Sexychatsrbija - Dating a supervisor
Tell them you're worried about how their relationship will affect other team members, and you feel that flaunting it would be inadvisable.
Don't tell them to lie if asked directly about their relationship, but make it clear that you expect them to act professionally.
If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware.
If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices.
Laws exist to protect employees in such situations, including Title VII of the Civil Rights Act of 1964, which defines sexual harassment, and the difference between quid pro quo relationships and hostile environment harassment in the workplace.