With the recent news that South Korea has rolled out the world’s first 5G network, it’s clear that we’re on the precipice of the wireless technology’s widespread launch.

Offering speeds anywhere from 20 to 100 times faster than 4G long-term evolution (LTE), the next generation of wireless networks will also support higher capacities of wireless devices. That’s a huge deal considering the rise of IoT and similar technologies, all of which require a high-speed, active connection.

But along with the network upgrade—which will surely bring with it a boost in users relying on wireless frequencies—there are security concerns, some new.