Can You Retake CAS-004 After Failing? Retake Rules Explained (2026)

Failed your CAS-004 exam? You’re not alone. The CompTIA Advanced Security Practitioner (CASP+) exam has one of the highest failure rates among CompTIA certifications, and many experienced security professionals need multiple attempts to pass.

The good news: you absolutely can retake CAS-004. The better news: failing once gives you valuable intelligence about what the exam actually tests and where your knowledge gaps are.

Direct answer

Yes, you can retake CAS-004 after failing. CompTIA allows multiple retake attempts with mandatory waiting periods between each attempt. You’ll need to pay the full exam fee again for each retake, and CompTIA requires waiting periods that typically start at 14 days for your first retake.

The exact waiting period and number of allowed retakes can vary, so check CompTIA’s official exam page for the most current retake policy as rules can change. What remains consistent is that CompTIA wants you to use the waiting period to genuinely improve your knowledge rather than just repeatedly attempting the same exam.

Most candidates who pass on their second attempt report that the waiting period was crucial for identifying and addressing their specific weak areas, particularly in the complex scenario-based questions that make CAS-004 challenging.

CAS-004 retake rules: the official policy

CompTIA’s retake policy for CAS-004 follows their standard certification retake framework, but it’s specifically designed to prevent candidates from treating the exam as a learning exercise through repeated attempts.

The policy typically includes these key components:

Mandatory waiting periods between attempts that increase with each failed retake. Your first retake usually requires a shorter waiting period than subsequent attempts.

Full payment required for each attempt. There are no discounts for retakes - you’ll pay the complete exam fee each time.

Score reports provided after each failed attempt, showing your performance in each domain. This feedback becomes your roadmap for focused study.

No limit on total attempts in most cases, though the waiting periods can become quite long after multiple failures.

Same exam version for all attempts within a given timeframe. You won’t get completely different questions, but you also won’t see identical questions repeated.

The specific details - exact waiting periods, maximum number of attempts, and any regional variations - can change. Check CompTIA’s official exam page for the most current retake policy as rules can change.

What doesn’t change is CompTIA’s expectation that you use each waiting period for substantive preparation rather than just waiting out the clock.

How long do you have to wait before retaking CAS-004?

The waiting period structure typically follows CompTIA’s standard escalating timeline, but the exact periods can vary and change over time.

First retake: Usually around 14 days from your failed attempt date. This gives you time to analyze your score report and adjust your study approach without losing momentum.

Second retake: If you fail your first retake, the waiting period typically increases to around 14-30 days, though this can vary.

Subsequent retakes: Waiting periods generally continue to increase with each failed attempt, potentially extending to several months.

These waiting periods serve a specific purpose beyond just preventing rapid-fire retake attempts. CAS-004 covers complex, interconnected security concepts that benefit from extended study and practical application. The domains - Security Architecture (28%), Security Operations (30%), Security Engineering and Cryptography (26%), and Governance, Risk, and Compliance (15%) - require deep understanding rather than memorization.

Check CompTIA’s official exam page for the most current retake policy as rules can change. The exact waiting periods and how they escalate can be modified by CompTIA, and some regions may have different requirements.

The waiting period starts from your failed exam date, not from when you schedule your retake. So if you failed on January 1st with a 14-day waiting period, you can schedule your retake for January 15th or later, even if you don’t actually take it until February.

How much does a CAS-004 retake cost?

Each CAS-004 retake costs the full exam price - currently around $392 USD, though pricing can vary by region and may change over time.

There are no retake discounts, partial payments, or bundle deals that reduce the cost of subsequent attempts. CompTIA’s policy requires full payment for each attempt, making it expensive to repeatedly fail the exam.

Hidden costs of multiple retakes:

• Lost time from work for exam appointments
• Additional study materials if your original resources weren’t sufficient
• Potential costs for updated training courses or bootcamps
• Transportation and accommodation if you’re traveling to test centers

Regional pricing variations exist, so candidates outside the US should check local CompTIA pricing. Some regions offer the exam in local currency, while others price in USD.

