors and nurses at the premier Chicago children's hospital can again access patients' electronic medical records, more than a month after a cyberattack forced Lurie Children's Hospital to take its networks offline. (AP Photo/Nam Y. Huh, File)

Officials had previously blamed the attack on a “known criminal threat actor” and said the hospital shut down its own systems for phone, email and medical records once the breach was discovered on Jan. 31.

FILE - Lurie Children’s Hospital sign is seen at the hospital as patients walk in, Feb. 5, 2024, in Skokie, Ill. (Nam Y. Huh / AP Photo, File)
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Hospitals have shifted their use of online technology to support everything from telehealth to medical devices to patient records. Today, they are a favorite target for internet thieves who hold systems’ data and networks hostage for hefty ransoms.

Lurie Children’s Hospital sign is seen at the hospital as patients walk in, Monday, Feb. 5, 2024, in Skokie. (AP Photo / Nam Y. Huh)

Officials at Lurie Children’s Hospital said Thursday that they are still working with the FBI and other law enforcement but told reporters that a “known criminal threat actor” had accessed the hospital’s network.

(WTTW News)

It’s been seven days since Lurie Children’s Hospital first cited a “network outage that impacts internet and phone service.” The systems have been offline since Jan. 31, and there’s no telling when they’ll be back up and running.

(Christoph Scholz / Flickr)

Hacking is a growing concern for hospitals and health institutions. Cyberattacks on hospitals and health systems more than doubled from 2016 to 2021, according to a JAMA report.

In this Nov. 3, 2020, file photo, poll workers sort out early and absentee ballots at the Kenosha Municipal building on Election Day in Kenosha, Wis. (AP Photo / Wong Maye-E, File)

Congress provided hundreds of millions of dollars to shore up the nation’s election system against cyberattacks and other threats, but roughly two-thirds of the money remained unspent just weeks before last year’s presidential election.

In this Oct. 3, 2017, file photo, tourists ride classic convertible cars on the Malecon beside the United States Embassy in Havana, Cuba. (AP Photo / Desmond Boylan, File)
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The Biden administration is facing new pressure to resolve a mystery that has vexed its predecessors: Is an adversary using a microwave or radio wave weapon to attack the brains of U.S. diplomats, spies and military personnel?

(Photo by Peter Gombos on Unsplash)
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Some parts of the country still face gas shortages related to the Colonial Pipeline ransomware attack, and the incident has drawn attention to the growing threat cyberattacks pose in the U.S. and around the world. We discuss the increasing threat and what to do about it.

A pump at a gas station in Silver Spring, Md., is out of service, notifying customers they are out of fuel, Thursday, May 13, 2021. (AP Photo / Manuel Balce Ceneta)
The operator of the nation’s largest gasoline pipeline — hit on May 7 by a ransomware attack — announced Saturday that it has resumed “normal operations,” delivering fuel to its markets, including a large swath of the East Coast.
In this photo provided by Citrus County Fire Rescue an officer stands near a Hummer which was destroyed by fire shortly after the driver had filled up four 5-gallon (18-liter) gas containers on Wednesday, May 12, 2021, in Homosassa, Fla. (Citrus County Fire Rescue via AP)

Gas shortages at the pumps have spread from the South, all but emptying stations in Washington, D.C., following a ransomware cyberattack that forced a shutdown of the nation’s largest gasoline pipeline. Though the pipeline operator paid a ransom, restoring service was taking time.

A customer looks at a hand written sign posted on a gas pump, showing that the service station is out of all grades of fuel Wednesday, May 12, 2021, in Charlotte, N.C. (AP Photo / Chris Carlson)

There is no gasoline shortage, according to government officials and energy analysts. But there is a problem getting the fuel from refineries on the Gulf Coast to the states that need it, and officials are scrambling to find alternate routes to deliver that fuel.

In this Sept. 20, 2016 file photo vehicles are seen near Colonial Pipeline in Helena, Ala. (AP Photo / Brynn Anderson, File)
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A cyberattack on a critical U.S. pipeline is sending ripple effects across the economy, highlighting cybersecurity vulnerabilities in the nation’s aging energy infrastructure.

In this Sept. 8, 2008 file photo traffic on I-95 passes oil storage tanks owned by the Colonial Pipeline Company in Linden, N.J. (AP Photo / Mark Lennihan, File)

As the shutdown of a major fuel pipeline entered into its fifth day, efforts are under way to stave off potential fuel shortages, though no widespread disruptions were evident.

FILE - In this Sept. 8, 2008 file photo traffic on I-95 passes oil storage tanks owned by the Colonial Pipeline Company in Linden, N.J. (AP Photo / Mark Lennihan, File)
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The cyberextortion attempt that has forced the shutdown of a vital U.S. pipeline was carried out by a criminal gang known as DarkSide that cultivates a Robin Hood image of stealing from corporations and giving a cut to charity, a person close to the investigation said Sunday.

In this Monday, May 4, 2009, file photo, a bottle of Coors Light sits on the bar as a patron sips a beer at a tavern in Blue Island, Ill. (AP Photo / M. Spencer Green, File)

Molson Coors Beverage Co. said Thursday it has been hit by a cyberattack that disrupted its brewing operations and shipments. In a regulatory filing, the Chicago-based company said it has hired forensic information technology experts and legal counsel to help it investigate the incident.

President-elect Joe Biden speaks at The Queen Theater in Wilmington, Del., Tuesday, Dec 22, 2020. (AP Photo / Carolyn Kaster)

Plus: Congress members weigh in on ‘Chicago Tonight’

President-elect Joe Biden on Tuesday assailed the Trump administration for failing to fortify the nation’s cyber defenses, and called on President Donald Trump to publicly identify the perpetrator of a massive breach of U.S. government agencies.