Also on Monday, The Guardian reported that Sweden-based Libyan activist Husam El Gomati was also notified by WhatsApp as being one of the targets of the hacking campaign. El Gomati has been vocal criticizing Italy’s relationship with Libya, particularly an agreement between the two countries to stop immigrants from crossing the Mediterranean.

According to the chat service, an Israeli company called Paragon Solutions used group chats and PDFs to target the individuals.

Meta Platforms Inc.’s WhatsApp messenger service said it disrupted a hacking campaign linked to Israeli spyware firm Paragon.