this post was submitted on 14 Feb 2024
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122
Wi-Fi jamming to knock out cameras suspected in nine Minnesota burglaries -- smart security systems vulnerable as tech becomes cheaper and easier to acquire (www.tomshardware.com)
submitted 9 months ago by [email protected] to c/[email protected]
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Wi-Fi jamming to knock out cameras suspected in nine Minnesota burglaries -- smart security systems vulnerable as tech becomes cheaper and easier to acquire::A serial burglar in Edina, Minnesota is suspected of using a Wi-Fi jammer to knock out connected security cameras before stealing and making off with lots of loot. Such techniques are increasingly popular with criminals.

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[–] [email protected] 36 points 9 months ago (13 children)

Add it to the pile of reasons to not use cloud based camera systems.

Local storage, with wired connections, or expect it to be knocked out intentionally and at random due to errors/problems outside your control.

[–] [email protected] 3 points 9 months ago (2 children)

The cloud is not the problem. Inadequate local buffer is the problem.

[–] [email protected] 12 points 9 months ago (1 children)

If it's got local storage, it's not 'cloud based'.

I'm not saying offsite backups of your local storage are a bad idea.

[–] [email protected] 1 points 9 months ago

I didn't say storage. I called it a buffer. No permanent local storage needed

[–] [email protected] 6 points 9 months ago (2 children)

Wifi jammers could knock it out before the camera sees anything.

[–] [email protected] 11 points 9 months ago (1 children)

The jammers don't disable the cameras, they just prevent them from streaming the captured video to the recording machine.

If the cameras had a local buffer, they'd be able to keep recording even if the signal was jammed.

[–] [email protected] 1 points 9 months ago (1 children)

Until the cameras are destroyed, which is easier to do when they're not streaming in real time

[–] [email protected] 1 points 9 months ago

Why not both?

Mains power with battery backup, live streaming via wires with wifi then flash storage backup

[–] [email protected] 2 points 9 months ago (1 children)

You cannot block a camera from seeing by jamming the wifi. It could simply save the video feed locally and send it to the server when the wifi is restored.

[–] [email protected] 1 points 8 months ago (1 children)

Unless they steal the router...

[–] [email protected] 1 points 8 months ago

You can still just restore the network and wait for the camera to sync. Feed not lost unless too long time has gone by and buffer has wrapped around

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