Secure Coding Fundamentals Certification
Tests secure coding against the OWASP Top 10 — injection, XSS, broken access control, authentication, secrets, dependencies, input validation and secure defaults. Pass to earn Secure Coding Fundamentals SOA-SCF.
- Intermediate difficulty.Assumes hands-on experience in the role.
- 15 scenario questions
- 15 minutes, timed
- 70% to pass · 90% for distinction
- Free no sign-up needed
- LinkedIn-ready · add it to your profile in one clickSee how ↓
What is the Secure Coding Fundamentals Certification?
The Secure Coding Fundamentals Certification is a free 15-minute skill test from Science of Apps. It tests secure coding against the OWASP Top 10 — injection, XSS, broken access control, authentication, secrets, dependencies, input validation and secure defaults. Score 70% or more on its 15 questions to earn a verifiable Secure Coding Fundamentals certificate (SOA-SCF). Every question is based on published standards and research — including OWASP Cheat Sheet Series (OWASP), OWASP Top 10 (OWASP), SP 800-63B: Digital Identity Guidelines (NIST) — and each answer is explained with its source.
Built for your job title
Software developer, Web developer, Application security engineer, Back-end engineer and DevSecOps engineer — and anyone who wants quick, verifiable proof of Secure Coding Fundamentals skills for a CV or LinkedIn.
- Software developer
- Web developer
- Application security engineer
- Back-end engineer
- DevSecOps engineer
Land the job, not just the certificate
Career guide · 8 min readSecure coding skills for developer jobs in 2027: the vulnerabilities interviews ask about and the habits employers want
Secure coding skills for developer jobs in 2027: injection, XSS, broken access control, secrets and supply chain, with examples and a plan.
Read the hiring playbook →What the test covers
Three skill areas with 5 questions each, drawn from a bank of 10 per area, so a retake brings questions you haven't seen.
- 01
Common vulnerabilities
33%- Injection
- Cross-site scripting
- Broken access control
- 02
Secure practices
33%- Authentication and secrets
- Dependencies
- Validation and secure defaults
- 03
Secure design and supply chain
33%- Threat modelling
- Software supply chain
- Logging and monitoring
Based on published standards
The questions are original scenarios, and each one names the public standard, official guide or research it draws on — shown under the question while you answer, and linked in your review. These are the sources behind this test:
- OWASP Cheat Sheet SeriesOWASP10 questions
- OWASP Top 10OWASP8 questions
- SP 800-63B: Digital Identity GuidelinesNIST2 questions
- Known Exploited Vulnerabilities CatalogCISA2 questions
- SP 800-207: Zero Trust ArchitectureNIST1 question
- Application Security Verification StandardOWASP1 question
- Top tips for staying secure onlineUK NCSC1 question
- Threat Modeling Manifestothreatmodelingmanifesto.org1 question
- Learn Node.jsOpenJS Foundation1 question
- Common Vulnerability Scoring SystemFIRST1 question
- Exploit Prediction Scoring SystemFIRST1 question
- Pro Git bookgit-scm.com1 question
Try a sample question
Which header helps stop clickjacking?
- Cache-Control
- Accept-Language
- ETag
- Content-Security-Policy frame-ancestors (or X-Frame-Options)
Show the answer
D. Content-Security-Policy frame-ancestors (or X-Frame-Options) — These headers control who can frame your pages. The real test has 15 questions like this.
How the test works
15 minutes, 15 questions
One question per screen, with a progress bar and a countdown. Your progress is saved on this device if you need to pause.
Graded on our server
Answers reach the page only after you submit, so the certificate can only be earned by passing.
Every answer explained
Pass or not, you see every question with the right answer, why, and the source behind it. Pass mark 70%, distinction 90%.
Your certificate
Founder-signed, with a QR code and credential ID. Download PDF or PNG, add to LinkedIn, and it's emailed to you.
What you earn

Pass, then add it to LinkedIn in one click
No typing. The Add to LinkedIn button opens your profile’s Licenses & certifications form already filled in: the certificate name, Science of Apps as the issuer, the issue date, your credential ID and a link recruiters can use to verify it.
- 1Take the 15-minute test
- 2Score 70% or more
- 3Click Add to LinkedIn

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Frequently asked questions
What is the Secure Coding Fundamentals Certification?
The Secure Coding Fundamentals Certification is a free 15-minute skill test from Science of Apps. It tests secure coding against the OWASP Top 10 — injection, XSS, broken access control, authentication, secrets, dependencies, input validation and secure defaults. Score 70% or more on its 15 questions to earn a verifiable Secure Coding Fundamentals certificate (SOA-SCF). Every question is based on published standards and research — including OWASP Cheat Sheet Series (OWASP), OWASP Top 10 (OWASP), SP 800-63B: Digital Identity Guidelines (NIST) — and each answer is explained with its source.
