[londons_explore]

Paying for someone's security is mostly a tax dodge.

Mark won't be paying any income tax on the cost of that security detail.

And a lot of things are vaguely related to security in some way, so can be put on the security budget.

[dharmon]

Private jet travel being a particularly big one. Many companies claim their CEOs (even ones you’ve never heard of) need to travel private for security reasons.