Glossary

Welcome to the Glossary! Whether you're already familiar with some of these terms or you're just becoming acquainted, our top-level glossary is a great resource for learning all of the relevant goods. Scroll through the full list below, search by term, or select by individual letter.
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Brand Indicators for Message Identification (BIMI)

A standard that places a verified and approved logo next to the sender "From" address to authenticate a trusted message from the sending domain, thus helping reinforce brand recognition.

Business Email Compromise (BEC)

These highly targeted, sophisticated attacks leverage a combination of phishing and social engineering tactics to trick unwitting recipients into taking action, such as wiring money to the scammer, and can be extremely tough to spot to the untrained eye.