angol - magyar Társadalomtudományok Telekom(munikáció)

A back channel in the language of diplomacy is an unofficial channel of communication between states or other political entities, used to supplement official channels, often for the purposes of discussing highly sensitive policy issues.

or

In business, back-channeling is an organizational practice that involves bypassing recognized or official communication processes, usually by sharing information anonymously up the reporting structure at least two levels, in order to create vulnerability at the level(s) skipped. It is a means by which lower-level members can manipulate perceived power differentials with a superior through a more senior accommodating manager in the organization.

Ebből a "sharing information anonymously" a lényeg (számomra).