Employer reimbursement policies vary widely. Some organizations will pay for one retake, others cover multiple attempts, and some only reimburse after you pass. Check your company’s training budget policies before scheduling retakes.

The financial impact of multiple retakes makes strategic preparation crucial. Most successful candidates report that investing more time and better resources in their retake preparation was more cost-effective than rushing into multiple attempts.

How many times can you retake CAS-004?

CompTIA typically doesn’t impose a hard limit on the total number of CAS-004 retake attempts, but the escalating waiting periods can make multiple retakes impractical.

Theoretical vs. practical limits: While you might be able to retake indefinitely, the increasing waiting periods mean that after several failures, you could be waiting months between attempts. Most candidates either pass within 2-3 attempts or reassess their approach entirely.

Score validity concerns: If you’re taking an extremely long time to pass due to multiple failures and long waiting periods, consider whether the security landscape will have evolved significantly by the time you finally pass. CAS-004 covers current security practices, and extensive delays might mean your eventual certification reflects outdated knowledge.

Career timing: Multiple retakes with long waiting periods can delay career advancement, job applications, or salary increases that depend on certification. Sometimes it’s worth stepping back and pursuing foundational certifications first.

Cost accumulation: At nearly $400 per attempt, multiple retakes become expensive quickly. After 3-4 attempts, you’ve spent over $1,500 - enough for comprehensive training programs that might be more effective than repeated exam attempts.

Check CompTIA’s official exam page for the most current retake policy as rules can change. While there’s typically no hard limit, CompTIA reserves the right to modify policies, and extreme cases of repeated failures might trigger additional requirements.

The practical limit for most candidates is 2-3 attempts. If you haven’t passed by the third attempt, it’s usually worth reassessing your preparation strategy, considering prerequisite knowledge gaps, or exploring alternative certification paths.

What changes between your first and second attempt

The exam content doesn’t fundamentally change between attempts, but your experience and preparation should be dramatically different.

What stays the same:

• The four exam domains and their weightings
• The overall difficulty level and question complexity
• The performance-based question format
• The passing score requirements
• The scenario-based approach to questions

What should change in your approach:

Your score report becomes your study guide. After your first attempt, you receive detailed feedback showing performance in each domain:

• Security Architecture (28%)
• Security Operations (30%)
• Security Engineering and Cryptography (26%)
• Governance, Risk, and Compliance (15%)

This breakdown reveals exactly where you struggled. Most retake candidates discover they need to focus on 1-2 specific domains rather than studying everything equally.

Question familiarity without repetition. You won’t see identical questions, but you’ll recognize the scenario-based format and complexity level. This familiarity should reduce test anxiety and improve time management.

Refined study materials. Your first attempt revealed which study resources were insufficient. Successful retake candidates often invest in different books, practice tests, or training courses that better match the actual exam’s complexity.

Improved scenario analysis skills. CAS-004’s strength is its realistic, complex scenarios. After seeing the actual exam format, you can practice breaking down multi-layered security problems more effectively.

Better time management strategy. Knowing the actual pacing required helps you allocate time more effectively between multiple-choice and performance-based questions.

The biggest change should be moving from broad, general study to targeted preparation focused on your specific weak areas identified in the score report.

How to use the waiting period strategically

The mandatory waiting period isn’t just dead time - it’s your opportunity to transform your approach and dramatically improve your chances of passing.

Week 1: Analysis and planning Start by thoroughly analyzing your score report. Identify which of the four domains caused your failure:

• Security Architecture (28%): Did you struggle with enterprise security design, integration challenges, or risk assessment methodologies?
• Security Operations (30%): Were the issues with incident response, monitoring, or forensics concepts?
• Security Engineering and Cryptography (26%): Did cryptographic implementations, secure coding, or PKI concepts trip you up?
• Governance, Risk, and Compliance (15%): Were regulatory requirements, risk frameworks, or policy development your weak points?

Don’t just study “everything” again. Focus 70% of your retake preparation on your weakest domains.

