The banking sector plays a vital role in the economic growth of a country, as it serves as the backbone of financial transactions and services. With the progression of technology, the banking industry has observed significant transformations, accompanied by a risen risk of security breaches and cybercrimes. This research paper studies the security measures adopted by the banking sector in Malaysia to safeguard customer data, prevent fraud, and ensure the reliability of financial transactions. The research uses a combination of qualitative research methods and an examination of current security practices.