As Japan gears up for the 2020 Tokyo Olympic and Paralympic Games in just over a year, the country needs to brace for sophisticated cyberattacks, experts say.
With the proliferation of smart devices and low-cost drones, such attacks are likely to increase not only in number but also complexity.
Previous Olympic organizers have faced an enormous number of cyberattacks, with an estimated 500 million during the 2016 Rio Games and 250 million at the 2012 London Games, and Tokyo is expected to face a similar scale of threat.
The games organizers already faced such a threat last September when a group of hackers tried unsuccessfully to steal private information from people in the United States and Japan by emailing fake ticket offers.
Toshio Nawa, executive director and senior security analyst at Tokyo-based security consultancy Cyber Defense Institute, warned that people must remain on guard for hackers using a combination of virtual