BRU entry has the no security logo but the text and process say there is security.

Add to DUB: Transfer channel, go up the stairs next to baggage belt 2. Toilets: in baggage hall and around the airport. Lounge: turn left after security and go up the stairs or lift.

EDI: occasionally you land on a remote stand and end up deplaning by steps and getting funnelled straight into baggage reclaim, in which case you need to reclear security and this adds 15 minutes or so.

LIN: wifi vouchers can be had in the lounge and these work throughout the airport, and if you log out properly your minutes will be saved for when you're on your way back, because obviously you aren't going to drop your final leg Airside transfer isn't possible.

ITA Matrix worked example: ITA now supports Premium economy so no need for the BC:T workaround.