We know about the supply-chain risks that could make 5G vulnerable to spying. But there’s another side to this.
By Adam Janofsky Nov. 10, 2019 9:30 am ET Lost amid recent security concerns about Chinese suppliers of next-generation wireless networks, there is a bigger, more positive story: 5G will provide big benefits when it comes to protecting sensitive data.
“5G will be more secure than the platform we have today,” says Chandra McMahon, chief information security officer for Verizon Communications Inc. “Security is designed into 5G and there will be additional [security] technical features.” Cyberattacks affect only the slice being targeted and are therefore easier to contain, says Lenovo Group Ltd. Chief Information Security Officer Jason Ruger. “If there’s a distributed denial-of-service attack or a computer worm affecting one slice of the network, the other slices aren’t exposed,” he says.
This will make it easier for companies to, for example, spot suspicious activity such as a hacker trying to access parts of the network that aren’t typically visited, or attempting to download an unusually large amount of data. AI-enabled tools could also help security teams quickly and automatically detect malware when an employee clicks on a suspicious document by analyzing characteristics including the file’s size and how the code is distributed in it.
Another plus for security is that the waves used by 5G will require a new type of infrastructure that could lead to stronger, location-based authentication, says Lenovo’s Mr. Ruger. Because the waves have trouble traveling long distances, 5G networks will augment traditional cellular towers with smaller antennas about 1,000 feet apart on buildings, telephone poles and other structures.
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