Many approaches involve scanning incoming data for possible malware and screening spam e-mail laden with viruses or containing suspicious messages.

这些方法包括扫描传入数据以防有恶意软件和扫描携带有病毒和包含可疑信息的e-mail。

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We strongly recommend that you avoid clicking links or attachments in suspicious messages.

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Be suspicious of e-mail messages or even sites which ask you to re-enter login, credit card or other information to check your status.

BBC: The leaky net