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Why is ‘Juice Jacking’ Instantly Again within the Information? – Krebs on Safety

Why is ‘Juice Jacking’ Instantly Again within the Information? – Krebs on Safety

2023-04-14 15:38:07

KrebsOnSecurity acquired a pleasant bump in site visitors this week due to tweets from the Federal Bureau of Investigation (FBI) and the Federal Communications Fee (FCC) about “juice jacking,” a time period first coined right here in 2011 to explain a possible risk of information theft when one plugs their cell machine right into a public charging kiosk. It stays unclear what might have prompted the alerts, however the excellent news is that there are some pretty basic items you are able to do to keep away from having to fret about juice jacking.

On April 6, 2023, the FBI’s Denver workplace issued a warning about juice jacking in a tweet.

“Keep away from utilizing free charging stations in airports, motels or purchasing facilities,” the FBI’s Denver workplace warned. “Unhealthy actors have found out methods to make use of public USB ports to introduce malware and monitoring software program onto units. Carry your individual charger and USB twine and use {an electrical} outlet as a substitute.”

5 days later, the Federal Communications Fee (FCC) issued an identical warning. “Assume twice earlier than utilizing public charging stations,” the FCC tweeted. “Hackers may very well be ready to achieve entry to your private data by putting in malware and monitoring software program to your units. This rip-off is known as juice jacking.”

The FCC tweet additionally supplied a hyperlink to the agency’s awareness page on juice jacking, which was initially printed upfront of the Thanksgiving Vacation in 2019 however was up to date in 2021 after which once more shortly after the FBI’s tweet was picked up by the information media. The alerts have been so broadly and breathlessly lined within the press {that a} point out of juice jacking even made it into this week’s Late Late Show with James Corden.

The time period juice jacking crept into the collective paranoia of gadget geeks in the summertime of 2011, due to the headline for a story here about researchers on the DEFCON hacker conference in Vegas who’d arrange a cell charging station designed to teach the unwary to the fact that many cell units have been arrange to hook up with a pc and instantly sync knowledge by default.

Since then, Apple, Google and different cell machine makers have modified the best way their {hardware} and software program works in order that their units now not routinely sync knowledge when one plugs them into a pc with a USB charging cable. As a substitute, customers are offered with a immediate asking in the event that they want to belief a linked laptop earlier than any knowledge switch can happen.

Then again, the expertise wanted to conduct a sneaky juice jacking assault has change into way more miniaturized, accessible and low-cost. And there at the moment are a number of merchandise anybody can purchase which might be custom-built to allow juice jacking assaults.

Most likely one of the best identified instance is the OMG cable, a $180 hacking machine made for skilled penetration testers that appears kind of like an Apple or generic USB charging cable. However contained in the OMG cable is a tiny reminiscence chip and a Wi-Fi transmitter that creates a Wi-Fi hotspot, to which the attacker can remotely join utilizing a smartphone app and run instructions on the machine.

The $180 “OMG cable.” Picture:

Brian Markus is co-founder of Aries Security, and one of many researchers who initially showcased the risk from juice jacking on the 2011 DEFCON. Markus mentioned he isn’t conscious of any public accounts of juice jacking kiosks being discovered within the wild, and mentioned he’s not sure what prompted the latest FBI alert.

However Markus mentioned juice jacking continues to be a danger as a result of it’s far simpler and cheaper today for would-be attackers to supply and construct the mandatory tools.

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“Since then, the expertise and parts have change into a lot smaller and really straightforward to construct, which places this within the arms of much less refined risk actors,” Markus mentioned. “Additionally, now you can purchase all these items over-the-counter. I feel the chance is probably larger now than it was a decade in the past, as a result of a a lot bigger inhabitants of individuals can now pull this off simply.”

How significantly ought to we take the latest FBI warning? An investigation by the myth-busting website Snopes suggests the FBI tweet was only a public service announcement based mostly on a dated advisory. Snopes reached out to each the FBI and the FCC to request knowledge about how widespread the specter of juice jacking is in 2023.

“The FBI replied that its tweet was a ‘normal PSA-type put up’ that stemmed from the FCC warning,” Snopes reported. “An FCC spokesperson advised Snopes that the fee wished to be sure that their advisory on “juice-jacking,” first issued in 2019 and later up to date in 2021, was up-to-date in order to make sure ‘the shoppers have essentially the most up-to-date data.’ The official, who requested anonymity, added that that they had not seen any rise in cases of client complaints about juice-jacking.”

What are you able to do to keep away from juice jacking? Convey your individual gear. A common rule of thumb in safety is that if an adversary has bodily entry to your machine, you possibly can now not belief the safety or integrity of that machine. This additionally goes for issues that plug into your units.

Juice jacking isn’t potential if a tool is charged through a trusted AC adapter, battery backup machine, or by means of a USB cable with solely energy wires and no knowledge wires current. In the event you lack these items in a bind and nonetheless want to make use of a public charging kiosk or random laptop, not less than energy your machine off earlier than plugging it in.

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