The research explores how businesses can balance effective marketing strategies with responsible data protection. Through statistical analysis using SPSS, the study investigates the connection between proper data security practices and growing customer trust. With a sample of 300 customers, the study examines key factors such as data breach incidents, transparency in data use, customer consent, and encrypted storage. Social media has become a powerful tool for reaching large audiences, but concerns remain about how the information shared and collected is being managed. This paper highlights the importance of strong security measures and clear customer consent when using personal data in digital marketing. It emphasizes the need to guard against cyber threats by adopting tools like encryption and two-factor authentication, which not only strengthen data security but also improve customer satisfaction. The results underline the critical role of ethical standards and preventive security measures in safeguarding customer information. It confirms that maintaining strong data security is essential for building lasting customer relationships and achieving long-term success in the digital marketing space. Ultimately, this research sheds light on the ethical challenges surrounding data privacy and stresses the importance of transparency and responsible data handling in today’s digital world