How do I take the Secure Coding Fundamentals Certification for free?
Read the three skill areas on this page, then take the 15-minute test online — no fee, course or sign-up. You see every answer explained when you finish. Score 70% or more and you get a Secure Coding Fundamentals certificate straight away, on screen, as a PDF and by email, with a credential ID anyone can verify.
Are the Secure Coding Fundamentals Certification questions based on real standards?
Yes. The questions are original scenarios written by Science of Apps, and each one is based on a public source you can read: OWASP Cheat Sheet Series (OWASP); OWASP Top 10 (OWASP); SP 800-63B: Digital Identity Guidelines (NIST); Known Exploited Vulnerabilities Catalog (CISA); SP 800-207: Zero Trust Architecture (NIST); Application Security Verification Standard (OWASP). The source is shown under each question and linked in the answer review. Science of Apps doesn't copy questions from other tests.
What does the Secure Coding Fundamentals Certification cover?
Three skill areas with five questions each, drawn from a bank of 10 per area so a retake brings new questions: Common vulnerabilities (Injection, Cross-site scripting and Broken access control); Secure practices (Authentication and secrets, Dependencies and Validation and secure defaults); Secure design and supply chain (Threat modelling, Software supply chain and Logging and monitoring). Every question is an original scenario based on a published standard, official documentation or research, named under the question.
Who should take the Secure Coding Fundamentals Certification?
Software developer, Web developer, Application security engineer, Back-end engineer and DevSecOps engineer. It suits anyone who wants a quick, verifiable way to show Secure Coding Fundamentals skills, from students and career switchers to experienced professionals.
Can I take the Secure Coding Fundamentals Certification from any country?
Yes. The test is online, in English and free everywhere — people take it from India, the US, the UK, Europe, Africa, Latin America and Asia-Pacific. Your certificate is dated with your own local date and can be verified from anywhere at scienceofapps.com/certification/verify/.
How long is the Secure Coding Fundamentals Certification?
15 questions — 5 from each of 3 skill areas — with a 15-minute limit. You need 70% (11 of 15) to pass and 90% for distinction.
How hard is the Secure Coding Fundamentals Certification?
We rate it Intermediate: assumes hands-on experience in the role. It has 15 scenario questions — 5 from each of 3 skill areas — and a 15-minute limit. You need 70% (11 of 15) to pass and 90% for distinction.
How do I prepare for a Software developer job?
Secure coding is now expected of every developer in 2027, because exploited vulnerabilities are the top way breaches begin. Employers test whether you prevent injection, cross-site scripting and broken access control, handle authentication and secrets properly, keep dependencies and the software supply chain safe, validate input and log securely. Learn the OWASP Top 10 with code examples in your language, practise finding flaws in sample apps, and prove the basics with a verified test. Our full career guide covers the hiring process, interview loop, pay and a prep plan: scienceofapps.com/blog/secure-coding-fundamentals-career-guide/
How much do Science of Apps certifications cost?
Nothing. There is no fee to take a test, to receive the certificate, to have it emailed or to verify it, and no sign-up.
How are the tests graded?
On our server, not in your browser. The answers never reach the page until you submit, so a certificate can only be earned by passing. Each certificate gets a unique credential ID stored by Science of Apps.
What happens if I don't pass?
You see your score for each area and every question with the correct answer and why, with the published source behind it. You can retake after 30 minutes, and the retake draws questions you haven't seen yet.
Do the certificates expire?
No. Every certificate is dated, so it always shows when you passed. Retake a test any time for a newer date or a higher score.
Can I add the certificate to LinkedIn?
Yes. After you pass, Add to LinkedIn opens the Licenses & certifications form with the certificate name, Science of Apps as the issuer, the issue date, your credential ID and the verification link filled in. You can also download it as a PDF or PNG, and it's emailed to you as a PDF.
How can an employer verify my certificate?
Every certificate has a credential ID and a QR code. Scanning it, or entering the ID at scienceofapps.com/certification/verify/, shows the holder's name, the certification, the score and the issue date from our records.
Are these accredited qualifications?
No. They are Science of Apps' own assessments of applied skill. They aren't issued by a university or standards body, and they work best alongside a portfolio that shows the skills in real work.
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Read before you test
- Career guidesSecure coding skills for developer jobs in 2027: the vulnerabilities interviews ask about and the habits employers wantSecure coding skills for developer jobs in 2027: injection, XSS, broken access control, secrets and supply chain, with examples and a plan.
- Career guidesHow to get an application security job in 2027: OWASP Top 10, secure code review, authentication and access control, input handling, dependencies, SAST, DAST and DevSecOpsHow to get an application security job in 2027: OWASP Top 10, secure code review, access control, input handling, dependencies, SAST, DAST and DevSecOps.
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