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        <dc:title>DETEKSI WEBSITE PHISHING BERDASARKAN&#13;
ANALISIS STRUKTUR URL MENGGUNAKAN&#13;
ALGORITMA MACHINE LEARNING</dc:title>
        <dc:creator>Nadzirullah, Muh. Ilham</dc:creator>
        <dc:subject>000 Ilmu komputer, informasi dan pekerjaan umum</dc:subject>
        <dc:subject>005 Pemrograman komputer, program dan data</dc:subject>
        <dc:description>Perkembangan teknologi informasi telah meningkatkan penggunaan &#13;
internet secara luas, namun juga diikuti dengan meningkatnya ancaman keamanan&#13;
siber, salah satunya website phishing. Website phishing merupakan situs palsu yang&#13;
dirancang menyerupai situs resmi untuk memperoleh informasi sensitif pengguna,&#13;
seperti username, password, dan data finansial. Metode deteksi konvensional&#13;
seperti blacklist dan rule-based detection dinilai kurang efektif dalam mendeteksi&#13;
URL phishing baru, sehingga diperlukan pendekatan yang lebih adaptif melalui&#13;
penerapan machine learning.  &#13;
Penelitian ini bertujuan untuk mengembangkan model deteksi website&#13;
phishing berbasis analisis struktur URL menggunakan algoritma machine learning.&#13;
Algoritma yang digunakan dalam penelitian ini adalah XGBoost, LightGBM, dan&#13;
Random Forest. Metode penelitian meliputi pengumpulan dataset, exploratory data&#13;
analysis (EDA), data preprocessing, pembagian dataset dengan rasio 80:20,&#13;
pelatihan model, evaluasi performa, serta analisis perbandingan antar algoritma.&#13;
Evaluasi model dilakukan menggunakan metrik Accuracy, Precision, Recall, F1Score,&#13;
dan&#13;
AUC-ROC&#13;
serta&#13;
divalidasi&#13;
dengan&#13;
metode&#13;
5-Fold&#13;
Cross&#13;
Validation.&#13;
&#13;
Hasil penelitian menunjukkan bahwa seluruh algoritma memiliki performa&#13;
yang sangat baik dalam mendeteksi website phishing. Algoritma LightGBM&#13;
memperoleh hasil terbaik dengan accuracy sebesar 97,01%, precision 96,82%,&#13;
recall 97,86%, F1-score 97,33%, dan AUC-ROC 99,69%. Berdasarkan hasil&#13;
tersebut, LightGBM dinilai sebagai model paling optimal dalam mendeteksi&#13;
website phishing berbasis analisis struktur URL.</dc:description>
        <dc:date>2026-04-21</dc:date>
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        <dc:identifier>  Nadzirullah, Muh. Ilham  (2026) DETEKSI WEBSITE PHISHING BERDASARKAN ANALISIS STRUKTUR URL MENGGUNAKAN ALGORITMA MACHINE LEARNING.  S1 - Sarjana thesis, Universitas AMIKOM Yogyakarta.   </dc:identifier></oai_dc:dc>
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