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Security Beginner

What is Phishing?

A social engineering attack that uses fraudulent communications to trick people into revealing sensitive information or installing malware.

Phishing attacks impersonate trusted entities (banks, colleagues, services) through email, SMS (smishing), or phone calls (vishing). They create urgency ("Your account will be closed!") and direct victims to fake websites or malicious attachments.

Protection includes email authentication (SPF, DKIM, DMARC), security awareness training, multi-factor authentication, URL inspection, and anti-phishing tools. Spear phishing targets specific individuals using personalized information.

Related Terms

Brute Force Attack
An attack method that systematically tries all possible combinations of passwords or keys until the correct one is found.
Data Loss Prevention (DLP)
A strategy and set of tools that detect and prevent unauthorized transmission of sensitive data outside an organization.
Webhook Signature Verification
A security mechanism that verifies webhook payloads are authentic and unmodified using cryptographic signatures.
Certificate Pinning
A security technique that associates a host with its expected TLS certificate or public key, preventing man-in-the-middle attacks with fraudulent certificates.
Hashing
A one-way function that converts input data into a fixed-size string of characters, used for data integrity and password storage.
PKI (Public Key Infrastructure)
A framework of policies, hardware, and software for creating, managing, distributing, and revoking digital certificates.
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