The Solid-State Shift: Reinventing the Transformer for Modern Grids

Then they'll make them "cloud-enabled" and they will be hacked.

It's scary to see protective relays for power systems with embedded web servers. "IEEE C37.118 synchrophasor measurement, DNP3 Outstation, Modbus TCP/RTU, Telnet, FTP, Simple Network Time Protocol (SNTP), built-in web server, and IEC 61850" [1]

[1] https://selinc.com/products/351/#

It's fine provided that the link from the equipment that feeds it data is optically isolated to only go in one direction.

A public internet connected web server that enables remote equipment control is indeed scary.

> It's fine provided that the link from the equipment that feeds it data is optically isolated to only go in one direction.

Then people get two of them, one for each direction.[1] Can someone explain why this is supposed to be secure? It's apparently a real product.

[1] https://owlcyberdefense.com/product/recon-2u/