When you're packing your carry-on bag for a flight, there are certain non-negotiables that everyone brings. Passport ? Check. Water bottle? Check.

Phone and charger? Check. But if you are plugging your phone in at the airport for a boost of juice before boarding could actually be making you vulnerable to hackers. READ MORE: Daydream Island: The perfect family escape where kids eat for free Emily Stallings, co-founder of tech retailer Casely , says that by plugging your phone into a power outlet at a public USB charging station, you're at risk of data breaches and malware infection.

"If a device gets infected, it could end up leaking sensitive information or even stop working properly," she shares. Public USB ports can be compromised by cybercriminals, allowing them to steal sensitive information transmitted between devices. "From personal emails to financial data, the information intercepted through these compromised ports could lead to identity theft, financial loss, and other serious consequences," explains Stallings.

READ MORE: Travel expert shares her best tips for beating jet lag and dehydration on planes The best way to get around this threat – without letting your phone run out of battery – is to pack a portable charging device in your carry-on bag every time you travel.  With your own cord and power bank, it's far less likely that any nefarious hackers will be able to access your device's data. Stallings says you can also enable security features such as USB.