Who is hacking Europe’s supermarket fridges and freezers, and why?

After a second apparent cyber-attack in weeks, we examine possible culprits and their motives

• Shop fridges and freezers across Europe hit by fresh suspected cyber-attack

Supermarket fridges and freezers in seven European countries have malfunctioned, their thermostats remotely cranked up in some cases to 50C (122F).

The EU has condemned what it said was “a deliberate attempt to disrupt our food supply chain and undermine consumers’ confidence in it”.