1/ Cross-reference their Equifax data with the OPM database they stole, and use it to identify American NOC operatives entering China (or their sphere of influence, or countries who's border system they've pwned) and place them under surveillance from the start.

2/ Create a score of potential recruit-ability based on people's credit history, target them once they enter a field they're interested in.

Enter their horse in the presidential race and manipulate social media for people to vote for it.