LINUX PROFESSIONAL INSTITUTELPI Security Essentials
The LPI Security Essentials certification validates your foundational knowledge of IT security, focusing on digital self-defense for individual users. It covers common threats to computers, networks, services, and identity, along with practical prevention and mitigation strategies. Earning it demonstrates you can use encryption, apply security best practices, and protect your personal data and online presence.
479 practice questions · Updated 2026-07-30
5Domains
17Objectives
138Concepts
479Questions
SECURITY-ESSENTIALS Curriculum
Every domain, objective, and concept the SECURITY-ESSENTIALS exam measures.
- CIA Triad
- Security Roles
- Security Actors
- Risk Assessment Fundamentals
- Risk Identification
- Risk Analysis Methods
- Risk Evaluation and Prioritization
- Risk Treatment Options
- Risk Management Process
- Risk Documentation
- Risk Communication
- Ethical hacking principles
- Code of ethics
- Responsible disclosure
- Legal and regulatory compliance
- Intellectual property rights
- Privacy and data protection
- Conflict of interest
- Professional conduct
- Cryptography fundamentals
- Symmetric encryption
- Asymmetric encryption
- Hash functions
- Digital signatures
- Public Key Infrastructure (PKI)
- X.509 certificates
- Certificate lifecycle
- Trust models
- Key management
- HTTPS and TLS
- TLS Handshake
- Digital Certificates
- Certificate Validation
- Public Key Infrastructure (PKI)
- Encryption Protocols and Cipher Suites
- Web Encryption Threats
- Email encryption overview
- S/MIME
- OpenPGP and GnuPG
- Key management for email encryption
- Comparing S/MIME and OpenPGP
- Encryption at rest
- Full disk encryption
- File-level encryption
- Partition encryption
- Key management for storage encryption
- Performance and usability trade-offs
- Hardware Security Fundamentals
- Physical Security Controls
- Hardware Authentication
- Trusted Platform Module (TPM)
- Secure Boot and UEFI
- Hardware Security Modules (HSMs)
- BIOS/UEFI Password and Configuration
- Hardware Supply Chain Security
- Side-Channel Attacks
- Hardware Lifecycle Management
- Application Security Fundamentals
- Secure Coding Practices
- Input Validation and Output Encoding
- Authentication and Authorization
- Session Management
- Cryptography in Applications
- Application Security Testing
- Secure Deployment and Configuration
- Patch Management and Updates
- Web Application Firewalls (WAF)
- Malware types and characteristics
- Malware infection vectors
- Malware symptoms and detection
- Malware prevention and mitigation
- Malware removal and recovery
- RAID Levels
- Backup Strategies
- Data Replication
- High Availability Concepts
- Redundancy and Fault Tolerance
- Disaster Recovery Planning
- Network Fundamentals
- Network Models and Protocols
- Network Services
- Internet Architecture
- Network Security Threats
- Secure Network Protocols
- Network Security Controls
- Network Security Fundamentals
- Common Network Threats
- Firewalls and Filtering
- Intrusion Detection and Prevention
- Virtual Private Networks (VPNs)
- Wireless Network Security
- Network Segmentation and Isolation
- Secure Protocols and Encryption
- Network Monitoring and Logging
- Incident Response and Recovery
- Network Encryption Fundamentals
- TLS/SSL
- VPN Technologies
- SSH for Secure Remote Access
- Anonymity Tools
- Encryption in Web Services
- Encryption in Email
- Wireless Encryption
- Identity Concepts
- Authentication Factors
- Password Security
- Multi-Factor Authentication (MFA)
- Biometric Authentication
- Single Sign-On (SSO)
- Federated Identity
- Authentication Protocols
- Identity Lifecycle Management
- Confidentiality
- Secure Communication
- Encryption Basics
- Symmetric Encryption
- Asymmetric Encryption
- Digital Signatures
- Hashing
- Public Key Infrastructure (PKI)
- Certificates
- Secure Communication Protocols
- TLS/SSL
- SSH
- IPsec
- VPN
- Secure Email
- Secure Web Communication
- Wireless Security
- Data at Rest vs. Data in Transit
- Key Management
- Steganography
- Privacy fundamentals
- Data protection principles
- Privacy regulations and standards
- Privacy-enhancing technologies
- Privacy risks and threats
- Privacy best practices
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Percentages reflect share of the current practice bank, not official exam weightings — no structured per-skill weight is published for SECURITY-ESSENTIALS, so none is invented.