Caitríona Redmond: How to make your home tech risk-free

From fridges to Furby’s, smart devices can be a security risk, here's how to limit the threat

The cyberattack on Irish supermarket fridges last week exposed how vulnerable businesses and homes can be to infiltration. File picture

The news that 13 SuperValu stores in Ireland, owned by the Musgrave Group, last week had their refrigerators hacked is certainly cause for consumer concern, particularly from a food cost perspective.

There's been a lot of confusion about how this happened and why supermarket fridges can be heated to more than 50°C.