他展示了如何一个供应商表现出可疑的文件被通过其云服务，那么它是安全的当天晚些时候，终于在当晚明显恶意。
He showed how one vendor showed a file as being suspicious via its cloud service, then it was safe later that day, and finally marked malicious that evening.
在这三种之中，盗窃是最明显的，因为其行为本身就是恶意的。
Of these three, theft is the most obvious because the act itself is malicious.
在服务质量明显变坏之前，一个标签系统能忍受多少的恶意用户？
How many malicious users can a tagging system tolerate before results significantly degrade?
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