As the number of online devices surges and superfast 5G connections roll out, record numbers of companies are offering handsome rewards to ethical hackers who successfully attack their cybersecurity systems.The fast-expanding field of internet-connected devices, known as the “internet of things” (IoT) which includes smart televisions and home appliances, are set to become more widespread once 5G becomes more available — posing one of the most serious threats to digital security in future.At a conference hosted by Nokia last week, “friendly hacker” Keren Elazari said that co-opting hackers — …
