Unverified50% confidenceEventExact time
2017 年 Google 安全团队与荷兰 CWI 研究所联合实现 SHAttered 攻击，构造了两个内容不同但 SHA-1 哈希完全相同的 PDF 文件，计算消耗约等效 6500 年 CPU 时间，成本约 10 万美元
1
Sources
50%
Confidence
Long-term
Relevance
7/9/2026
First Seen
Sources
Git Hash Chain Malleability: How Fragile Is the Immutability You Trust?
hackernewshackernews7/7/2026
Related Claims
UnverifiedSHAttered攻击的计算消耗约等效于6500年CPU时间，成本约10万美元69% similarUnverified2017年Waymo起诉Uber案中，前Google工程师被指下载14000份机密文件并加入Uber自动驾驶部门，最终Uber支付约2.45亿美元和解62% similarUnverified谷歌因儿童隐私问题（COPPA违规）于2019年被处以1.7亿美元罚款56% similarUnverifiedThe $250,000 amount set a new record in Google's Vulnerability Reward Program (VRP) for the relevant category.56% similarUnverifiedOn a mid-sized project, repeatedly re-reading the same files with AI tools could cost tens of dollars extra per day.55% similar
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