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All Journal SIGMA: Information Technology Journal Ranah Research : Journal of Multidisciplinary Research and Development VIDHEAS: Jurnal Nasional Abdimas Multidisiplin Jurnal Pelita Pengabdian
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Journal : SIGMA: Information Technology Journal

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Implementasi Steganografi Menggunakan Metode Least Significant Bit (LSB) Berbasis Web (Studi Kasus : PT Bank Tabungan Negara) Turmudi Zy, Ahmad; Isarianto; Susilo, Arif; Mustafanah, Alif
Jurnal SIGMA Vol 14 No 3 (2023): September 2023
Publisher : Teknik Informatika, Universitas Pelita Bangsa

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Dalam sebuah perusahaan pasti terdapat sebuat interaksi pertukaran informasi baik pesan, data ataupun gambar untuk pertukaran tersebut di butuhkan sebuah aplikasi yang dapat mengirim dan menerima sebuah informasi, tak jarang sebuah perusahaan menggunakan social media sebagai alat pertukaran informasi. Dalam pertukaran informasi yang berkaitan dengan rahasia perusahaan di butuhkan keamanan yang sangat extra mengingat banyak sekali peretasan terhadap social media. Oleh karena itu untuk menyiasatinya kita membutuhkan kemanan tambahan yang dapat menyembunyikan pesan tersebut tanpa di ketahui oleh orang lain. dari permasalahan peretasan diatas penulis berusaha mencari keamanan tambahan untuk pertukaran pesan antara karyawan perusahaan yang aman dan tidak diketahui orang lain, kemudian penulis menemukan Steganografi yaitu teknik menyembunyikan pesan kedalam gambar jadi selain si pengirim dan si penerima tidak akan tahu bahwa gambar tersebut berisi pesan. Untuk metodenya penulis mengambil Leas Significant Bit karena dalam penerapannya wadah untuk mengisi pesan lebih banyak. Kata kunci: Steganografi, Secret Massage with Image, Image, Steganografi LSB.
Penerapan Metode Clustering Dalam Pengelompokkan Data Curah Hujan Dengan Algoritma K-Means Susilo, Arif; Wahab, Abdul
Jurnal SIGMA Vol 14 No 4 (2023): Desember 2023
Publisher : Teknik Informatika, Universitas Pelita Bangsa

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High rainfall can cause natural disasters such as floods, landslides and flash floods. This phenomenon has become more frequent and more severe in recent years, and Indonesia as a tropical country is very vulnerable to natural disasters caused by extreme weather. The Meteorology, Climatology and Geophysics Agency (BMKG) notes that the high number of hydrometeorological disasters cannot be separated from climate change. The BMKG Climate Variability Analysis Coordinator said that BMKG monitoring results in the last 40 years indicated that extreme rainfall in Indonesia had an increasing trend, both in terms of frequency and intensity. The causes of disasters due to rainfall are climate change, population growth and urbanization which increase the risk of natural disasters. Climate change causes rainfall to become more irregular and intense. Population growth causes an increase in settlements in areas that are vulnerable to disasters, so that the risk of disasters becomes higher. Urbanization also causes a reduction in the area of natural areas that can absorb rainwater, resulting in floods and landslides. According to data obtained from the Indonesian Disaster Information Data site (https://dibi.bnpb.go.id/) there were 2690 floods, 2228 landslides and 272 droughts that occurred in Indonesia in the period 2017 to 2018, and landslides is the most common disaster, in 2020 there were 3,232 landslides recorded in West Java. Keywords: Calstering, Algorithm, Rainfall, Kemeans
Co-Authors Abdul Rohim, Abdul Abdul Wahab Amali, Amali Andriani Arwan Sulaeman, Asep Isarianto Iwan Mulyana Mustafanah, Alif Naya, Candra Nugroho, Agung Sarifah Faujiah, Rani Setyawan, Wisnu Turmudi Zy, Ahmad Wangsadanureja, Miftah Wiyanto -