Security models are frameworks that help organizations understand and implement security measures to protect their information and systems. These models provide guidelines for assessing risks, defining security policies, and ensuring compliance with regulations. Common examples include the Bell-LaPadula Model, which focuses on maintaining data confidentiality, and the Biba Model, which emphasizes data integrity. By using security models, organizations can create structured approaches to safeguard their assets against threats. They help in identifying vulnerabilities, establishing access controls, and ensuring that sensitive information is only accessible to authorized users. Overall, security models are essential for effective risk management in the digital landscape.