An extortion scam is allegedly threatening website operators with junk ad clicks that trigger Google's fraud detection to limit or ban a site's AdSense account (Brian Krebs/Krebs on Security)

Brian Krebs / Krebs on Security:
An extortion scam is allegedly threatening website operators with junk ad clicks that trigger Google's fraud detection to limit or ban a site's AdSense account  —  A new email-based extortion scheme apparently is making the rounds, targeting Web site owners serving banner ads through Google's AdSense program.

via Techmeme