When was email invented?: The first emails were sent by Ray Tomlinson in 1971. This is where the history of email starts.

A "tailgating attack" is a form of social engineering that emphasizes physical elements over virtual ones.

To read email headers you need to view original messages in your mailbox or use an online tool.

Domain impersonation is when a domain name is used to impersonate another domain name.

An email header parser is a tool that can help you to parse email headers of a specific email message.

Removable media threats can lead to large scale data leakage and loss, and impose heavy reputational damage.

Email security is the process of protecting your email communications and information against cyberattacks and data breaches.

A DMARC Tester is an online DMARC testing tool that helps you test DMARC to uncover any abnormalities that may exist.

Zero-day vulnerability is a protocol, software, and application vulnerability not yet known to the general public or the product developers.

In MITM attacks, hackers intercept communication and data transfer to steal sensitive details. This is done in two phases; encryption and decryption.

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