Vulnerability Analysis of Wireless LAN Networks Using Penetration Testing Execution Standard: A Case Study of Cafes in Palembang

Currently, Wireless LAN has been widely used in public places, one of which is cafe. Wireless LAN that are increasingly developing still have problems when implementing this network, one of which is security issues. Thus, this study aims to evaluate the security of WLAN networks in cafe. This can be done using the Vulnerability Assessment and Penetration Testing methods. Penetration Testing Execution Standard (PTES) was used as a standard for this experiment. Penetration testing is conducted by simulating several attacks to the network, namely Unauthorized Access Attack, DoS Attack, and Packet Sniffing. The test results showed that WLAN security in each cafe still has vulnerabilities that can be exploited, where these results state that all attacks carried out were successful.