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PELATIHAN KEAMANAN SIBER BAGI SISWA SMK NEGERI 3 BALIKPAPAN SEBAGAI BEKAL KESIAPAN MAGANG Agus Wijayanto; Aqilah Aulya Maulidah; Ghina Nur Madina; Aljosa Maynardian; Azzahra Noor Istiqomah; Desvita Triasasa Maharani; Alif Rizky Saputra; Abiyu Dzaki; Dicky Pratama Candra; Malik Endrianove; Mario Sahrul Ramadhani Rahman; Dicky Satrio Ikhsan Utomo; Muhammad Fahmi Abdillah
Madiun Spoor : Jurnal Pengabdian Masyarakat Vol 6 No 1 (2026): April 2026
Publisher : Politeknik Perkeretaapian Indonesia Madiun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37367/jkp5zq10

Abstract

Kegiatan pengabdian masyarakat ini bertujuan untuk meningkatkan literasi dan kemampuan teknis siswa jurusan Teknik Komputer dan Jaringan SMK Negeri 3 Balikpapan di bidang keamanan siber. Metode yang diterapkan adalah pelatihan hybrid yang menggabungkan penyampaian materi konseptual dengan praktik simulasi langsung. Materi teori meliputi konsep dasar keamanan informasi, jenis-jenis ancaman siber, serta prinsip perlindungan data. Sesi praktik difokuskan pada simulasi serangan backdoor menggunakan lingkungan virtual dengan konfigurasi mesin penyerang Kali Linux dan mesin korban. Peserta secara aktif terlibat dalam proses instalasi, konfigurasi, dan observasi terhadap mekanisme serangan dan dampaknya. Hasil evaluasi menunjukkan pemahaman peserta mengenai kerentanan sistem dan pentingnya langkah-langkah pencegahan. Kegiatan ini juga berhasil menumbuhkan sikap kritis dan kolaboratif di antara peserta. Sebagai output, siswa memperoleh bekal pengetahuan praktis yang langsung relevan dengan kebutuhan dunia kerja dan persiapan magang di bidang jaringan dan sistem keamanan. Pelatihan ini membuktikan efektivitas pendekatan learning-by-doing dalam pendidikan vokasi teknologi informasi.
Analisis Forensik Digital Serangan DoS pada Web Server Menggunakan Metode NIST SP 800-86 dan Suricata IDS Lilo Wedhar Widyastuti; Aqilah Aulya Maulidah; Yustian Servanda
RIGGS: Journal of Artificial Intelligence and Digital Business Vol. 5 No. 2 (2026): Mei-Juli
Publisher : Prodi Bisnis Digital Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/riggs.v5i2.9453

Abstract

Dental caries remains a major global oral health challenge, emphasizing the need for effective, biocompatible, and sustainable remineralization agents. This study aimed to synthesize biogenic nanohydroxyapatite (nHAp) from green mussel shell (Perna viridis) waste through a green synthesis approach and evaluate its physicochemical properties for potential dental remineralization applications. Green mussel shells containing 57.23% calcium were utilized as a natural precursor. The shells were calcined at 900°C to convert calcium carbonate into calcium oxide (CaO), followed by a controlled precipitation process and high-energy ball milling to obtain nanoscale particles. The synthesized material was characterized using Energy Dispersive X-Ray Fluorescence (EDXRF), Fourier Transform Infrared Spectroscopy (FTIR), Particle Size Analysis (PSA), X-Ray Diffraction (XRD), and Scanning Electron Microscopy coupled with Energy Dispersive X-Ray Analysis (SEM-EDX). FTIR results confirmed the formation of hydroxyapatite through the presence of phosphate (PO₄³⁻), hydroxyl (OH⁻), and carbonate (CO₃²⁻) functional groups. PSA analysis revealed particle sizes ranging from 40 to 60 nm, with the smallest average size of 40 nm obtained using 12 g CaO. XRD patterns exhibited characteristic hydroxyapatite diffraction peaks at approximately 25.9°, 31.8°, 32.9°, and 34.1° (2θ), indicating high crystallinity and phase purity. SEM observations showed predominantly spherical particle morphology, while EDX analysis produced a Ca/P ratio of 1.80. These findings demonstrate that Perna viridis shell waste is a promising and sustainable source for producing nanohydroxyapatite with favorable physicochemical properties for future dental remineralization applications.