The spacebears ransomware group listed Comcast on its data leak site on 2025-12-08. Country: US Sector: Technology Domains named: corporate.comcast.com, experiences.the Claim as published on the leak site: As a global media and tech company, Comcast reaches hundreds of millions of customers, viewers, and guests with world-class connectivity and platforms and beloved content and experiences.The leak was made possible by Quasar Inc., a company that prepares technical documentation for Comсast and its Genesis project. The files contain design documentation for numerous cities, as well as detailed utility plans. https://corporate.comcast.com/