Nov 9, 2019

Why hospitals are a weak spot in U.S. cybersecurity

Illustration: Rebecca Zisser/Axios

Over 32 million people have had their protected health information breached this year, in 311 hacking incidents against health care providers that are under investigation by the Department of Health and Human Services.

The big picture: Complex, bloated hospital systems are a glaring weak spot in U.S. cybersecurity — and there are limits on the government's power to help.

Hospitals are vulnerable because they maintain so many systems at once — medical records, billing records and also internet-connected medical devices — that get further entangled after mergers, which have been spiking for at least a decade.

  • "Hospitals do make an attractive target for cyber bad guys," said John Riggi, a senior cybersecurity adviser for the American Hospital Association.
  • Attackers know hospitals are open 24/7, have a vastly complex network and can't afford interruptions to public health.

"Cybercriminals know they are a soft target where they can access patient records and social security numbers and other information," Suzanne Schwartz, a deputy director in the FDA's device center, tells Axios.

  • Security firm Forescout has uncovered broken-down protections in hospital systems that make patient records vulnerable. The firm works with one of the largest health care providers in the New York area, Forescout's Tom Dolan said.

Threat level: Some vulnerabilities aren't as hard to fix as they might seem, experts said.

  • Riggi explains he has heard medical device manufacturers tell hospitals to buy total replacements for machines that may only need a security software update.
  • "And the hospital won't, because that costs a crap-load of money," Dolan said, noting hospitals can make 30-year investments in equipment like MRI machines.

What's next: The AHA doesn't make its own cybersecurity guidelines and the FDA's are limited. The agency is seeking more legal authority over device security, and the AHA wants FDA guidelines to be made mandatory.

  • The FDA's cybersecurity oversight in hospitals is limited only to medical devices — not the other internet-connected devices that hospitals are also full of.
  • The FDA's ability to work with medical device-makers to tackle cybersecurity has improved drastically since the 2017 WannaCry attack, Schwartz said — but hospitals still have weaknesses that are left unaddressed.

The bottom line: The AHA and security vendors like MedCrypt and Forescout recommend that hospitals use network segmentation or medical devices with built-in security features.

Go deeper: What your hospital knows about you

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