KEY POINTS
  • The U.S. tech giant, which also owns and operates Instagram, WhatsApp and Messenger, said in a blog it has alerted the people who it believes were targeted by the malicious activities.
  • Seven "surveillance-for-hire" companies have also been banned from Meta's platforms, the company said.
  • Meta said the seven firms carried out a combination of reconnaissance, engagement and exploitation.
A worker picks up trash in front of a new logo and the name 'Meta' on the sign in front of Facebook headquarters on October 28, 2021 in Menlo Park, California.

Meta has said that around 50,000 Facebook users have been targeted by private surveillance companies.

Meta, which also owns and operates Instagram, WhatsApp and Messenger, said in a blogpost Thursday that it has alerted the people who it believes were targeted by the malicious activities.