"Home and mobile working, including use of personal devices for work: ensure that sensitive data is encrypted when stored or transmitted online so that data can

"Home and mobile working, including use of personal devices for work: ensure that sensitive data is encrypted when stored or transmitted online so that data can only be accessed by authorised users." Quote from UK government advice to small business people, see https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/412017/BIS-15-147-small-businesses-cyber-guide-March-2015.pdf https://www.gov.uk/government/uploads/system/uploads/attachm... I suspect that GCHQ people want people using encryption but encryption that they have a feasible way of breaking if needed. Yes, I know, no way of stopping back-doors being used by other agencies/bad actors.