Google has shared new details on how its Gemini ad safety systems are being used to detect and block harmful ads, as online scams continue to grow in scale and complexity. The update points to a sharp rise in malicious advertising activity, with billions of ads removed and millions of advertiser accounts suspended over the past year.

The company said its systems blocked more than 8.3 billion ads in 2025, with a large portion linked to scam activity. Nearly 25 million advertiser accounts were also suspended, including millions tied to fraudulent campaigns. The figures highlight the volume of abuse facing large ad platforms and the ongoing challenge of keeping such content in check.

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