PENERAPAN HIERARKI CERTIFICATE AUTHORITY DAN PUBLIC KEY INFRASTRUCTURE UNTUK MEMPERKUAT KEAMANAN JARINGAN. Cyberspace: Jurnal Pendidikan Teknologi Informasi, [S. l.], v. 9, n. 1, p. 63–74, 2025. DOI: 10.22373/cj.v9i1.27159. Disponível em: https://jurnal.ar-raniry.ac.id/index.php/cyberspace/article/view/27159. Acesso em: 18 may. 2026.