Harmen, H., Limbong, M.S.N., Simare-mare, S.G., Bintang, D.A., Bangun, K.R., Harahap, N.S. and Nababan, H.H. 2025. Analisis Pengambilan Keputusan dalam Menyikapi Isu Keamanan Digital (Notifikasi "No System is Safe") di PT Telkomsel. SCIENTIFIC JOURNAL OF REFLECTION : Economic, Accounting, Management and Business. 8, 4 (Oct. 2025), 1646-1652. DOI:https://doi.org/10.37481/sjr.v8i4.1307.