This seems sketchy, because it is sketchy.
From a business perspective:
You recognize that you have agreed to a non-disclosure agreement.
Your current employer's client list is proprietary information, and there is no legitimate reason a prospective employer needs access to it. "Cross-checking to verify if you are legal to work with them" is not a ...
Hello, I am currently working in a government contractor company (in
the United States), and I recently got cleared for a security
I'm trying to move to another govt contractor company for another
career opportunity. But the prospective employer is asking me to
provide them a list of which government clients I've worked for in the
past (including ...
If you aren't happy and think it's a crappy company (regardless of specific reasons) then find a way to move on. The visa makes it more complicated in your situation, but you still need to do it.
It is hard moving from your first job after working there for so long. I worked at my first company for 9 years. Moving on was not easy, but I'm glad I did. My only ...
As with all security related matter, talk to your FSO about it. Show them what the employer asked for and ask what sort of information you can disclose. Do not just assume or ask people here who might not know anything about security clearance or what sort of things you can disclose.
You can get into a lot of problems. Getting your clearance revoked or ...