These will be unlocked after completing the Act II mission, “A Risky Bid”.
After finding this auction bidder in the dock, get near and hack his phone to eavesdrop to his conversation. Once the location of the briefcase is revealed, head to the marked location and access the security router by the parking lot.
After finding this auction bidder in the train yard, get near and hack his phone to eavesdrop to his conversation. Once the location of the briefcase is revealed, head to the marked location and access the security router in an alley entrance, beside a blocker.