Week 2: Resource evaluation and replacement If your original study materials didn’t prepare you for the actual exam complexity, find better resources. Look for materials that specifically emphasize:

• Complex, multi-step scenarios rather than isolated facts
• Enterprise-level thinking rather than technical details alone
• Integration challenges between different security technologies
• Real-world implementation problems

Weeks 3-4: Targeted deep study Focus intensively on your identified weak areas. For CAS-004, this means:

• Scenario-based practice: Work through complex, multi-layered security problems
• Integration thinking: Practice connecting different security technologies and frameworks
• Enterprise perspective: Study how security decisions impact entire organizations
• Hands-on application: If possible, implement or work with the technologies you struggled with on the exam

Final days: Confidence building Take practice exams that match the actual exam’s scenario complexity. Focus on timing and stamina rather than learning new concepts.

The waiting period forces you to step back and identify root causes rather than just studying harder with the same ineffective approach.

The biggest retake mistake CAS-004 candidates make

The most common retake mistake is studying harder instead of studying smarter - using the same approach and materials that didn’t work the first time.

Mistake: Studying everything equally again Many candidates treat their retake like a completely fresh start, reviewing all domains equally. This wastes time on areas where you’re already competent and doesn’t address the specific knowledge gaps that caused your failure.

Better approach: Use your score report to allocate study time proportionally. If you scored poorly in Security Operations (30%) but well in

Governance, Risk, and Compliance (15%), spend 60% of your retake study time on Security Operations and only 10% reviewing GRC concepts.

Mistake: Using the same inadequate study materials If your original books, videos, or practice tests didn’t prepare you for the actual exam’s complexity, using them again won’t suddenly make them effective. CAS-004 requires materials that emphasize enterprise-level scenario analysis, not just technical memorization.

Better approach: Invest in resources specifically designed for scenario-based learning. Practice realistic CAS-004 scenario questions on Certsqill — with AI Tutor explanations that show exactly why each answer is right or wrong.

Mistake: Rushing back into the retake Some candidates schedule their retake for the earliest possible date, treating the waiting period as an inconvenience rather than an opportunity. This approach usually leads to the same result because the fundamental preparation problems haven’t been addressed.

Better approach: Use the full waiting period for strategic improvement. Even if you could retake after 14 days, consider whether you need more time to truly address your weak areas.

Mistake: Focusing on memorization instead of application CAS-004 isn’t a memorization exam. It tests your ability to apply security knowledge to complex, realistic scenarios. Studying by memorizing more facts usually doesn’t improve scenario analysis skills.

Better approach: Practice breaking down complex security problems into component parts, identifying stakeholder concerns, and evaluating solution trade-offs.

Signs you’re ready for your CAS-004 retake

Don’t schedule your retake just because the waiting period is over. Look for specific indicators that your preparation has genuinely improved your chances of success.

Domain knowledge indicators:

• You can consistently score 80%+ on practice tests that match the actual exam’s scenario complexity
• You understand not just “what” but “why” and “when” for security solutions
• You can analyze multi-layered security problems and identify the best approach among several viable options
• You can explain how security decisions impact different stakeholders (technical teams, management, compliance, users)

Scenario analysis improvement:

• You can read a complex scenario and quickly identify the primary security concern
• You understand how different security technologies integrate and conflict with each other
• You can evaluate solutions based on enterprise constraints (budget, timeline, regulatory requirements)
• You recognize when a technically perfect solution isn’t the best business decision

Test-taking readiness:

• You can maintain focus and analytical thinking for the full 165-minute exam duration
• You have a clear strategy for approaching performance-based questions
• You can manage time effectively between different question types
• You feel confident rather than anxious about the scenario-based question format

Red flags that you’re not ready:

• You’re still discovering new concepts in your weak domains
• Practice test scores are inconsistent or below 75%
• You’re relying on memorized answers rather than genuine understanding
• You can’t explain why wrong answers are incorrect
• You’re hoping to “get lucky” with easier questions

The key indicator is whether you can consistently demonstrate the enterprise-level security thinking that CAS-004 requires, not just technical knowledge.

Alternative strategies if multiple retakes aren’t working

If you’ve failed CAS-004 multiple times, continuing to retake might not be the most effective path forward. Consider these strategic alternatives that can still advance your security career.

