I’m afraid the clearances themselves won’t be much help for vetting something like that. Their biggest job is to filter against people likeliest to become deliberate spies. Mostly they do that by performing the much easier job of making sure someone isn’t thrill-seeking, is risk-intolerant, and is unlikely to break rules in general.
But teaching the skill of confidentiality can be done; governments have been doing that job passably for decades. You can even test it effectively every once in a while by red-teaming your own guys. Tell Paul from section A he’ll get a bonus if he can get someone from section B to give him information that should be siloed there. Then see if section B manages to report Paul’s suspicious questions (yay!), if Paul fails but isn’t detected (meh), or if Paul actually succeeds at getting someone to reveal something confidential (oh no).
I’m afraid the clearances themselves won’t be much help for vetting something like that. Their biggest job is to filter against people likeliest to become deliberate spies. Mostly they do that by performing the much easier job of making sure someone isn’t thrill-seeking, is risk-intolerant, and is unlikely to break rules in general.
But teaching the skill of confidentiality can be done; governments have been doing that job passably for decades. You can even test it effectively every once in a while by red-teaming your own guys. Tell Paul from section A he’ll get a bonus if he can get someone from section B to give him information that should be siloed there. Then see if section B manages to report Paul’s suspicious questions (yay!), if Paul fails but isn’t detected (meh), or if Paul actually succeeds at getting someone to reveal something confidential (oh no).
Yeah. I don’t have a strong sense that this is that hard, but I do think you need to be actually trying to succeed at it.