Cyberattack Hits Refrigeration Units at Hundreds of French Supermarkets, Temperatures Spike to 50°C, Food Dumped

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The story

On the night of October 11 into October 12, France saw a cyberattack targeting the refrigeration and freezer systems of hundreds of supermarkets. The equipment’s temperature rose to as high as 50°C, leading to the mass disposal of fresh and frozen food. French authorities have opened an investigation. On 5ch, many posters expressed shock that supermarket refrigeration units are even connected to the internet in the first place, with opinions split between the labor-saving benefits of remote monitoring and the security risks it creates. There was also no shortage of speculation about the attackers’ motive — financial extortion versus a thrill-seeking prank — though nothing has been confirmed.

Cyberattack Hits Refrigeration Systems at Hundreds of French Supermarkets, Temperatures Spike to 50°C, Causing Mass Food Disposal – ITmedia NEWS

October 13, 2026, 10:20 AM [ITmedia]

A large-scale cyberattack targeting refrigeration and freezer equipment hit French supermarkets on the night of October 11 into October 12 local time. According to reports, the equipment’s temperature rose as high as 50°C, resulting in the mass disposal of fresh and frozen food. Hundreds of stores were affected, and French authorities have launched an investigation.

Source: itmedia.co.jp / Original article here

What people said

8AnonymousOct 13, 2026 10:31
Re: #1
Wait, you can actually crank it up to 50°C? lol
70AnonymousOct 13, 2026 10:38
Re: #1
Q: What's 50°F in Celsius?
A: 10°C
255AnonymousOct 13, 2026 10:56
Re: #8
Apparently it's the defrost heater used for maintenance.

