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What is Juice Jacking? Why You Should Not Use Pubic USB Ports and Chargers

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  • What is Juice Jacking? Why You Should Not Use Pubic USB Ports and Chargers
All about Juice Jacking

Juice jacking is very dangerous when it comes to data theft. Juice jacking is what happens when attackers compromise an unpatched public charging station or internet port with malicious software.

Once inside, thieves can copy personal data like credit card numbers, names, addresses, Social Security numbers, and phone numbers.

It is extremely easy to juice jack a public facility because it involves plugging a charger into an unguarded charging station or port, and then waiting for someone else to turn off the power supply. When the power supply is turned back on, the attacker’s malware will begin working on gathering and exfiltrating data.

Public Charger Safety Tips

You might have noticed that your wireless router was powered down recently (or that it stopped being accessible), even though it hasn’t been touched. Many companies have added an additional safety feature called “JuiceJack Defense” because of the increase in public charging stations that people use today.

Unfortunately, these protections only work with certain models of wireless routers and won’t be available on all devices that come from those manufactures. You can also purchase your own Data Blocker such as this USB Data blocker.

So the next step is to check to see whether your device is a victim of juice hacking, and take steps to stop juice jacks before it gets too far.

Check to see if your modem has public access controls

Modems are considered vulnerable to juice jacking for two reasons: First, modems are often designed to automatically reboot or shut down themselves after 30 seconds or 1 minute of non-action, depending on brand. If they don’t automatically shut down, attackers know where to poke around. Second, they often have a web interface that allows them direct access, making them especially susceptible to juice jacks.

Don’t Leave Equipment Outdoors During Winter Months

Many manufacturers claim that they have addressed juice jack dangers by limiting power to the ports to avoid damage during extreme weather conditions. Unfortunately, even when they say that the ports cannot be exposed in subfreezing temperatures, people still have left equipment outdoors anyway. Even if a manufacturer isn’t saying that they can’t be exposed to freezing temperatures, it makes sense that people would simply leave the equipment outside for longer periods when bad weather is forecasted.

Use An Antivirus Appliance On All Computers

An antivirus appliance can identify juice jacks quickly before they cause physical harm. The best antivirus appliances are updated frequently, use up-to-date software libraries, and regularly scan files that move through the internal network. A good antivirus appliance will also notify you right away if its virus signature database contains a match.

To summarize this topic, make sure that all computers in your company have appropriate defenses against juice jacks so that people don’t get hurt by their own equipment. Don’t trust public charging stations – keep portable phones, tablets, and laptops locked in your car while plugged into them. Don’t ever plug electronics into a network port that isn’t secured. And finally, don’t ever leave equipment connected to a network port, even if you believe that the manufacturer says it is safe.

If you have questions or concerns about the security of your devices, please contact us at (919) 469-5060

Public USB Port and Chargers

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Copyright 2022 © Computerbilities
Adam Pitman – company’s president

Adam Pittman

President

Adam Pittman is President of Computerbilities, Inc. and is a veteran Computer Technician and Network Engineer with more than 35 years of experience in the computer industry. Adam has worked with local and federal government agencies and with more than 2000 businesses in more than 100 industries, including companies such as Boeing, General Dynamics and the National Institute of Environmental Health Sciences. In 2006, Adam was the recipient of the Businessman of the Year award and received the Secretary of Defense Patriotic Employer Award in 2017. Computerbilities was named Best of Business Raleigh Business Services in 2013. In his spare time, Adam is passionate about Sailing and has sailed the British and U. S. Virgin Islands more than a dozen times.