The emergence of blogging has brought a range of legal liabilities and other often unforeseen consequences. One area of concern is the issue of bloggers releasing proprietary or confidential information. Another area of concern is blogging and defamation.

An area of concern about blogging is employees who write about aspects of their place of employment or their personal lives, and then face loss of employment or other adverse consequences. A number of examples of blogging and its sometimes negative or unforeseen consequences are cited here.