A former KPMG executive who alleged senior staff used confidential material from major companies to win work contracts told a parliamentary probe he would not do so again as the Attorney-General warns of “a real erosion of trust” in Australian institutions.

Federal senators have accused senior leaders in Australia's accounting and auditing industry of behaving disgracefully as more revelations emerge about KPMG's whistleblower…

International firm owns up to breach of ethics after staff leaked confidential Optus information while bidding for telco contract