In another proof-of-concept example highlighting the risk of juice jacking, security experts at the 2013 Black Hat security conference presented a malicious USB wall charger, called Mactans, that could deploy malware on iOS devices. When people plugged in their phones, they received a security warning and learned their phones had paired to the kiosk. The term juice jacking was first coined in 2011 after researchers created a compromised charging kiosk to bring awareness to the problem.
Once your device is frozen or encrypted with one of these types of malware, the cyber-thief may demand payment to restore the information. Some types of malware include adware, cryptominers, spyware, Trojans, or ransomware. Other malware may help them gather data such as your GPS location, purchases, social media interactions, photos, and call logs. Malware installationĬybercriminals may use a malware app to clone your phone data and transfer it back to their own device. If the perpetrator can transfer that data onto their device, it might be enough personal information to impersonate you or access your financial accounts. Using a crawler program on your device, a cybercriminal could then search for personally identifiable information, account credentials, and financial information. This could potentially allow someone to steal the data on your mobile device. When a device is plugged into the public USB port, a cybercriminal could have compromised that port and enabled malware to infect your plugged-in device. Risks to your devices and data from juice jacking So when you plug in the phone, if someone's checking on the other end, they may be able to move data between your device and theirs. In the case of juice jacking, the device owner won't see what the USB port connects to.
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On most phones, the data transfer is disabled by default (except on devices running older Android versions), and the connection is only visible on the end that provides the power.įor instance, when you plug your phone into your computer, a message on the computer may ask whether to trust the device. So during the charging process, the USB cord opens a pathway into your device that a cybercriminal may be able to exploit. That means the devices can share information.
When your phone connects to another device, it pairs to that device and establishes a trusted relationship. Whether you have an iPhone, BlackBerry, or an Android device, smartphones have one thing in common: The power supply and the data stream pass through the same cable. Juice jacking does not yet appear to be widespread threat, but it’s still a good idea to understand your risks and alternatives before giving your battery a boost at public charging stations like those at airports or hotels.
While your phone is charging, the perpetrator might be able to infect your device with a virus or malware that could track your keystrokes or even steal your data.
It could be that someone has loaded malware on the USB port or the USB cable attached to one of these public charging stations. Warnings of juice jacking may cause to you to reconsider. If you're stuck somewhere with a dying smartphone battery, you may not think twice about plugging in at the nearest USB charging station.
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