GMAIL users have been warned about a data breach as more than 183 million passwords have reportedly been stolen.
Users have been urged to check their accounts and change their passwords as soon as possible.
Australian cyber expert Troy Hunt has revealed that major email providers have been compromised in the latest breach.
The total of 3.5 terabytes of data has been exposed including email addresses, passwords and the websites they were entered into.
Hunt told DailyMail: “All the major providers have email addresses in there.
“They’re from everywhere you could imagine, but Gmail always features heavily.”
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If you have emails registered on Yahoo, Outlook, Gmail or any other provider, it is important to check if your password was leaked now.
Users have been directed to go to Have I Been Pwned website to enter their email address in the search bar.
The site will show you if your address has been involved in any breaches in the past decade.
If you have been affected, it is recommended to promptly change your password and enable two-factor authentication (2FA).
The incident occurred in April 2025 but has only now been revealed to the public by the cyber expert.
Your email account’s password isn’t the only thing that may have been hacked, the expert warned.
Unique passwords linked to your email account that you use on other websites, such Amazon, eBay, and Netflix, are also at risk.
Hunt said: “Stealer logs expose the credentials you enter into websites you visit then login to.”
The Sun has reached out to Google for a comment.
What are the most common passwords?
After analysing 15 billion passwords from data breaches, the team at CyberNews has published the definitive list of the most common passwords in 2025, which should be avoided at all costs:
- 123456
- 123456789
- qwerty
- password
- 12345
- qwerty123
- 1q2w3e
- 12345678
- 111111
- 1234567890
