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Multi-state Cyber Attack Diverts ER Ambulances – Ep 436 

 December 8, 2023

By  Donna Grindle

You know how we say that hackers love to launch attacks during the holidays because that’s when most folks are distracted and in a hurry to begin their time off? Well guess what? There are already a few cyber attacks in the news just from this past Thanksgiving. Case in point, the recent ransomware attack that diverts ER ambulance services across multiple states.

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Multi-state Cyber Attack Diverts ER Ambulances – Ep 436

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Multi-state Cyber Attack Diverts ER Ambulances

[04:38] We have covered multiple warnings published by multiple agencies before. And we all know the holidays are when cyber criminals like to attack. Well, the recent Thanksgiving holiday is no exception. This one is bad…. I mean, really bad.

First, we saw that East TX ambulances were diverted from several hospitals in the area.

Security incident that caused network outages at UT Health identified as ransomware attack | Local News | tylerpaper.com

East Texas hospital network can’t receive ambulances because of potential cybersecurity incident | CNN

Tyler, Texas at UT Health East Texas which operates 10 hospitals and more than 90 clinics in the region so we are not looking at a tiny impact. That’s a big system for the region.

The hospital network, UT Health East Texas, is operating using “established downtime procedures” as the hospital investigates “a potential security incident” and works to bring computers back online, spokesperson Allison Pollan said in an email. Sean Lyngaas, CNN

But wait, it gets worse.

It isn’t just East TX, there are way more areas dealing with the same attack under Ardent Health Services. Hospitals in multiple states diverting patients after Ardent Health Services hit with ransomware attack

Through its subsidiaries, Ardent owns and operates 30 hospitals and over 200 sites of care with more than 1,300 employed providers in six states.

The states affected include Texas (x2), Idaho, Kansas, Oklahoma, New Mexico, New Jersey. Ardent Health Services, which has headquarters in Nashville, TN, report that most of the hospital sites are shut down to some extent. They are diverting care and rescheduling elective surgeries. They even say that MyChart and On-Demand Video Visits are temporarily unavailable.

The ongoing status updates are on their website Data Security Update | Ardent Health Services The FAQ section includes this part:

How long will my hospital Emergency Room be on divert?

Each Ardent hospital continues to evaluate its ability to safely care for critically ill patients in its Emergency Room as we work to bring hospital systems back online. This is rapidly changing, and the status of each hospital will be updated as the situation improves.

That basically means they got nothing. They have no idea. But, that is normal, because they need time to figure out how bad the security incident is, how far it reaches, what is the actual crime scene, etc. These kinds of things usually take days. You can’t just reboot it and everything is back to normal.

[13:45] There have been at least three other diverting attacks this year.

August 2023 – Cyberattack forces hospitals to divert ambulances in Connecticut and Pennsylvania | CNN Politics

May 2023 – Cyberattack forces Idaho hospital to send ambulances elsewhere | CNN Politics

February 2023 – Apparent cyberattack forces Florida hospital system to divert some emergency patients to other facilities | CNN Politics

But wait there’s more!

[19:10] For those who think these kinds of things only happen to big hospital systems and it’d never happen to a small clinic like yours….

Ransomware group leaks data allegedly from Granger Medical Clinic – No Escape ransomware gang said they have 38 GB of data and that if the $700,000 ransom wasn’t paid within 24 hours they’d post it all on the Dark Web.

[26:20] Henry Schein re-encrypted by BlackCat again – On October 15, Henry Schein disclosed that they were hit with a ransomware attack. Then during the Thanksgiving holiday weekend, they reported that they were hit again and their data was re-encrypted. Talk about “kicking them while they are down”!

[30:38] AlphV files an SEC complaint against MeridianLink for not disclosing a breach to the SEC – Yep, you ready that right. The AlphV (Black Cat) ransomware gang reported MeridianLink to the SEC because they didn’t report the data breach where AlphV, themselves, attacked them.

According to AlphV, they did not encrypt any files, but did exfiltrate files. MeridianLink was aware of it the day it happened. According to AlphV, no security upgrades were made following the discovery, but “once we added them to the blog, they have patched the way used to get in,” DataBreaches was told. DataBreaches.net
[43:52] If these ransomware cases weren’t enough, here are a few more recent ransomware attacks in the news. More and more we are seeing that the criminals are healthcare practices and hospitals through their business associates.

Ransomware gang claims to have stolen Crystal Lake Health Centers data

Mission Community Hospital issues notification for May 1 ransomware attack

Welltok data breach exposes data of 8.5 million US patients

Can’t stress it enough… Vet your vendors, folks.

Selecting one of the many cybersecurity frameworks is crucial. Start somewhere. Pick the NIST CSF or CISA’s CPGs or 405d’s HICP guides. Pick something and start there. For healthcare, the HICP guides are a great place to start and they are not too technical to understand. Again, if you can show you’re following Recognized Security Practices (HICP, NIST, etc), then OCR will take that into consideration because you are showing that you are taking reasonable steps to protect yourself. Don’t wait until you are a victim.

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