Technically, however, the use of end-to-end encryption technology since 2014 prevents the company from monitoring messages that travel across its network. Facebook called the arrest an “extreme and disproportionate measure.” WhatsApp operates separately from Facebook. Prior to its acquisition by Facebook, California-based WhatsApp had less skin in the game in disputes with governments outside the United States. “WhatsApp is a company that was started very focused on U.S. laws,” said Internet law attorney Marcia Hoffmann. “The court of appeals tends to be more sensitive in these cases, but the lower courts are still tough, as today’s decision shows,” legal expert Ronaldo Lemos said.