A security risk associated with a data breach in a third-party Salesforce system earlier this year has been alerted to Google’s 2.5 billion Gmail users. Since it was first made public in June, the breach has grown in scope and may now expose many accounts to phishing attempts. The tech giant stresses that Gmail users risk being surreptitiously spied on if they don’t regularly check their security settings and encourages users to take immediate action to secure their accounts.
According to Newsweek, Google has now issued a separate warning advising most Gmail users to change their passwords to reduce the risk of unauthorized access. Hackers are still relying on advanced phishing methods, malicious extensions, and third-party app permissions to infiltrate accounts, often without the victim realizing it, leaving sensitive data including financial details, private messages, and personal files exposed.
What Caused the Alert?
Google’s alert comes as cybersecurity experts have identified a rise in large-scale data breach attempts targeting Gmail’s 2.5 billion users. According to Google’s threat research team, phishing and “vishing” voice phishing via phone calls now account for 37% of successful account takeovers across Google platforms. While Google’s in-built protections block the majority of attacks, the company stresses that users must take proactive measures to secure their accounts.
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The fact that many users unintentionally allow access to third-party apps or browser extensions that can track activity or read emails in private is a serious worry. There is currently a global risk due to the billions of login credentials being traded on the dark web. Once accounts are compromised, hackers can use them to spread malware, commit financial scams, or steal identities.
How to Check If You’re at Risk
Google recommends performing a quick Security Checkup, a simple step that takes just a few minutes. This tool reviews account activity, verifies recovery methods, and highlights any suspicious logins or third-party access. Users should also:
- Enable two-factor authentication (2FA) for an extra layer of security.
- Regularly update passwords and avoid using the same password across multiple platforms.
- Revoke access to apps and extensions that seem unnecessary or suspicious.
- Keep software, browsers, and devices updated to patch vulnerabilities.
The sheer scale of Gmail’s user base makes it a prime target for hackers. Even if a small percentage of accounts are compromised, millions could be affected. Cybercriminals are increasingly relying on stealth, meaning that victims often remain unaware until the damage is done.
Google points out that although 99.9% of spam, phishing, and malware attempts have been blocked by its technology, human attention is still vital. The company insists that a simple account check today could prevent devastating losses tomorrow.
This latest warning serves as a reminder that online security is a shared responsibility. While Google provides some of the most advanced security systems in the world, it is ultimately up to users to stay alert and safeguard their digital lives. For Gmail users, taking a few proactive steps now could mean the difference between safety and a silent breach.