Linux Professional Institute Security Essentials (020-100)

Linux-based environments create security risk when teams lack a shared baseline for vulnerabilities, encryption, identity, privacy, and incident response. IT Directors can assign this beginner-level LPI Security Essentials (020-100) training to new IT Practitioners, junior cybersecurity staff, or experienced security team members who need Linux-specific validation.

The course is a realistic onboarding or certification-prep path: about 22 hours per learner across focused topics like risk management, ethical behavior, PKI, X.509 certificates, firewalls, malware, wireless networking, passwords, social engineering, and data availability. It also supports change management by reinforcing role-specific security awareness for admins, users, executives, developers, and teams handling sensitive data.

CBT Nuggets capabilities help Training Managers operationalize the rollout: use Playlists for role-based assignments, Practice Exams for Security Essentials exam readiness, and Team Reporting to track learner progress and completion.

IT teams complete this training to build a consistent security baseline for Linux and mixed IT environments, especially where junior staff need to recognize risk before it becomes downtime, data exposure, or audit pressure.

• Standardize secure behavior across roles: Training reinforces awareness, safe behaviors, reporting procedures, and role-specific needs for admins, developers, executives, and teams handling sensitive data.
• Reduce avoidable security gaps: Learners study updates, common vulnerabilities, firewalls, malware, and application/OS sources so teams can identify common weaknesses earlier.
• Support secure communications: Coverage of encryption, PKI, X.509 certificates, hashing, and email signatures helps teams protect confidentiality and trust.
• Improve resilience planning: Data availability, network protocols, DHCP, DNS, IPv6, wireless, and cloud topics help teams understand where outages and exposure can occur.

Knowledge

• Security goals, roles, actors, ethical behavior, and risk assessment concepts.
• Core encryption models, PKI, X.509 certificates, hashing, email encryption, and signatures.
• How hardware, application sources, operating system sources, updates, vulnerabilities, firewalls, and malware affect security posture.
• Network fundamentals, internet protocols, DHCP, DNS, IPv6, cloud computing, wireless networking, and anonymity concepts.
• Digital identity, passwords, confidentiality, social engineering, information handling, and privacy protection.

Ability

• Recognize common vulnerabilities and security risks in Linux-based IT infrastructures.
• Apply baseline security practices for network maintenance and incident response preparation.
• Choose appropriate encryption and certificate concepts for secure communication scenarios.
• Identify risks related to malware, software sources, updates, and firewall configuration.
• Explain secure handling of sensitive information, privacy concerns, and social engineering defenses.