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Wi-Fi Protected Access (WPA)

Simple Definition for Beginners:

Wi-Fi Protected Access (WPA) is a security protocol used to secure wireless computer networks. It provides encryption and authentication mechanisms to protect data transmitted over Wi-Fi networks from unauthorized access and cyber threats.

Common Use Example:

A home network uses WPA to secure the Wi-Fi connection, requiring users to enter a passphrase or key for access. This prevents unauthorized users from connecting to the network and protects data during transmission.

Technical Definition for Professionals:

Wi-Fi Protected Access (WPA) is a security protocol designed to replace the earlier WEP (Wired Equivalent Privacy) standard, addressing vulnerabilities and enhancing wireless network security. Key aspects of WPA include:

  • Encryption: Using strong encryption algorithms such as AES (Advanced Encryption Standard) to encrypt data packets transmitted over Wi-Fi networks, ensuring confidentiality and privacy.
  • Authentication: Verifying the identity of devices attempting to connect to the network through mechanisms like pre-shared keys (PSK) or enterprise-level authentication methods (e.g., 802.1X/EAP).
  • Key Management: Generating and managing encryption keys dynamically to enhance security and prevent key reuse or compromise.
  • Security Enhancements: Implementing measures to defend against common Wi-Fi attacks such as brute force attacks, dictionary attacks, and packet sniffing.
  • WPA Versions: Evolving over time with updates and improvements, including WPA2 (enhanced version with stronger security) and WPA3 (latest version with additional security features).
Wi-Fi Protected Access (WPA)

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