Blood Bank Cyberattack: Storage Temp Flipped From -30°C to 110°C

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The story

Cooling equipment used to store donated blood in France was hacked, with attackers tampering with the temperature settings. According to local media, cooling systems at three facilities nationwide malfunctioned on the 2nd of this month, briefly raising storage temperatures from -30°C to 110°C. On 5ch, the thread ranged from technical questions — why are medical devices managed over a network at all, and why do freezer units even have a heating function — to speculation about lost rare blood types and the attackers’ motives.

It has emerged that an organization managing donated blood in France had its cooling equipment hacked, with the set temperature drastically raised.

According to local media, on the 2nd of this month, the cooling systems at three facilities nationwide malfunctioned, and the storage temperature was briefly set from -30°C to “110°C.”

Source: news.yahoo.co.jp / Original article here

What people said

3AnonymousNov 5, 2026 12:03
I think this every time – why is this on a network at all? Just make it standalone.
35AnonymousNov 5, 2026 12:16
Re: #3
Because having to go on-site to operate it every single time is a pain.
4AnonymousNov 5, 2026 12:04
Same with the freezers – why do they even have a heating function?
8AnonymousNov 5, 2026 12:06
Re: #4
Bringing a deep-freeze tank back up to room temperature is a real hassle without one.
45AnonymousNov 5, 2026 12:20
Re: #4
Isn't that for defrosting?
5AnonymousNov 5, 2026 12:04
No way…
I literally just donated blood the month before last.
Guess I'll go do a component or 400ml donation again at the end of this month too.
6AnonymousNov 5, 2026 12:06
Thanks to the internet and AI, we're heading back to the golden age of analog.
42AnonymousNov 5, 2026 12:19
Re: #6
That kind of workaround is fine for regular people, but a company doing the same thing just loses the competition.
7AnonymousNov 5, 2026 12:06
Cyberattacks keep happening and causing actual physical damage to hospitals, fridges, and freezers, and yet people still haven't switched to local-only system management – that's just plain stupid at this point.
9AnonymousNov 5, 2026 12:06
France alone seems to get way too many cyberattacks that directly hit everyday civilian life.
10AnonymousNov 5, 2026 12:07
Apparently if you walked past it smelled great – the smell of blood boiling.
11AnonymousNov 5, 2026 12:08
This is probably tied to the European cyberterrorism that [Hosono Goshi] (Japanese lawmaker) was warning about when he told people to stockpile food.
Supermarkets in various countries had their temperature settings messed with and lost all their food too.
65AnonymousNov 5, 2026 12:33
Re: #11
I've already blown through this month's welfare payment and savings, no way I can afford to stockpile anything.
12AnonymousNov 5, 2026 12:08
We're basically at the point where you could assassinate someone by hacking their IV drip.
15AnonymousNov 5, 2026 12:08
What's even the point of an attack like that?
17AnonymousNov 5, 2026 12:09
Re: #15
Probably training an attack AI.
16AnonymousNov 5, 2026 12:08
Sounds like ESIDISI (a JoJo's Bizarre Adventure villain infamous for boiling his own blood).
21AnonymousNov 5, 2026 12:10
Re: #16
500°C is way too much, man…
19AnonymousNov 5, 2026 12:09
Wouldn't crippling the healthcare system just come back to hurt the attacker too?
27AnonymousNov 5, 2026 12:12
Re: #19
They're probably a "person with nothing to lose" (muteki no hito – slang for someone with nothing left to risk) – they're not thinking that far ahead.
32AnonymousNov 5, 2026 12:14
Re: #19
They're probably attacking from abroad, so they wouldn't care if another country's healthcare system collapses.
43AnonymousNov 5, 2026 12:20
Re: #38
Re: #19
Why are you assuming it's a human hacker behind this and not an AI?
38AnonymousNov 5, 2026 12:18
Isn't it true that stuff like this eventually comes back around to hurt the hackers too, in the long run?
Are they doing this with some kind of "let the whole world burn" mentality?
50AnonymousNov 5, 2026 12:22
Feels like we're already halfway into the world of Ghost in the Shell.
Then again, it's only 3 years until 2029 (the year the series is set in), so I guess that actually tracks.
55AnonymousNov 5, 2026 12:23
Re: #50
If we ever get cyberbrains, we're going to be hacked constantly.
51AnonymousNov 5, 2026 12:22
Messing with supermarket fridges was still kind of funny, but this crosses the line.
You shouldn't do this on humanitarian grounds, period.
57AnonymousNov 5, 2026 12:25
Re: #51
Hospitals are the number one target for ransomware attacks.
59AnonymousNov 5, 2026 12:28
Why are European fridges even built in a way that lets the temperature swing to such insane extremes?
Do they need anything besides a cooling function?
73AnonymousNov 5, 2026 12:38
Re: #59
Defrost heaters themselves exist in Japan too.

Whether they're network-connected for integrated remote management is a separate question though.
64AnonymousNov 5, 2026 12:33
Is there even a point to managing a freezer over the internet?
70AnonymousNov 5, 2026 12:35
Re: #64
"Being able to control the temperature from your phone would be convenient" -> if it connects to your phone, it connects from anywhere in the world. That's all this is.
74AnonymousNov 5, 2026 12:39
They should just make it so AI can't be used for crime.
80AnonymousNov 5, 2026 12:44
Re: #74
Huh?
By that logic they should make knives and guns unusable for crime too.
87AnonymousNov 5, 2026 12:48
The blood that gets frozen for storage is rare blood to begin with.
Common blood types move fast enough that they just get used up quickly and can be kept refrigerated instead.
90AnonymousNov 5, 2026 12:50
Re: #87
There are all sorts of blood types after all.
If any rare ones were in that storage, whoever did this is basically a confirmed killer.
98AnonymousNov 5, 2026 13:11
Even amateurs can go digging around with this – it's pretty interesting.


>Shodan is a search engine that lets you find devices connected to the internet.
While search engines like Google specialize in finding websites, Shodan is the device equivalent.
"Devices" here covers everything from servers and network equipment to factory IoT devices, security cameras, and even personal computers.
The impact of vulnerability risks keeps growing, making vulnerability assessments essential for protecting corporate systems.
Among the many methods, tools, and services used for vulnerability assessment, this column introduces the features of the device-search engine "Shodan" and some examples of how it's used in vulnerability research.
103AnonymousNov 5, 2026 13:15
Re: #98
Couldn't this be abused if someone wanted to?

Background and Key Points of This Story

This incident is one example of cyberattacks reaching beyond data breaches into physical control of equipment. The storage temperature rose because commercial cooling units are typically equipped with a heating (defrost) function for clearing frost during maintenance, and this function appears to have been operable remotely over the network. Some donated blood is a rare blood type that’s hard to replace, so a failure in frozen storage could be more than just an equipment glitch. Worth noting: Shodan, which came up in the thread, is a real tool for searching internet-connected devices. It’s normally used for security purposes like vulnerability assessments, but it has a dual-use nature – it could also serve as a way to scout targets if misused. As for whether the attacker was an AI or a human, that remains pure speculation; the original article makes no definitive claim either way.

*This article is compiled as an excerpt and summary of the 5ch (Nandemo Jikkyo G) thread “[Sad News] Donated Blood Hit by Cyberattack, Temperature Set From -30°C to 110°C.”

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