Symantec, BitDefender and Intel unveiled devices that scrutinise data as it flows across home networks.
The companies say routers with built-in defences will be essential as homes are filled with net-connected gadgets.
The routers also come with parental control features that help manage how much time children spend online and what they see.
Home invasion
"You will have to buy a security solution for your internet-of-things," said Alex Balan, chief security researcher at BitDefender.
