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 Forum index » Off-Topic Area » Security
Why it is a very good idea to avoid wireless devices
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labbe5

Joined: 13 Nov 2013
Posts: 1686
Location: Canada

PostPosted: Fri 22 Mar 2019, 06:15    Post subject:  Why it is a very good idea to avoid wireless devices
Subject description: Wireless Fujitsu keyboards
 

Lead researcher Matthias Deeg has gone on the record to explain that Fujitsu was given five months to find a solution to the problem - before the findings were published last Friday.

Unfortunately, no solution to the exploit has been found - meaning that the only way to protect against hackers is to keep the USB dongle away from any possible radio-based attackers.

For most home users with this model of Fujitsu keyboard, the dangers are pretty low. Despite this, anybody living in proximity to many other houses may want to think twice about continuing to use the keyboard.

For businesses that may have one or more of these keyboards, the level of risk increases, with the potential of a massive cyber attack a real possibility.


"In general, it is a very good idea to avoid wireless devices, be that mouse or a keyboard, as basically all receivers are universal, and can pass both mouse and keyboard events. So even if you think you just have a wireless mouse, it is very likely that the attacker is able to send keystrokes over it.

If one absolutely wants to use a wireless mouse or keyboard, use relatively new Bluetooth devices. Unlike these proprietary protocols, especially latest versions of Bluetooth are about as secure as wireless can be.”

https://www.bestvpn.com/privacy-news/wireless-fujitsu-keyboard-hacking-concerns/
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8Geee


Joined: 12 May 2008
Posts: 1879
Location: N.E. USA

PostPosted: Sat 23 Mar 2019, 12:32    Post subject:  

I will opine that "wl keyboards, mice, etc", and Bluetooth devices are radio transmitters of a one/zero type, and can be intercepted. If these devices as a whole were encrypted, this problem might just disappear. That would be the next billion $ industry if anyone is listening. Imagine, tossing the insecure item for a secure item. Or not, running the risk of 'neighborhood' thieves at the library, McD's, donut shop, etc.

I have called these devices, and this interception 'The Facebook of devices'. I don't use any of them.

My previous thoughts on this, note the date;
July 2016

May 2017

I have found other's concerns here since at least 2013.

Regards
8Geee

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wiak

Joined: 11 Dec 2007
Posts: 1276
Location: not Bulgaria

PostPosted: Sat 23 Mar 2019, 22:31    Post subject:  

Bluetooth devices in the home often have limited range compared to WiFi, which makes them inherently 'safer', however Bluetooth devices can be designed such that their range is much larger - could be comparable to the usual home WiFi range. Despite the minimum ospecified Bluetooth range, it is not a real technical limitation. So encrypted connection is
the way to go if security really to be trusted.

wiak

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8Geee


Joined: 12 May 2008
Posts: 1879
Location: N.E. USA

PostPosted: Sun 24 Mar 2019, 17:51    Post subject:  

BT devices such as earphones, speakers, kb's, etc. are becoming more present in smartphones. Some of the BT/wifi pi connectors such as the all-in-one kb/mouse/touchpad (the < $20 ones on ebay, amazon, ali) are not encrypted. Even the screens can be wifi or BT.

In fairness BT/wifi is moving out of the house, just as the pi will.

Regards
8Geee

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