MongoDB, like any database system, has its own set of security risks that users should be aware of. Here are some common security risks associated with MongoDB: Default Settings: If MongoDB is installed with default settings, it may not be secure. For example, older versions had default settings that allowed unauthenticated access. Always configure security settings during installation. Insecure Network Configuration: If MongoDB is exposed to the internet without proper security measures (like firewalls or VPNs), it can be vulnerable to unauthorized access and attacks. Lack of Authentication: If authentication is not enabled, anyone can access the database. MongoDB supports various authentication mechanisms, and it's crucial to enable them. Insufficient Access Control: Not implementing proper role-based access control (RBAC) can lead to unauthorized users accessing sensitive data or performing unauthorized actions. Data Exposure: Without encryption, sensitive data stored in MongoDB can be exposed in transit or at rest. Using TLS/SSL for data in transit and enabling encryption at rest is essential for securing sensitive information. Injection Attacks: Like SQL injection in relational databases, MongoDB can be susceptible to NoSQL injection attacks if user inputs are not properly sanitized. Always validate and sanitize inputs to prevent this risk. Unpatched Vulnerabilities: Running outdated versions of MongoDB may expose you to known vulnerabilities. Regularly updating MongoDB and applying security patches is crucial for maintaining security. Logging and Monitoring: Insufficient logging and monitoring can make it difficult to detect suspicious activities or breaches. Implementing robust logging and monitoring practices is essential for identifying security incidents. Backup Security: If backups are not secured, they can be accessed by unauthorized users, potentially exposing sensitive data. Ensure that backup files are encrypted and access is controlled. Third-party Libraries: Using unverified or outdated third-party libraries with MongoDB can introduce vulnerabilities. Always verify the security of libraries and keep them updated.