this post was submitted on 01 Aug 2026
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124
CISA Releases Guidance Urging Water Treatment Facilities to Disconnect Equipment From the Internet (www.privacyguides.org)
submitted 3 hours ago by new_otters_raft@piefed.ca to c/technology@lemmy.world
16 comments fedilink hide all child comments
 

CISA released an urgent message warning water utilities to disconnect their logic controllers from the internet in the face of rising cyberattacks.

The hacks target internet-facing programmable logic controllers (PLCs) that control equipment and allow machinery to communicate. They monitor and control the water pressure, chemical dosing, and other factors to ensure the water is safe.

Many of the PLCs are apparently open to the internet and use default credentials, allowing a remote attacker to easily take them over.

I assume it is this CISA: https://en.wikipedia.org/wiki/Cybersecurity_and_Infrastructure_Security_Agency

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[โ€“] sylver_dragon@lemmy.world 16 points 2 hours ago (1 children)

Sadly yes, this is exactly what happens. And it ends up being IT holding the bag at the end, with the managers having long since cashed out their stock options and left.

[โ€“] blargh513@sh.itjust.works 1 points 37 minutes ago

"Well, we just bought this new monitoring platform from my cousin's company and they need access to it. No, their platform doesn't support any real secure protocols and won't route over a VPN, it needs to be on the same subnet as the devices. Ok, then just open all ports to the network so they can connect. No, they don't know what port or protocol, it also runs out of my cousin's house so it's on a dynamic IP so you can't create some type of access rule for it. Just put an any/any rule in and it's good. What do you mean we already have a monitoring platform? Well, this one is better!"