GoKawiilGoogle says Chrome's anti-abuse systems reduced unwanted notifications on Android by more than 7 billion per day during the first quarter of 2026.
In a new blog post, Google argues that notification abuse has increasingly been used to distribute scams, malware, phishing attempts, and fraudulent payment requests.
To reduce the abuse, Google developed a "Swiss cheese" defense model, where several overlapping systems try to stop abuse at different stages.
"Our goal is to ensure that if abuse slips through one layer, another is there to catch it," Google explained.
"This approach allows us to halt abuse at the source, preventing deceptive content from reaching users while maintaining a healthy balance between utility and security."
Chrome can automatically revoke notification permissions
Chrome already removes notification permissions from inactive websites, as well as sites that repeatedly trigger suspicious-notification warnings.
When Chrome revokes the permission, it can automatically unsubscribe you from a site's notifications.
Chrome for Android automatically blocks notifications
Source: Google
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