Which security protocol is commonly used in Aruba networks to secure WLANs?

WPA2 (Wi-Fi Protected Access 2) is a widely used security protocol in Aruba networks for securing wireless local area networks (WLANs). It provides robust encryption and authentication mechanisms, significantly enhancing the security of wireless communications compared to earlier protocols.

WPA2 utilizes Advanced Encryption Standard (AES) for data encryption, making it resilient against many common attacks that target less secure protocols. Its implementation of the counter mode with cipher block chaining message authentication code protocol (CCMP) adds a strong layer of security, ensuring the integrity and confidentiality of the data transmitted over the airwaves.

By using WPA2, organizations can benefit from strong network security policies, wireless device authentication, and improved overall protection for sensitive information transmitted via WLANs. This is particularly essential in enterprise environments, where safeguarding against unauthorized access and ensuring secure connections are critical for maintaining network integrity and protecting user data.

In contrast, WEP is known to have significant vulnerabilities and is largely considered obsolete. EAP is more of an authentication framework and can be a part of the WPA2 security implementation. SSL, while a strong protocol for securing web traffic, is not specific to WLAN security. Thus, WPA2 emerges as the clear choice for securing WLANs in Aruba networks.