sockpuppetry

Etymology
From, under influence from.

Noun

 * 1) The use of sock puppets, especially  the use of pseudonymous online accounts for abuse.
 * 2) * 2014, Timothy R. Levine, Encyclopedia of Deception, Vol. II, s.v. Sockpuppetry:
 * On the Internet, the new form of false identities is termed sock puppetry... the term came to be applied to people who would assume a false identity and then join an Internet group. The term has been extended to include people who use false identities on the Internet in order to deceive others.
 * On the Internet, the new form of false identities is termed sock puppetry... the term came to be applied to people who would assume a false identity and then join an Internet group. The term has been extended to include people who use false identities on the Internet in order to deceive others.