Bungie announced their new game, Marathon, at the May 24 PlayStation showcase. Checking the game’s Twitter account (@MarathonTheGame), we saw that they followed @We_Are_Mida. This account, in its bio, had a link to the site https://hearoursilence.com/ (4. Hear our Silence).
Additionally, a few websites were featured in the trailer video: https://sekiguchigenetics.jp/ (via a QR code) (2. Sekiguchi Genetics) and https://traxus.global/ (via a URL) (3. Traxus).