Most of the time, however, it's used to suggest insider knowledge, which is quite the opposite of the word's meaning.

And yes, I have some insider knowledge on this front.

And would there be any concrete evidence of insider knowledge in these two cases?

In business, tips take the form of insider knowledge used by individuals and companies, often away from the view of the public.

Impress your friends with your insider knowledge of Radio 7.

They also say some of the moves may constitute acting on insider knowledge.

Was this all an extraordinary coincidence, or did someone have insider knowledge?

"We don't have that sort of insider knowledge," Nicholas pointed out.

Predictions are always risky, and he claimed no insider knowledge.

They required of fashion something that used to be any good retailer's stock in trade, insider knowledge and personal touch.