But the word "insecure" in that sentence should raise some flags.

但是应当注意这里所说的“不安全”一词。

youdao

If it chose to include ads based on the contents of users' files — as it does with users' Gmail email messages — that would likely raise red flags for privacy groups and some consumers.

如果它选择加入基于用户文件内容的广告(就像它对用户Gmail电子邮箱里的信息所做的那样)，可能会激怒隐私团体和部分用户。

youdao

Here are some questions to ask of an older relative that could raise some new flags.

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While not entirely a huge concern, it does raise some red flags.

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