How can you tell whether an email you receive is legit?

While major breaches where millions of records are compromised tend to dominate the news, a much more dangerous and insidious threat goes largely unnoticed — that of the insider. An “accidental insider” is a well-meaning employee who is tricked by adversaries or competitors into revealing passwords or unintentionally installing malicious code onto organizational networks. Alternately, a malicious insider steals data for personal or financial gain with intent to harm the employer.

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