Many newsrooms rely on their editorial guidelines and code of ethics. Report the truth. Get the facts right. Be independent and impartial. Be transparent with your sources. Own up to your mistakes and issue prompt corrections.
These fundamentals are still the bedrock of journalism. But as audiences become hyper-networked, technological innovations have expanded the ways in which news can be gathered and distributed. In response, agents of disinformation have devised increasingly inventive methods for manipulating journalists, the social platforms, and the subsequent media coverage. As a result, news organisations find themselves facing an array of new ethical challenges relating specifically to amplification.
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Source: How journalists can responsibly report on manipulated pictures and video