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All Journal MAHESA : Malahayati Health Student Journal Journal of Progressive Information, Security, Computer and Embedded System
Saripa, Saripa
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Computer Science & IT Dentistry Engineering Health Professions Nursing Public Health

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Implementation Implementation of a File Security System Using the AES Algorithm to Secure Personal Files: Implementasi Sistem Keamanan File Menggunakan Algoritma AES untuk Mengamankan File Pribadi Saripa, Saripa
Progressive Information, Security, Computer, and Embedded System Vol. 2, No. 1 Maret (2024)
Publisher : Sakura Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61255/pisces.v1i2.100

Abstract

In this growing digital age, data security is becoming increasingly important as more and more information is stored in digital files which are vulnerable to attacks and unauthorized access. To protect the privacy and confidentiality of personal information, an effective and reliable file security system is required. One effective way is to use cryptographic algorithms such as Advanced Encryption Standard (AES) which have been widely used in various applications that require a high level of security. Implementation of a file security system using the AES algorithm can be an effective and reliable solution for securing personal document files from attacks and unauthorized access and maintaining the privacy and confidentiality of personal information. This study uses the method of Literature Study, Design & Analysis, Implementation, and Testing to analyze and implement the AES algorithm using the PHP programming language and MySQL database. The results showed that the AES algorithm can guarantee the security of the six types of files tested, namely images, Word documents, PDF, Excel and PowerPoint. The AES algorithm can be an effective choice for securing document and image data safely and reliably.
Effectiveness of Virtual Technology Based Training for Posyandu Cadres in Preventing Stunting Muchlisa, Nurul; Bausad, Aynun Abdi Putri; Saripa, Saripa
MAHESA : Malahayati Health Student Journal Vol 6, No 5 (2026): Volume 6 Nomor 5 (2026)
Publisher : Universitas Malahayati

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33024/mahesa.v6i5.22908

Abstract

ABSTRACT Stunting is a major public health issue in Indonesia, with a national prevalence of 19.8% in 2024, including in Jeneponto Regency, which reaches 25-30% among toddlers. The role of Posyandu cadres is crucial in prevention, but it is limited by low knowledge of stunting prevention, anthropometric measurements, and nutrition education. Virtual technology-based training, such as via Zoom, is expected to efficiently enhance cadre capacity. The purpose of this study is to assess the effectiveness of virtual training through Zoom in improving the knowledge of Posyandu cadres regarding stunting prevention in Benteng and Pallengu Villages, Bangkala Subdistrict, Jeneponto Regency. The research method used is a quasi-experimental study with a pre-post test with control group design. The sample consisted of 52 cadres (26 intervention, 26 control) selected by simple random sampling. The intervention involved virtual training on stunting prevention, anthropometry, and nutrition education. Data were analyzed using the Wilcoxon test in SPSS. The results showed that in the intervention group, knowledge significantly increased from a pre-test mean of 61.52 ± 18.37 to a post-test mean of 79.71 ± 13.17 (p=0.001). The control group only increased from 61.07 ± 16.22 to 69.89 ± 18.27 (p=0.332). The majority of respondents were aged 15-35 years (65.38%) and had secondary school education (80.77%). The conclusion is that virtual training is effective in improving cadre knowledge, supporting sustainable stunting prevention.  Keywords: Stunting, Posyandu Cadres, Virtual Training, Zoom, Prevention.
Co-Authors Bausad, Aynun Abdi Putri Muchlisa, Nurul