Google has advised over 2.5 billion Gmail users to change their passwords and increase their security following a data breach that prompted more aggressive hacking attacks. A few weeks ago, the tech ...

Update, June 16, 2025: This story, originally published on June 14, has been updated to include new data regarding the use of risky passwords and password habits, as well as further technical ...

Forbes contributors publish independent expert analyses and insights. Zak Doffman writes about security, surveillance and privacy. Updated on Nov. 3 with further reports into breached Gmail passwords ...

“2.5 billion Gmail users should change passwords,” the headlines warn, saying Google has issued an emergency alert to all its users. Not so fast, however. While Google and Gmail are often targeted by ...