The answer is setting the Secure and HttpOnly flags on session cookies. These flags are the most effective control for session hijacking prevention because the Secure flag ensures the cookie is only transmitted over HTTPS, preventing interception during transit, while the HttpOnly flag blocks client-side scripts like JavaScript from accessing the cookie, directly thwarting cross-site scripting (XSS) attacks that aim to steal session tokens. On the Systems Security Certified Practitioner SSCP exam, this concept tests your understanding of web application security fundamentals and how to prioritize layered defenses—a common trap is choosing encryption alone, which is redundant when HTTPS is already enforced, or relying on short expiration times, which reduce risk but do not prevent active theft. Remember the mnemonic “SHIELD”: Secure and HttpOnly flags Intercept and Eliminate Leaked Data.
SSCP Systems and Application Security Practice Question
This SSCP practice question tests your understanding of systems and application security. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A company deploys a new web application and wants to ensure that session tokens are not vulnerable to session hijacking. Which of the following controls is most effective?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Set the Secure and HttpOnly flags on session cookies.
Option C is correct because setting the Secure and HttpOnly flags ensures cookies are only sent over HTTPS and not accessible via JavaScript, preventing interception and XSS-based theft. Option A (encrypting cookies) is redundant if HTTPS is used; B (short expiration) helps but not primary; D (using IP binding) can cause issues; E (regenerating session ID) is good after login, but not the most effective overall.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Bind the session token to the user's IP address.
Why it's wrong here
IP binding can cause accessibility issues and may not prevent hijacking from same network.
✗
Set a short session timeout (e.g., 5 minutes).
Why it's wrong here
Short timeout reduces window of opportunity but does not prevent theft.
✗
Encrypt the session token using AES.
Why it's wrong here
Encryption of the token is unnecessary; HTTPS protects in transit.
✗
Regenerate the session ID after every request.
Why it's wrong here
Regenerating after each request is resource-intensive and may break functionality.
✓
Set the Secure and HttpOnly flags on session cookies.
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
Use explanations to understand the rule behind the answer.
TExam Day Tips
→Underline the problem statement mentally.
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A developer is choosing between AES-256 (symmetric) and RSA-2048 (asymmetric) for encrypting a large file that will be sent to a partner. Symmetric encryption is fast but requires key exchange; asymmetric is slower but solves the key distribution problem. A hybrid approach — encrypt the file with AES, encrypt the AES key with RSA — is standard. Questions like this test whether you understand when each approach applies.
What to study next
Got this wrong? Here's your next step.
Identify which SSCP exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Systems and Application Security — This question tests Systems and Application Security — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Set the Secure and HttpOnly flags on session cookies. — Option C is correct because setting the Secure and HttpOnly flags ensures cookies are only sent over HTTPS and not accessible via JavaScript, preventing interception and XSS-based theft. Option A (encrypting cookies) is redundant if HTTPS is used; B (short expiration) helps but not primary; D (using IP binding) can cause issues; E (regenerating session ID) is good after login, but not the most effective overall.
What should I do if I get this SSCP question wrong?
Identify which SSCP exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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