Forbes contributors publish independent expert analyses and insights. Davey Winder is a veteran cybersecurity writer, hacker and analyst. Update, Aug. 29, 2024: This story, originally published Aug.

Google security alerts used in new Gmail hack. Update, April 22, 2025: This story, originally published April 19, has been updated with expert comment regarding DKIM validation, new information ...

Google might soon let you change your Gmail address. You can log in to all accounts with your old and new address. All data from your old account will stay. Are you ...

Here's what you need to know, and what you can do next.