Cybersecurity in ICT supply chains: key challenges and a relevant architecture - Masip-Bruin, Xavi; Mar{\'ın-Tordera, Eva; José Ruiz; Admela Jukan; Trakadas, Panagiotis; Ales Cernivec; Antonio Lioy; López, Diego; Henrique Santos; Antonis Gonos; others (Sensors, 2021)