Build prerequisite knowledge first: CAS-004 assumes advanced security experience. If you’re struggling consistently, you might benefit from strengthening foundational knowledge through:

• Security+ (SY0-701): Ensures solid security fundamentals
• CySA+ (CS0-003): Develops analytical thinking and SOC experience
• GSEC: Provides broad, deep security knowledge
• Practical experience in security operations, architecture, or engineering roles

Pursue equivalent certifications: Several other advanced certifications cover similar material and might align better with your learning style:

• CISSP: More management-focused but covers similar enterprise security concepts
• GCIH: Strong incident response and forensics focus
• CISSP concentrations: Specialized areas that might match your interests better

Focus on hands-on experience: Sometimes certification follows experience rather than preceding it. Consider:

• Taking on security architecture projects in your current role
• Volunteering for incident response team participation
• Building lab environments to practice the technologies CAS-004 covers
• Pursuing security engineering responsibilities that align with exam domains

Timing considerations:

• Will continuing to pursue CAS-004 delay other career opportunities?
• Are there immediate job requirements that other certifications could satisfy?
• Would practical experience be more valuable than certification for your specific career goals?

Cost-benefit analysis: After multiple failed attempts, calculate the total investment (exam fees, study time, opportunity cost) versus pursuing alternative certifications or focusing on practical experience that could advance your career more effectively.

Remember: certification is a tool for career advancement, not an end goal. If CAS-004 isn’t working after multiple serious attempts, pivoting to alternatives that better match your learning style and career timeline can be the smarter strategic choice.

Frequently Asked Questions

Q: If I fail CAS-004, do I have to wait exactly 14 days before I can retake it?

A: The waiting period varies and can change based on CompTIA’s current policy. While 14 days is commonly cited for first retakes, the exact timeframe depends on your specific situation and attempt number. Check CompTIA’s official exam page for the most current retake policy as rules can change. The waiting period starts from your failed exam date, so you can schedule your retake for any date after the waiting period expires.

Q: Will I see the same questions on my CAS-004 retake?

A: You won’t see identical questions repeated, but you’ll encounter the same types of complex, scenario-based questions with similar difficulty levels. CompTIA draws from a large question pool, so while the specific scenarios and details will be different, the format, complexity, and domain coverage remain consistent. This means your first attempt experience helps with familiarity but doesn’t give you specific question advantages.

Q: Can I use vouchers or get discounts for CAS-004 retakes?

A: CompTIA typically requires full payment for each retake attempt - around $392 USD currently. Standard exam vouchers work for retakes, but there are no specific “retake discounts.” Some employers offer reimbursement for multiple attempts, and occasionally third-party training providers include retake vouchers with their courses. However, don’t count on reduced pricing - budget for the full exam fee for each attempt.

Q: How detailed is the CAS-004 score report after failing?

A: The CAS-004 score report provides your performance breakdown across all four exam domains: Security Architecture (28%), Security Operations (30%), Security Engineering and Cryptography (26%), and Governance, Risk, and Compliance (15%). It shows whether you performed “Above Target,” “Near Target,” or “Below Target” in each area, giving you specific direction for retake preparation. This domain-level feedback is crucial for focusing your study efforts on actual weak areas rather than guessing.

Q: If I keep failing CAS-004, will CompTIA eventually ban me from taking it?

A: CompTIA doesn’t typically ban candidates from retaking CAS-004, but the escalating waiting periods between attempts can make multiple retakes impractical. Each failed attempt usually increases the waiting period, so after several failures, you might be waiting months between attempts. While there’s generally no hard limit on total attempts, the time and cost make it more practical to reassess your approach or consider alternative certifications after 2-3 failures.

Related Articles

• I Failed CompTIA CASP+ (CAS-004): What Should I Do Next?
• CAS-004 Score Report Explained: What Your Result Really Means
• How to Study After Failing CAS-004: Your Recovery Plan for the Retake
• Why Do People Fail CAS-004? 7 Common Mistakes to Avoid
• Does Failing CAS-004 Hurt Your Career? The Honest Answer