Which social media guideline defines what to do if you find a fabrication on a social media site?

Social media guidelines are rules or laws (because they are sometimes guided by legal act) for protection of individual privacy. They are usually instructive and should not be use as a threat.

Misinformation or fabrication should be corrected on social media handles and it should be done early enough to prevent further spread of scandals

One of the protective measures against fabrication is having to secure ones account by setting passwords to protect privacy.

Anti spy-ware can be used on computers to identify intruders.