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go ahead USB killer 2.0 yet another USB

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device designed to strike fear in the minds of defenseless non- Tey masses but

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unlike the creatively named rubber ducky or the hacksaw and switchblade USB

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methods thoroughly documented as part of an hourlong 240p epic by hack five back

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in 2006 the USB killer is literal it's a

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USB device that will kill what you plug into it now the original USB killer

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applied a negative charge of 120 volts to the 5vt V USB pin on the port

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effectively destroying the USB controller and its power regulation

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circuitry USB Killer 2 kicks it up a notch bumping up the negative voltage to

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around 200 volts and it hits it directly

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in the data pins chances are any device that you plug it into will no longer be

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functioning properly some may survive

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but the majority won't and terrifyingly enough this isn't just limited to

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laptops and desktop computers it even works on phones TVs and cars if

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you can plug a USB device into it it may be vulnerable to this attack so this is

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the part where I demo it right truthfully I had my reservations

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about actually killing a bunch of Hardware I mean it's been done many

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times before but this is lonus Tech tips

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lonus is the man that bought a $17,000 UPS lonus is the man that decided that

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he needed a 180 terab server just just so that we'd never have to delete a

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single file all in the name of excess so maybe

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it would be appropriate to kill his recently finished desk PC project that

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you guys waited so long to see completed

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so follow me and let's do just

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that oh

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my I didn't actually think was going to

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work okay I'm going to get

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fired mop is currently featuring the Emu

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Purple Heart Clos back headphones check this and other drops out in the link

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below okay so as you probably guessed

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just like all the other YouTube pranks that was fake I didn't get fired the

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computer is fine the flash drive I plugged it into is completely harmless

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uh I just flipped the switch on the power bar with my foot as I put it in

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but the attack is real and the drive I have here now actually in there is the

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real thing USB killer official YouTube channel has plenty of videos showing it

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killing things like Xboxes and even a car and if you won't take their word for

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it our buddy Austin Evans Zapped two different laptops a TV and even a phone

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but how does it work well it actually uses your own device against you when

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you plug your USB killer into a device it Cycles through rapidly charging its

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own capacitors off of the device and then discharging them at the previously

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mentioned negative more specifically about 220 volts a heck of a lot more

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than both the 5 volts USB is designed for and the 15 volts that would already

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have been enough to kill most devices this cycle is repeated many times per

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second until the USB killer is is removed and you can reuse it as many

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times as you want that is until a teacher confiscates it and calls your

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parents do you need to buy one then well people have actually been making their

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own by modifying random USB devices that actually work for it or even taking the

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flash circuitry out of a disposable camera and reworking it to load up the

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capacitor and discharge over USB it's

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not even that complicated you Salvage the transistor Transformer resistor

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diode and capacitor from the camera add a power source if the cameras isn't

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suitable throw a button in for ease of use and then send it all over USB and

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you're done and so is the device and does this crude method work well yeah

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and you don't even need the host device to charge it to test it we grabbed an

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old Acer Aspire One from 2008 that Linus

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had in the E-Waste pile for recycling

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now everything in the computer isn't magically dead I wouldn't trust the

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motherboard or the CPU anymore but the rest should honestly pretty much be fine

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when throwing that much voltage around I'm not going to guarantee anything but

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this isn't a Data Destruction method and the hard drive in here almost certainly

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still works okay so enough about how easy it is for people to Brick your

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stuff how do you protect yourself well the US government suggests not plugging

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things into your computer thanks guys

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outside of that you probably can't physically capping USB ports adding

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so-called USB condoms or installing the

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USB killer test Shield have been cited as ways to defend against this but as

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long as the attacker has enough Ingenuity to unplug whatever you plugged

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in they will be able to quickly bypass your

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protection unfortunately outside of filling all your USB ports with cement

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if anyone has direct access to your computer that is vulnerable to this type

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of attack and they're enough of a dick to actually do it you're

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screwed USB type-c will sort of have a

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solution to this which is a new cryptographic authentication that can

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stop unauthorized and uncertified devices from connecting but as with

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pretty much all things done this way there will almost assuredly be a way to

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bypass it the best way to protect against this attack is to have the

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manufacturer of your device install an opto coupler these are also known as

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photocouplers or Optical isolators they're components that transfer

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electrical signals between two isolated circuits by using light effectively

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preventing high voltages from reaching the entire system even if the port loses

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its ability to transmit and receive data

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this is better than nothing but not many companies have even implemented these

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outside of Apple so be sure to hit up your favorite device manufacturer and

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tell them to get a kraken in conclusion

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just as we've always said don't plug random USB devices into things if you

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don't trust it just throw it away and no

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this isn't a meme or a hoax you shouldn't try this on your friend's

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computer because it's illegal and honestly it's just not even funny you're

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just killing hardware for no reason brain tree is code for simple online

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payments if you're building a mobile app and searching for a simple payment solution check out brain tree with brain

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tre's v.0 SDK which is one small snippet

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of code you are set up in less than 10 minutes and they have support staff

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ready to walk you through the entire process over the phone if you need them

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code supports Android iOS and JavaScript clients and they have sdks in seven

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different programming languages they make it easy to offer multiple payment

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types including PayPal Apple pay Bitcoin

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venmo Android pay credit cards and even

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more all with one simple integration to learn more head over to brain Tre

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payments.com Linus thanks for watching guys this

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video sucked you know what to do but if it was awesome get subscribed hit that like button or check out the link below

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that goes to Amazon and buy anything that isn't

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this anything else whatever whatever it

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is I don't care you can also buy a shirt at the link below that or go to the

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community Forum to discuss this video and others now if you're wondering what

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to watch next check this out which is any video done by Brandon