<![CDATA[The rapid development of information and communication technology has significantly affected the digital lifestyle of teenagers, including students at SMA N 4 Padang. However, high digital activity is often not proportional to adequate cyber security literacy, making students vulnerable to cyber crimes such as social engineering, identity theft, and phishing. This community service (PKM) aims to provide education and practical skills regarding basic cyber security and personal data protection. The method used is an interactive and collaborative mentoring approach, including presentation of material, data breach checks simulation, strong password creation challenge, and step-by-step assistance in activating Two-Factor Authentication (2FA). The evaluation was carried out using pre-test and post-test instruments. The results of the activity showed a significant increase in students' understanding, where the average score increased from 45.3% (pre-test) to 87.5% (post-test). The program successfully engaged 36 students who actively configured advanced privacy controls on their devices, creating a sustainable digital security culture in the school environment.]]>
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