Wired Equivalent Privacy (WEP) is a security protocol for wireless networks, defined under the IEEE 802.11 standard. Its purpose was to provide data confidentiality comparable to that of a traditional wired network. As an illustration, WEP aimed to prevent unauthorized access to information transmitted over Wi-Fi, similar to how physical cables secure data in Ethernet networks.
However, WEP’s cryptographic vulnerabilities have been widely documented and exploited. The protocol is now considered obsolete and insecure due to weaknesses in its key management and encryption algorithms. Historically, WEP was a significant first attempt at wireless security, but its limitations led to the development of stronger protocols such as WPA and WPA2. Its early adoption highlights the initial need for securing wireless communications, but its subsequent failure underscores the rapid evolution of cybersecurity threats and the importance of robust encryption methods.