Britain sees N. Korea as 'major' cyber threat: cybersecurity expert

In the short term, Iran will be very focused on the conventional military warfare that is taking place," Sullivan said. "But if things slow down and the (current) Iranian regime stays in power, then in the medium to long term, it's likely they will return to the type of activities they are known for in terms of cyberattacks, spreading disinformation and using their hacktivist network to spread information and cause issues to Western networks," he added.