[Source] Cinema Spice
Glitchify is a super featured packed and fully customizable plugin for After Effects that allows you to add digital glitches to your footage.
Glitchify comes packed with different effects like pixel sort, channel scale, RGB split, block shift, transform glitch and many more.
Cinema Spice has also released a special sound effects pack of digital audio glitches. There is over 70 sounds, and they pair nicely with any look you create with the Glitchify plugin.