Rusdianto, R., and R. . Yusuf. “Comparison of Port Scanning, Vulnerability Scanning, and Penetration Testing Combinations for Network Vulnerability Detection in GNS3 Testbed”. Jurnal Teknik Informatika (Jutif), vol. 6, no. 5, Oct. 2025, pp. 3526-42, doi:10.52436/1.jutif.2025.6.5.4917.