First, you need someone with decryption skill. It doesn't have to be you, just take a character with tech abilities. There are three different difficulties for locks as easy, average and hard. Easy locks can be decrypted with only one skill point in decryption but you need to unlock advanced sabotage talent for average locks and master sabotage talent for hard locks.
If you meet the skill requirements, game initiates a mini game where you try to take the arrow from the outmost ring to the center in limited time by avoiding red blocks circulating in rings. Orange blocks will block your way and red ones will take you back to outmost ring back.
Same goes for elecronics skill with electronic objects.