Linux Professional Institute – LPIC-3 Security (303-300) version 3.0
Exam Code: 303-300v
The LPIC-3 Exam 303 validates expert-level Linux security skills, focusing on cryptography, access control, network security, application security, and incident response. This certification demonstrates your ability to design, implement, and manage enterprise-grade Linux security solutions. Passing this exam earns the LPIC-3 Security specialty certification.
- Exam Breakdown
- Domain Breakdown
- Access Breakdown
Exam Format
- Exam Code: 303‑300
- Level: Enterprise-level certification—the senior most Linux-focused credential from LPI
- Duration: 90 minutes
- Passing Score: Typically requires a scaled score of around 500 out of 800
- Unscored Content: Not specified—exam comprises exclusively scored questions (60 total)
Exam Details
- Question Types: Multiple-choice and fill-in-the-blank questions
- Number of Questions: 60 total
- Hands-On Questions: None—entirely knowledge-based and scenario-driven
Exam Policies
- Offline Proctoring: Must be rescheduled or canceled according to Pearson VUE policy (typically 24-hour notice).
- Online Proctoring: Must be rescheduled or canceled at least 24 hours before the scheduled exam time.
- Waiting Period: If you fail, you may retake the exam after 7 days.
- Retake Fee: Full exam fee must be paid for each retake.
Validity
- Validity: LPIC-3 certification is valid for 5 years.
- Renewal Options: Recertify by passing the current LPIC-3 exam or a higher-level LPI certification.
Exam Fee
- Price: Approximately USD 200, depending on region and local Pearson VUE pricing
- Taxes: Country-specific VAT/GST may apply
Example: In India, 18% tax applies, making the total $236 USD ($200 + $36 tax)
Prerequisites
There are mandatory prerequisites for LPIC-3 certification:- An active LPIC-2 certification is required before earning LPIC-3
- Strong Linux system administration experience
- Understanding of enterprise networking and security concepts
Exam Topics
The LPIC‑3: Security (303‑300) exam covers the following key domains (outline derived from common objective summaries and exam prep):- Cryptography: X.509 certificates, PKI, OpenSSL, encrypted file systems, certificate authorities, revocation, OCSP, integration with Apache (mod_ssl)
- Host Security: Hardening, host intrusion detection, authentication mechanisms, integration with FreeIPA & Samba
- Access Control: Discretionary and Mandatory Access Control (SELinux, AppArmor), filesystem ACLs, NFS security
- Network Security: Packet filtering, VPNs, SSH hardening, intrusion detection, encryption in transit, network monitoring tools
- Threat & Vulnerability Assessment: Scanning tools (Nessus, OpenVAS), system hardening, patching, operational security practices
Intended Audience
Ideal for:- Security-focused enterprise Linux administrators
- Infrastructure architects and DevOps professionals securing multi-system environments
- Professionals seeking advanced validation of Linux security competency
Career Impact
- Jobs You Can Get: Linux Security Engineer, Security Architect, Systems Security Administrator, DevSecOps Engineer
Average Salary: Varies by country — U.S.: $110,000–$150,000 USD, India: ₹12,00,000–₹30,00,000 INR, United Kingdom: £60,000–£95,000 GBP, UAE: 200,000–320,000 AED per year. - Why It’s Valuable: Demonstrates expert-level Linux security expertise and supports career advancement in enterprise security and infrastructure roles
Exam Mode
The exam is proctored and can be taken either:- In-person at authorized Pearson VUE test centres
- Online through Pearson VUE’s online proctoring system
Exam Booking Link
Book your LPIC-3 Security Exam via Pearson VUE — Click here (https://www.pearsonvue.com/us/en/lpi.html)
Once you pass the exam
- Download your certification from the LPI Certification Portal
- Processing Time: Digital certificate typically available within a few business days
- Log in to your LPI account
- Navigate to the Certifications section
- Download your LPIC-3 Security certificate (PDF format)
Offers
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Top Reasons to Choose
Linux Professional Institute – LPIC-3 Security (303-300) version 3.0
Advanced Linux Security Expertise
LPIC-3 Security validates expert skills in securing Linux systems, implementing cryptography, managing access control, and protecting enterprise infrastructure, enabling professionals to defend critical systems and maintain strong organizational security posture.Focus on Enterprise Security Administration
The certification emphasizes real-world enterprise security practices, including system hardening, vulnerability management, identity services, and network protection, helping professionals secure Linux environments in complex organizational infrastructures effectively.Career Growth and Industry Recognition
LPIC-3 Security enhances professional credibility by validating expert-level Linux security expertise, enabling candidates to pursue senior security roles, increase earning potential, and gain global recognition across enterprise and cloud environments.Top Certifications
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FAQ
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Who should take the LPIC-3 Security (303-300) exam?
The LPIC-3 Security exam is designed for experienced Linux professionals responsible for securing enterprise systems. It suits administrators and security engineers managing Linux infrastructure. Candidates must hold an active LPIC-2 certification and typically have advanced Linux administration experience and strong knowledge of security technologies and enterprise environments.
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How difficult is the LPIC-3 Security exam?
The LPIC-3 Security exam is considered highly challenging because it covers advanced Linux security administration, cryptography, access control, and system hardening. Candidates must possess strong hands-on experience securing enterprise Linux environments. Professionals with extensive Linux administration and security experience generally find the exam aligned with real-world security responsibilities.
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Why does LPI offer the LPIC-3 Security certification?
LPI offers the LPIC-3 Security certification to validate expert-level Linux security skills required in enterprise environments. As organizations depend on secure Linux infrastructure, this certification ensures professionals can implement security controls, protect systems, and manage enterprise security solutions effectively using industry best practices and open-source technologies.
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What tools and resources can be used to prepare for the LPIC-3 Security exam?
Candidates can prepare using official LPI learning materials, Linux security documentation, enterprise lab environments, and practice exams. Studying system hardening techniques, access control mechanisms, network security, and cryptography concepts, along with hands-on Linux administration practice, significantly improves technical knowledge and exam readiness for certification success.
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Is the LPIC-3 Security certification still valuable in 2026?
Yes, the LPIC-3 Security certification remains valuable in 2026 because Linux powers critical enterprise and cloud infrastructure worldwide. The certification validates advanced security expertise, supports career advancement into senior security roles, and aligns with increasing industry demand for professionals securing Linux-based enterprise systems and services globally.
