Firly, Muhamad Firly, Muhamad Ridwan Nurrulloh, Maulana Farras Fathurrahman, and Abdul habib Hasibuan. 2025. “Improving Cyber ​​Security and the Use of Social Media in Information Technology in the Digital Era at SMK Media Informatika”. Journal of Community Service Synergy 1 (1): 12-17. https://journal.jci.co.id/jspm/article/view/18.