GoogleGoogle

Gemini is stopping harmful ads before people ever see them

By Keerat Sharma·2026年4月16日·3 分钟阅读

摘要

Google安全团队利用Gemini模型大幅提升了恶意广告的检测与拦截能力。2025年,系统拦截或移除了超过83亿条违规广告,封禁2490万个账户,其中包含6.02亿条广告和400万个与诈骗相关的账户。Gemini通过分析包括账户年龄、行为线索和广告系列模式在内的数千亿个信号,能够更精准地理解广告意图,从而在违规广告投放前即予以阻断,阻止率超过99%。

与传统的基于关键词的系统不同,Gemini能够识别恶意内容中隐藏的意图,即使其设计成规避检测的复杂形式。这一主动防御机制显著提高了违规拦截的精准度,同时减少了误判:2025年,错误暂停广告主的事件减少了80%。这意味着系统在打击不良广告的同时,更好地保护了合规广告主的正常投放。

针对利用生成式AI大规模制作欺骗性广告的恶意行为者,Gemini实现了实时检测与拦截。到2025年底,Google Ads中大多数自适应搜索广告在提交后即完成即时审核,有害内容在提交时即被阻止。Google计划今年将这一能力扩展到更多广告格式,进一步提升广告变现的安全性。

Gemini还优化了用户反馈的处理效率,2025年基于用户举报采取的行动数量是前一年的4倍以上。这意味着即使有威胁漏网,也能快速得到处理,让安全专家能专注于需要人工判断的复杂工作,从而实现增量提效。

通过超越图像和文本模式的分析,Gemini能更好地区分开可信的广告与精心设计的诱饵。这种细粒度的理解能力帮助Google在优先移除有害内容的同时,确保诚实商家的广告继续投放,维护了广告生态的信任基础。

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