AbstrakMinimarket Aisyiyah Cabang Kaliwates, Kabupaten Jember, merupakan unit usaha baru yang dibangun untuk mendukung kemandirian ekonomi organisasi Aisyiyah Cabang Kaliwates Kabupaten Jember. Sebagai minimarket yang baru dibangun, minimarket PCA Kaliwates belum memiliki sistem keamanan yang memadai, terutama untuk mengantisipasi potensi pencurian. Berdasarkan hal tersebut maka kegiatan pengabdian kepada masyarakat ini bertujuan untuk meningkatkan sistem keamanan minimarket melalui implementasi teknologi Closed Circuit Television (CCTV). Metode kegiatan meliputi survei lokasi, identifikasi kebutuhan perangkat CCTV, pemasangan perangkat CCTV, integrasi sistem dan pengujian, pelatihan pengoperasian CCTV, serta monitoring dan evaluasi. Hasil kegiatan menunjukkan bahwa seluruh kamera CCTV yang terpasang di sekitar minimarket berhasil menampilkan dan merekam aktivitas di sekitar minimarket dengan jelas dan koneksi yang stabil ke cloud storage, sehingga data dapat disimpan dan diakses kapan saja. Kata kunci: CCTV berbasis IoT; minimarket; pencegahan pencurian; sistem keamanan AbstractAisyiyah Minimarket, Kaliwates Branch, Jember Regency, is a new business unit built to support the economic independence of the Aisyiyah organization, Kaliwates Branch, Jember Regency. As a newly built minimarket, the PCA Kaliwates minimarket does not yet have an adequate security system, especially to anticipate potential theft. Based on this, this community service activity aims to improve the minimarket security system through the application of Closed Circuit Television (CCTV) technology. Activity methods include site surveys, identifying CCTV device needs, CCTV device installation, system integration and testing, CCTV operation training, as well as monitoring and evaluation. The results of the activity show that all CCTV cameras installed around the minimarket have succeeded in displaying and recording activities around the minimarket clearly and with a stable connection to cloud storage, so that data can be stored and accessed at any time. Keywords: IoT based CCTV; minimarket; theft prevention; security systems