This summary provides an overview of cross-site request forgery (CSRF) attacks, their impact, and strategies for protecting Node.js applications from such attacks. CSRF attacks exploit trust between a web browser and a legitimate website, allowing attackers to manipulate browsers into executing malicious actions on behalf of authenticated users. To safeguard against CSRF attacks, developers can implement robust countermeasures, including the synchronizer token pattern (STP), SameSite cookies, and the Double Submit Cookie pattern. These strategies help protect user data and prevent unauthorized actions, ensuring compliance with security standards and regulations. By regularly testing for vulnerabilities and applying best practices, such as combining multiple protection techniques and implementing a Content Security Policy, developers can build secure Node.js applications that mitigate risks and prevent malicious actors from exploiting them.