00325nas a2200109   4500000000100000008004100001260004400042100001900086700001600105700002000121245007400141       2023                            d  c20-23 June 2023bIEEEaAveiro, Portugal1 aSilvino Santos1 aPaulo Costa1 aAgostinho Rocha00aIT/OT Convergence in Industry 4.0 : Risks and Analisy of the Problems