Its latest guidelines warn that
Internet reporting is nothing more than applying the principles of sound journalism to the sometimes unusual situations thrown up in the virtual world. The same standards of sourcing, identification and verification apply. Apply the same precautions online that you would use in other forms of news gathering and do not use anything from the Internet that is not sourced in such a way that you can verify where it came from.
But perhaps it is this comment that is the most pertinent
The distinction between the private and the professional has largely broken down online and you should assume that your professional and personal social media activity will be treated as one no matter how hard you try to keep them separate.