Re: #70
France uses Celsius.
14AnonymousOct 13, 2026 10:32
So it's hooked up online so the manufacturer can monitor it remotely, huh.
28AnonymousOct 13, 2026 10:34
Re: #14
Usually there's a monitoring function, but changing the settings remotely shouldn't normally be possible.
125AnonymousOct 13, 2026 10:43
Re: #14
A TV Tokyo program said Panasonic (through Sanyo Electric, which it acquired) runs the same kind of business.
246AnonymousOct 13, 2026 10:55
Re: #14
If they'd stuck to just cameras, this wouldn't have happened.
23AnonymousOct 13, 2026 10:33
Maybe it's about time we got serious about regulating AV (adult video content).
232AnonymousOct 13, 2026 10:54
Re: #23
Even if you regulate it, criminal states and organizations will just ignore the rules and keep developing it — we'd only end up unable to keep up.
347AnonymousOct 13, 2026 11:06
Re: #23
You can't regulate human desire that easily.
32AnonymousOct 13, 2026 10:35
Cyberattacks that destroy infrastructure like this should carry the death penalty.
The law is way too soft.
163AnonymousOct 13, 2026 10:46
Re: #32
At least make the penalty as harsh as arson — they're basically modern-day arsonists.
348AnonymousOct 13, 2026 11:06
Re: #32
This is flat-out terrorism, so yeah, death penalty.
45AnonymousOct 13, 2026 10:36
Seriously, stay away from IoT from now on. I mean it.
Even regular home appliances let you check on them remotely these days.
Webcams are probably getting hacked left and right too.
52AnonymousOct 13, 2026 10:37
Re: #45
Sounds like vending machines are going to start dumping out products on their own next.
227AnonymousOct 13, 2026 10:53
Re: #45
I don't get people who put cheap webcams in their own homes.
54AnonymousOct 13, 2026 10:37
Who'd have guessed the day would come when Japan — land of phone calls, personal seals, and fax machines — ends up winning…
65AnonymousOct 13, 2026 10:38
Re: #54
In the Middle East, pagers got swapped out for bombs, remember.
66AnonymousOct 13, 2026 10:38
Re: #54
The fact that it's not even meant as irony says it all.
122AnonymousOct 13, 2026 10:43
Re: #54
And it's just like Japan to be the one trying to put a stop to that too. Over in the West they legalized electric scooters, and now things are clearly heading toward tightening up on them — yet somehow Japan goes and legalizes them only now, just in time to rack up a wave of accidents. So very Japan.
99AnonymousOct 13, 2026 10:41
What's even the point of doing this? Stock manipulation?
124AnonymousOct 13, 2026 10:43
Re: #99
It's a shakedown. 'Pay up if you don't want this happening to you.'
168AnonymousOct 13, 2026 10:46
Re: #99
If AI can pull this off, it's probably just trolls doing it for kicks — kind of like that Korean 'F5 attack' thing from about 15 years ago (a crude DDoS where people mass-refresh a page).
133AnonymousOct 13, 2026 10:43
Hooking refrigeration equipment up to the internet is just dumb.
Don't connect it just because it's convenient.
156AnonymousOct 13, 2026 10:45
Re: #133
Why only look at the downside lol. Ban remote control and we're back in the Showa era lol
176AnonymousOct 13, 2026 10:47
Re: #156
But combine AI with always-online and security turns into Swiss cheese, so yeah, we really are heading back to the Showa era.
184AnonymousOct 13, 2026 10:49
Re: #156
It's no joke — more industries than you'd think will probably end up retreating. AI's progress is never going to stop, so in the end there are only two options: humanity gives up the internet to keep AI from being weaponized, or a lot of industries pull out of the internet to keep it running safely. And we'll be forced to make that choice sooner than you'd think.
170AnonymousOct 13, 2026 10:46
Wait, modern freezers are hooked up to the internet now?
183AnonymousOct 13, 2026 10:49
Re: #170
Washer-dryers too.
185AnonymousOct 13, 2026 10:49
Re: #170
Seems like remote monitoring is used to cut down on labor — apparently nobody logs temperatures by hand anymore.
189AnonymousOct 13, 2026 10:50
Self-driving cars are absolutely dangerous, if you ask me.
There are things you can hand over to automation and things you can't.
212AnonymousOct 13, 2026 10:52
Re: #189
Self-driving is fine as long as it's standalone, but cars whose OS can be updated over a network are done for — terrorists will exploit that.
233AnonymousOct 13, 2026 10:54
Re: #189
When it comes to cars, you can't ignore the fact that human driving is dangerous too.
218AnonymousOct 13, 2026 10:52
Why would you even connect a fridge-freezer to the internet?
It's not like the settings need changing that often.
242AnonymousOct 13, 2026 10:55
Re: #218
I'm not totally sure either, but once you're talking large-scale automated control, doesn't a PC end up involved on top of the machine itself?
251AnonymousOct 13, 2026 10:56
Re: #218
Apparently the manufacturer remotely schedules the defrost cycle for outside store hours, and runs it longer when there's more frost buildup.
244AnonymousOct 13, 2026 10:55
Did it come with a switch between 'ice-cold~' and 'nice and warm~'? (classic Japanese vending-machine slogans for cold and hot drinks)
267AnonymousOct 13, 2026 10:58
Re: #244
Home fridges have that too — the defrost function. You just reverse the heat exchanger's cycle.
Though for an actual hot-drink function, you'd need a heater running alongside it too.
360AnonymousOct 13, 2026 11:07
Re: #244
More like a switch between 'cheeeap~' and 'Mr. President~' (a nod to the shouty bargain-store commercial catchphrases).

Background and Key Points of the Discussion

By way of background, commercial refrigeration and freezer units at supermarkets and similar businesses have increasingly been connected to networks in recent years, letting manufacturers remotely adjust defrost timing and temperature settings. This cuts down on manual, handwritten temperature logging, but as posters in the thread pointed out, a setup that allows not just monitoring but remote configuration changes also becomes a weak point that can magnify the damage from a cyberattack. Authorities have not disclosed who carried out this attack or their motive, so the theories floated in the thread — financial extortion, a thrill-seeking prank, state involvement — remain unconfirmed speculation. Note that the back-and-forth over Fahrenheit versus Celsius in some posts was a joke premised on the article’s ’50 degrees’ being Celsius, not an actual error in interpreting the figure.

*This article is excerpted and summarized from the 5ch (News Speed+) thread “Cyberattack Hits Refrigeration Systems at Hundreds of French Supermarkets, Temperatures Spike to 50°C, Causing Mass Food Disposal.”

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