Masifnya perubahan lingkungan strategis terutama yang dilatarbelakangi oleh kemajuan teknologi informasi memunculkan permasalahan terkait keamanan nasional, khususnya pada kalangan generasi muda. Penelitian ini mengadopsi Teori Nilai Schwartz (2002), Teori Nasionalisme Kusumawardhani (2004) dan Hafnidar (2021), serta teori dari Stephan (2009) tentang Ancaman antar Kelompok dan Jacob (2010) tentang Model Lima Besar Keamanan Nasional. Berdasarkan teori tersebut penulis menyusun angket nilai personal (ANP), angket sikap nasionalisme (ASN), dan angket persepsi keamanan nasional (APKN) untuk mengetahui saling hubungan antar variabel. Penelitian ini bertujuan menguji tingkat persepsi keamanan nasional dari generasi muda, menguji pengaruh nilai-nilai personal dan sikap terhadap nasionalisme generasi muda secara bersama-sama pada persepsi keamanan nasional, menguji pengaruh nilai-nilai personal generasi muda pada persepsi keamanan nasional, menguji pengaruh sikap nasionalisme generasi muda pada persepsi keamanan nasional, dan menguji pengaruh nilai-nilai personal pada sikap terhadap nasionalisme generasi muda. Metode yang digunakan adalah kuantitatif dengan menggunakan metode analisis regresi linier berganda. Menggunakan sampel 291 orang yang dipilih secara acak dari 316 generasi muda berumur 16-30 tahun dari semua kalangan. Hasil penelitian ini adalah tingkat persepsi keamanan generasi muda berada dalam taraf sedang, Nilai-nilai personal dan Sikap Nasionalisme generasi muda secara bersama-sama berpengaruh positif pada Persepsi Keamanan Nasional, Nilai-nilai Personal generasi muda berpengaruh positif pada Persepsi Keamanan Nasional, Sikap Nasionalisme generasi muda berpengaruh positif pada Persepsi Keamanan Nasional, serta Nilai-nilai Personal generasi muda berpengaruh positif pada Sikap Nasionalisme generasi muda.

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The massive changes in the strategic environment, especially for those which driven by development of information technology, raises problems related to national security, especially among the young generation. This theory adopted from Schwartz's Theory of Values ​​(2002), Kusumawardhani's Theory of Nationalism (2004) and Hafnidar (2021), as well as the theory of Stephan (2009) concerning Intergroup Threats and Jacob (2010) concerning the Big Five Model of National Security. Based on this theory, the writer compiles a questionnaire about personal values (ANP), questionnaire about nationalism behaviour (ASN), and a questionnaire about national security perceptions (APKN) to find out the relations between variables. This study aims to examine the level of perceptions of national security from the young generation, examine the influence of personal values and attitudes towards nationalism of the young generation together on perceptions of national security, examine the influence of personal values ​​of the younger generation on perceptions of national security, examine the influence of nationalism behaviour towards young generation on perceptions of national security, and examine the influence of personal values ​​on behaviour towards nationalism of the young generation. The method used of this study is quantitative using multiple linear regression analysis method which samples taken from 291 people that is randomly selected from 316 young people which aged is between 16-30 years from all social backgrounds. The results of this study are supposed to knowing the level of security perceptions of the young generation now is at the stage of medium level, the personal values ​​and behaviours of nationalism of the young generation have positive effect on the perception of national security, the personal values ​​of the young generation have a positive effect on the perception of national security, and the behaviour of nationalism of the young generation have positive effect on the perception of national security, and the personal values ​​of the young generation have positive effect on the behaviour of nationalism of the young generation.