Whistleblowing is reporting wrongdoing inside your own organisation. Whistleblowing policy, protected whistleblowing, a whistleblowing hotline.
British law protects it where the disclosure is in the public interest, and the protection is why the word matters legally rather than merely morally. The cost to the person is usually their career whatever the law says.
1nounwhistleblowingReporting wrongdoing inside your own organisation.
“His whistleblowing revealed that the company had been dumping waste into the river.”
whistleblowing is a reporting.
Whistle plus blowing, from the image of blowing a whistle to stop play or raise an alarm.
From whistle + blowing.
Etymology from Wiktionary, CC BY-SA