On: U.S. Cities Strain to Fight Hackers

[kryogen1c]

> A one way airgap is indeed all you need

This is an oxymoron. If something can communicate, even only in 1 direction, its not airgapped.

Furthermore, theres no such thing as 1-way communication. Any DB that houses info can only provide it in response to a query.

[packet_nerd → kryogen1c]

> theres no such thing as 1-way communication

It's called a data diode.

https://www.opswat.com/blog/why-data-diodes-are-essential-is... https://en.wikipedia.org/wiki/Unidirectional_network