The best therapist in the world can still end your career by causing your clearance to be revoked or rendering you unqualified for your unit’s mission.
I'm not in the military but I've worked with ts/sci cleared folks at a tech company, and this sounds odd to me. Can you explain a little more here? What's an example of a problem that, if discussed in therapy, could result in revocation of a security clearance?
I recommend Tuta over Proton. They're much more focused on their core product (not making their own crypto wallet or VPN or storage service or password manager), plus Tuta's leadership has never endorsed US Republicans, unlike Proton's
I was surprised to see Mullvad ads on the Link. Pleasantly surprised, at that!