A user receives an email from what appears to be a trusted, known insider who is requesting confidential banking information. After the user further inspects the email, the user notices that one…

An evil twin attack involves a rogue wireless access point masquerading as a legitimate one to intercept traffic.

An insider threat involves a current or former employee, contractor, or business partner with authorized access who intentionally or unintentionally misuses that access.

A zero-day attack exploits a previously unknown vulnerability in software or hardware for which no patch or fix exists.

Impersonation is a social engineering technique where an attacker pretends to be a legitimate person or entity to gain unauthorized access or information. The incorrect character in the email address is a common tactic used to mimic a known sender, thereby tricking the recipient into trusting the fraudulent communication.