基于 YOLOv8 的网页截图视觉识别钓鱼网站研究

研究者训练 YOLOv8 卷积神经网络，依据页面布局、Logo 位置、配色和登录表单结构判断页面是否仿冒可信品牌。系统在留出测试集上达到 92% 分类准确率，单张截图处理耗时约 100 毫秒；

针对光照、压缩和缩放变化做数据增强后，误报率相比增强前基线降低 11%。论文还讨论了这类视觉检测器与现有 URL 和内容检测方案如何配合使用。

A Computer Vision Approach to Visual Fraud Detection in Phishing Websites Using YOLOv8

Phishing remains one of the most common vectors for financial and identity fraud, and most detection systems still rely on inspecting a page's URL, HTML markup, or domain registration history. These signals are easy for an attacker to rotate or obfuscate, and they say very little about what actually convinces a victim to hand over a password or a card number: the way the page looks. This paper describes a visual, image-based approach to phishing detection that treats a rendered webpage the same way a human eye would, as a picture that either matches a trusted brand or doesn't. A YOLOv8 convolutional neural network was trained to classify full-page website screenshots as phishing or legitimate based on layout, logo placement, color scheme, and login-form structure, rather than on text extracted from the page. The system reached 92% classification accuracy on a held-out test set, processed a single screenshot in roughly 100 milliseconds, and, after a round of data augmentation aimed specifically at lighting, compression, and scaling variation, cut the false-positive rate by 11% relative to the pre-augmentation baseline. The paper walks through the dataset construction, the augmentation strategy, the model architecture and training setup, and the resulting performance, and closes with a discussion of where this kind of visual detector fits alongside, rather than instead of, existing URL- and content-based defenses.

本条情报归属 AITOP「论文」核心追踪栏目。在跨区域产业观察坐标中，该动态直接关联「AI 开发者工具链、Coding Agent 与工程化实践」研究主线，反映出当前技术演进与商业落地的最新风向。涉及核心实体与技术议题包括：YOLOv8、网络安全、钓鱼检测、计算机视觉，读者可通过下方标签进入对应专题页查阅历史脉络与关联对比。

信源核验说明：本文原始线索采编自「arXiv cs.AI」（@Basil Sajid Shaikh, Hajar Homayouni），经 AITOP 多维评分管线结构化提炼。