18 Key Email Security Tips All Users Should Follow

As mail server administrators, we may have extensive knowledge on how to use email safely and securely, but what about end users? You do everything you can to block spam & malware, but if you don’t educate your users and one of them clicks on a link in a spam message, your network can be made vulnerable. Consider these recent cases that could have been avoided if users were armed with the right information to identify phishing scams and other threats.

 

1. Northern Territory Government Agency (Australia)

In November 2024, a fraudster impersonated a contractor via a Business Email Compromise (BEC) phishing email, sending forged documents with fake banking details. The agency transferred AU$3.58 million (≈ US$3.5 M); about US$11,600 remains missing after most was recovered.

 2. Datavant (USA, Health IT)

In May 2024, a targeted spear‑phishing email compromised a staff member’s credentials. Hackers accessed the employee’s email account, resulting in a breach that exposed sensitive information—including children’s names, addresses, and Social Security numbers – affecting thousands.

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