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Spear phishing

As explained in Grokking Web Application Security

Spear phishing is targeted phishing that uses background information to deceive a specifically identified person or group.

Spear phishing is targeted phishing: an attacker researches a specifically identified person or group, then uses that background information to make a deceptive request seem credible. The goal is often to gain trust and obtain confidential information such as login credentials. section 1.1

Unlike a generic phishing email, this fraud focuses on named people. Attackers commonly target people in company accounting departments, and similar deception can arrive through messaging apps or social media as well as email. section 1.1

Targeting an accounting employee

An attacker researches a named accounting employee and sends a tailored message that appears relevant to their work, attempting to persuade them to share credentials or other confidential information. section 1.1

How Grokking Web Application Security covers it

How deep it goes
Defines targeted phishing and explains its research-based targeting, without detailing defensive controls or technical internals.
Examples
Uses named accounting-department employees as targets and identifies messaging apps and social media as parallel channels.
What it assumes
Introduces spear phishing through familiar phishing and credential-sharing scenarios without assuming specialist security knowledge.
What you can do after
Evaluate/understand how attacker research makes a deceptive request more convincing to a selected target.
How it connects
Connects spear phishing with phishing, social engineering, login credentials, messaging apps, and social media.

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Related concepts

This explainer was generated by Manning's knowledge graph from the text of Grokking Web Application Security. The section links point to the parts of the book it draws on.