Q. What role does error handling play in the defense-in-depth approach to security?

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Q. How can overly verbose error handling routines pose a risk to web application security?

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Q. What is the term for including usernames and passwords in source code, creating a potential backdoor vulnerability?

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Q. In web application development, what risk is associated with accidentally disclosing code containing API keys or access credentials?

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Q. Why is it problematic to include a hard-coded maintenance account with a backdoor password in web application source code?

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Q. What can developers do to mitigate the risk of hard-coded credentials being disclosed in public repositories?

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Q. What precaution should developers take regarding source code comments in web applications?

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Q. Why might source code comments include security details that should remain secret?

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Q. What is a race condition in the context of security vulnerabilities?

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Q. What does TOCTTOU stand for in the context of race conditions?

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Q. How can developers address TOCTTOU vulnerabilities?

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Q. Why should APIs be properly secured with authentication mechanisms?

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Q. What standard has largely replaced SOAP in modern APIs?

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Q. What is the primary security consideration for communications between clients and servers using APIs?

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Q. Why is the use of API keys important for securing non-public APIs?

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Q. What risk is associated with running unsigned code?

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Q. How does code signing contribute to code authenticity?

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Q. What is the purpose of code signing in the context of end-user security?

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Q. What is the main concern addressed by the OWASP Top Ten Web Application Security Risks?

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Q. What is "injection flaws" in the context of web security?

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