Instruction: List and explain security best practices for developing secure Vue.js applications.
Context: This question examines the candidate's awareness and implementation of security measures in Vue.js applications, reflecting their ability to develop applications that protect user data and privacy.
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Firstly, Content Security Policy (CSP) is a crucial security measure. CSP is an added layer of security that helps detect and mitigate certain types of attacks, including Cross-Site Scripting (XSS) and data injection attacks. In my projects, I use CSP by adding the appropriate HTTP header to instruct the browser to only execute or render resources from the white-listed sources. This significantly reduces the risk of XSS attacks.
For instance, setting Content-Security-Policy: script-src 'self'; ensures scripts are only loaded from the application's own domain....