A notorious climate denier was the biggest funder of the “No” campaign against the Indigenous Voice in the six months before the referendum.

The National Farmers Federation has hit out at disinformation group “Advance” for running an unauthorised attack ad featuring its president.

The Coalition is on track to be defeated in the Dunkley by-election, despite weeks of aggressive campaigning by disinformation outfit "Advance".

The corporate regulator is probing the biggest funder of "right-wing" disinformation group Advance – as it can be revealed an illegal company structure was use to funnel more than $1 million.

A mystery shell company with secret owners – and a coal billionaire — were among the biggest funders of the “No” campaign against the Voice, filings reveal.

A mining company “investment” being heavily spruiked by anti-Indigenous Voice campaigner Warren Mundine is a sham, with investors at risk of losing millions of dollars.