What Does Spear Phishing Mean?

Spear phishing is a variation on phishing in which hackers send emails to groups of people with specific common characteristics or other identifiers. Spear phishing emails appear to come from a trusted source but are designed to help hackers obtain trade secrets or other classified information.

Techopedia Explains Spear Phishing

The difference between spear phishing and a general phishing attempt is subtle. A regular phishing attempt appears to come from a large financial institution or social networking site. It works because, by definition, a large percentage of the population has an account with a company with huge market share.