Concerns have recently been raised about loss of efficiency in Neoclassical Tearing Modes (NTM) stabilization by Electron Cyclotron (EC) due to broadening of mm-wave beams interacting with plasma turbulence at the edge and the scrape-off layer (SOL) of tokamak plasmas. This has stimulated a number of experimental and theoretical studies on well diagnosed basic plasma physics devices and tokamaks. The SOL, characterized by open field lines, is populated by field-aligned structures, dubbed “blobs”, driven by the underlying turbulence. An externally injected mm-wave beam interacting with blobs is scattered, leading to a broader time-averaged beam profile at the targeted absorption location. On next-generation fusion devices, such as ITER, this would lead to a reduced efficiency of NTM stabilization that may require modulation of the beam to recover the required performance.