Below are some points coming from the article in FINANCIAL POST:

5G networks have 200 times more attack vectors, or paths to gain access to a network, compared to their 4G predecessors, Nokia’s head of product management security Patrick Rhude, one of the panelists discussing cybersecutiy, said at the Canadian Wireless and Telecommunications Association event.

5G networks are also more reliant on software, edge computing and cloud-native architecture, creating a huge increase in the interconnections within a network.

Jackson, E. (2019). https://business.financialpost.com/telecom/attack-surface-has-multiplied-5g-networks-more-vulnerable-to-hackers-conference-told. [online] Financial Post. Available at: https://business.financialpost.com/telecom/attack-surface-has-multiplied-5g-networks-more-vulnhttps://business.financialpost.com/telecom/attack-surface-has-multiplied-5g-networks-more-vulnerable-to-hackers-conference-tolderable-to-hackers-conference-told [Accessed 25 Jan. 2019].