: Scammers often use news of a "leak" to send fake security alerts. If you receive an email from "no-reply@accounts.google.com" that feels suspicious, do not click links; instead, go directly to your Google Account security settings.
The reference to "" most likely refers to a famous security event from September 2014 , when a file containing approximately 4.93 million Gmail usernames and passwords was leaked on a Russian Bitcoin forum. The Incident Overview 5000000 Gmail.txt
Google issued a stark warning to all 2.5 billion Gmail users - Facebook : Scammers often use news of a "leak"
: Avoid reusing passwords across different sites. A manager can generate and store unique, complex passwords for every service you use. do not click links