<Senior Post Office managers briefed the BBC that neither their staff nor Fujitsu - the company which built and maintained the Horizon system - could remotely access sub-postmasters' accounts, even though Post Office directors had been warned four years earlier that such remote access was possible.>

Jeez, as I'm betting almost all readers of HN know, if it's connected to the internet, it's not always secure. I'd suggest this is a blatant lie, the truth of which could have easily been verified by asking their in-house tech. After being told by Fujitsu about remote access possibilities, they didn't want believe them?