GMAIL users worldwide are being warned to act now after a massive Google security breach left 2.5 billion accounts exposed to criminals.

The cyber raid, linked to Google’s use of Salesforce’s cloud platform, happened in June when hackers tricked a staff member into giving away login details.

The breach has sent shockwaves across the UK and worldwide as scammers quickly moved to exploit the stolen data.

The notorious hacking gang ShinyHunters managed to steal vast files packed with company names and customer contact details.

Google says passwords were not taken — but experts warn fraudsters don’t need them to wreak havoc.

Cybercriminals are already using the stolen information to impersonate Google workers.

Victims are being bombarded with fake phone calls, dodgy emails and text messa

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