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Hackers Make the First-Ever Ransomware For Smart Thermostats (vice.com)

Lorenzo Franceschi-Bicchierai, writing for Motherboard: One day, your thermostat will get hacked by some cybercriminal hundreds of miles away who will lock it with malware and demand a ransom to get it back to normal, leaving you literally in the cold until you pay up a few hundred dollars. This has been a scenario that security experts have touted as one of the theoretical dangers of the rise of the Internet of Things, internet-connected devices that are often insecure. On Saturday, what sounds like a Mr. Robot plot line came one step closer to being reality, when two white hat hackers showed off the first-ever ransomware that works against a "smart" device, in this case, a thermostat. Luckily, Andrew Tierney and Ken Munro, the two security researchers who created the ransomware, actually have no ill intention. They just wanted to make a point: some Internet of Things devices fail to take simple security precautions, leaving users in danger. "We don't have any control over our devices, and don't really know what they're doing and how they're doing it," Tierney told Motherboard. "And if they start doing something you don't understand, you don't really have a way of dealing with it." Tierney and Munro, who both work UK-based security firm Pen Test Partners, demonstrated their thermostat ransomware proof-of-concept at the hacking conference Def Con on Saturday, fulfilling the pessimistic predictions of some people in security world.

10 of 213 comments (clear)

  1. Yes, because it would be by The+Cisco+Kid · · Score: 5, Insightful

    COMPLETELY impossible to unscrew the smart thermostat from the wall, unwire it, and (temporarily) install a traditional non-networked thermostat so you could operate your heat (or AC) while you contact the vendor or manufacturer of the smart thermostat for help.

    1. Re:Yes, because it would be by Anonymous Coward · · Score: 5, Informative

      Actually on my furnace you cannot connect a conventional thermostat. The thermostat talks to the furnace over RS-485 with a proprietary protocol. Now lucky for me it's not a 'smart' internet connected device. But depending on the installation the option of putting in a dumb thermostat may not exist.

    2. Re:Yes, because it would be by Anonymous Coward · · Score: 4, Insightful

      Why the fuck did you buy that?

  2. Who the f*** would pay this? by BronsCon · · Score: 5, Insightful

    Hmm... Pay you hundreds of dollars, or replace the damn thing with a $20 model you can't hack remotely. Seems an easy choice for me.

    --
    APK quotes people (including myself) without context and should not be trusted. Just thought you should know.
    1. Re:Who the f*** would pay this? by pla · · Score: 5, Insightful

      Not sure how an oven - Or a refrigerator - Or anything else, for that matter, involves a substantially different solution:

      The IoT is a bad idea, period. I don't need any appliance in my house to have internet access, and will actively go out of my way to make damned sure they don't.

      And before someone says "eventually you won't have any choice" - Of course we will. We might pay a bit a bit extra for the "marine" or "remote cabin" version, but as long as someone has a use case requiring offline use, that will remain an option.

  3. From consumers to products by wcrowe · · Score: 4, Insightful

    This is why I don't understand the rush to have all these IOT devices in the house. I have a couple, but they are isolated, and if they were hacked I could still function without them. There seems to be a rush to have everything, from the washing machine, to the microwave, to the toaster hooked to the internet, and there seems to be even a push to build these devices so that they do not function without an internet connection. I used to be baffled as to why consumers would even want such things. But, of course, it is not the consumers who want all this IOT, but the vendors who sell the devices and the services, trying to turn us into the product.

    --
    Proverbs 21:19
    1. Re:From consumers to products by Anonymous Coward · · Score: 4, Interesting

      A lot of people are glossing over that the newer models with IoT thermostats have much more complicated control systems because the compressor and fan have different power settings. Thus, the signal-to-activation connection is no longer a binary controller that can be hot wired.

      We live near but not in Washington D.C. When we installed new HVAC units we had the option of taking a wireless or regular thermostat, to which I elected "very strongly" to have the regular one or else I would cut the antennas out. The HVAC guy looked up with any amount of shock and said that the last two installs he did the people said the same thing. One was at the CIA and the other at the FBI (according to the HVAC guy. I'm in the DoD).

      Most people just see the functionality, not the risk. No one understands the risk until it becomes a reality. I have tried multiple times to get people to understand this and they refuse. Setting up a computer is no different for the layman---they fiddle with it until it works and stop as soon as it does. Doesn't matter that the firewall is fully open now and sharing is on. It works, and that's all that counts. I'd wager the same goes with IoT. It's about what can be done, not what might happen that you didn't expect.

  4. Re:Bitcoin by sirber · · Score: 4, Funny

    You can send me 1 bitcoin to get a +1 score

    --
    Be or ben't
  5. Communication protocol by sjbe · · Score: 4, Informative

    "Smart" thermostats ofter communicate with the furnace / cooling via a cat-6 or some other type of communications cable, they are rarly just a switch.

    No they do not. Retrofitting a cat6 (overkill) cable to run to the HVAC in an existing house would be prohibitively expensive and/or time consuming. They communicate with the HVAC via the same set of wires a "dumb" thermostat would use and gets power over the same cables. They generally communicate with the network via wifi. Nest even kindly color codes everything so that someone who isn't a a licensed technician can do the job.

  6. Re: Emergency service call costs by WarJolt · · Score: 5, Insightful

    Somehow I feel like in order to graduate from high school one requirement should be to realize thermostats aren't magic. Too bad we can't revoke HS diplomas. Many Americans don't know cell phones work using radios. It's a bit troubling that a 30 minute electricity experiment performed at an elementary school level can provide the necessary insight into the operations of a thermostat and yet most Americans can't figure this shit out.