Experts from the UK's National Cyber Security Centre have been mobilised to help thwart any attempt to hack into Infor. The risk of a cyberattack is the "main concern" of broadcasters running the competition, a BBC executive said.

Last year, Italian police foiled several pro-Russian hacks, which tried to disrupt the performances of Kalush Orchestra, the Ukrainian band that won the contest. "Cyberattacks are the main source of concern as they are becoming more frequent," BBC programme director Kate Phillips said.