brandalism

Etymology
.

Noun

 * 1) The encroachment of ads, logos, and other types of corporate branding into public and traditionally non-commercial spaces, or the dissemination of corporate messages through methods or mediums not typically used for marketing purposes.
 * 2) The deliberate defacement of corporate iconography, generally for purposes of protest, parody, or social commentary.
 * 1) The deliberate defacement of corporate iconography, generally for purposes of protest, parody, or social commentary.