Re: Have GCHQ systems ever been breached?
"If not, perhaps they should share their infosec methodologies with other government departments."
Errm what do you think they already do? There's a GCHQ outfit called "CESG".
"As the Information Security arm of GCHQ, we protect the vital interests of the UK by providing advice on Information Assurance Architecture and cyber security to UK government, critical national infrastructure, the wider public sector and suppliers to UK government."