A report by Awake Security indicates that 70 Google Chrome extensions, downloaded by over 32 million people, have been stealing user data and browsing history on a massive scale. The large-scale operation was enabled by a malicious domain registrar, GalComm.
https://www.notebookcheck.net/Massive-criminal-surveillance-campaign-of-malicious-Google-Chrome-extensions-stole-data-from-over-32-million-users-do-you-have-these-installed.476943.0.html