linux Hardening

Course Content

Module 1: Introduction to Linux Security
Overview of Linux security principles Common security threats and vulnerabilities Importance of Linux hardening Introduction to security frameworks (e.g., CIA triad, Defense-in-Depth)

Overview of Linux security principles
00:00
Common security threats and vulnerabilities
00:00
Importance of Linux hardening
00:00
Introduction to security frameworks (e.g., CIA triad, Defense-in-Depth)
00:00

Module 2: Linux Basics and System Architecture
Review of Linux file system hierarchy User and group management Understanding permissions and ownership Overview of Linux processes and services

Module 3: Secure Boot Process
Understanding the Linux boot process Configuring GRUB for security Securing the initial RAM disk (initrd) Utilizing Secure Boot (UEFI) for added security

Module 4: Kernel Hardening
Introduction to Linux kernel security Kernel configuration and tuning Kernel hardening techniques (e.g., disabling unnecessary features, enabling kernel security options) Implementing kernel modules securely

Module 5: Securing Network Services
Harden network services (e.g., SSH, FTP, Apache, Nginx) Utilize firewalls (e.g., iptables, firewalld) for network security Implementing TCP/IP stack hardening Intrusion Detection and Prevention Systems (IDS/IPS)

Module 6: File System Security
File system encryption (e.g., using dm-crypt/LUKS) Implementing file integrity checking (e.g., Tripwire) Configuring SELinux or AppArmor for mandatory access control Using chroot and containers for enhanced security

Module 7: Log Management and Monitoring
Introduction to logging and auditing in Linux Setting up centralized logging (e.g., syslog-ng, rsyslog) Configuring auditd for system auditing Implementing log analysis tools (e.g., ELK stack, Splunk)

Module 8: User Authentication and Access Control
Utilizing strong passwords and password policies Introduction to multi-factor authentication (MFA) Implementing sudo policies for privilege escalation Role-Based Access Control (RBAC) configuration

Module 9: Patch Management and Vulnerability Scanning
Importance of timely patching Managing software updates with package managers (e.g., apt, yum) Introduction to vulnerability scanning tools (e.g., Nessus, OpenVAS) Developing a patch management strategy

Module 10: Incident Response and Forensics
Creating an incident response plan Identifying and responding to security incidents Basics of digital forensics in Linux environments Recovering from security breaches

Module 11: Compliance and Regulatory Requirements
Overview of common compliance frameworks (e.g., PCI DSS, GDPR) Aligning Linux security practices with compliance standards Importance of documentation and audit trails

Module 12: Advanced Topics and Emerging Trends
Exploring advanced security mechanisms (e.g., sandboxing, W^X) Introduction to containerization and orchestration (e.g., Docker, Kubernetes) Secure coding practices for Linux environments Emerging trends in Linux security (e.g., cloud security, IoT)

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Course Content

Module 1: Introduction to Linux Security Overview of Linux security principles Common security threats and vulnerabilities Importance of Linux hardening Introduction to security frameworks (e.g., CIA triad, Defense-in-Depth)

Overview of Linux security principles

Common security threats and vulnerabilities

Importance of Linux hardening

Introduction to security frameworks (e.g., CIA triad, Defense-in-Depth)

Module 2: Linux Basics and System Architecture Review of Linux file system hierarchy User and group management Understanding permissions and ownership Overview of Linux processes and services

Review of Linux file system hierarchy

User and group management

Understanding permissions and ownership

Overview of Linux processes and services

Module 3: Secure Boot Process Understanding the Linux boot process Configuring GRUB for security Securing the initial RAM disk (initrd) Utilizing Secure Boot (UEFI) for added security

Understanding the Linux boot process

Configuring GRUB for security

Securing the initial RAM disk (initrd)

Utilizing Secure Boot (UEFI) for added security

Module 4: Kernel Hardening Introduction to Linux kernel security Kernel configuration and tuning Kernel hardening techniques (e.g., disabling unnecessary features, enabling kernel security options) Implementing kernel modules securely

Introduction to Linux kernel security

Kernel configuration and tuning

Kernel hardening techniques (e.g., disabling unnecessary features, enabling

kernel security options)

Implementing kernel modules securely

Module 5: Securing Network Services Harden network services (e.g., SSH, FTP, Apache, Nginx) Utilize firewalls (e.g., iptables, firewalld) for network security Implementing TCP/IP stack hardening Intrusion Detection and Prevention Systems (IDS/IPS)

Harden network services (e.g., SSH, FTP, Apache, Nginx)

Utilize firewalls (e.g., iptables, firewalld) for network security

Implementing TCP/IP stack hardening

Intrusion Detection and Prevention Systems (IDS/IPS)

Module 6: File System Security File system encryption (e.g., using dm-crypt/LUKS) Implementing file integrity checking (e.g., Tripwire) Configuring SELinux or AppArmor for mandatory access control Using chroot and containers for enhanced security

File system encryption (e.g., using dm-crypt/LUKS)

Implementing file integrity checking (e.g., Tripwire)

Configuring SELinux or AppArmor for mandatory access control

Using chroot and containers for enhanced security

Module 7: Log Management and Monitoring Introduction to logging and auditing in Linux Setting up centralized logging (e.g., syslog-ng, rsyslog) Configuring auditd for system auditing Implementing log analysis tools (e.g., ELK stack, Splunk)

Introduction to logging and auditing in Linux

Setting up centralized logging (e.g., syslog-ng, rsyslog)

Configuring auditd for system auditing

Implementing log analysis tools (e.g., ELK stack, Splunk)

Module 8: User Authentication and Access Control Utilizing strong passwords and password policies Introduction to multi-factor authentication (MFA) Implementing sudo policies for privilege escalation Role-Based Access Control (RBAC) configuration

Utilizing strong passwords and password policies

Introduction to multi-factor authentication (MFA)

Implementing sudo policies for privilege escalation

Role-Based Access Control (RBAC) configuration

Module 9: Patch Management and Vulnerability Scanning Importance of timely patching Managing software updates with package managers (e.g., apt, yum) Introduction to vulnerability scanning tools (e.g., Nessus, OpenVAS) Developing a patch management strategy

Importance of timely patching

Managing software updates with package managers (e.g., apt, yum)

Introduction to vulnerability scanning tools (e.g., Nessus, OpenVAS)

Developing a patch management strategy

Module 10: Incident Response and Forensics Creating an incident response plan Identifying and responding to security incidents Basics of digital forensics in Linux environments Recovering from security breaches

Creating an incident response plan

Identifying and responding to security incidents

Basics of digital forensics in Linux environments

Recovering from security breaches

Module 11: Compliance and Regulatory Requirements Overview of common compliance frameworks (e.g., PCI DSS, GDPR) Aligning Linux security practices with compliance standards Importance of documentation and audit trails

Overview of common compliance frameworks (e.g., PCI DSS, GDPR)

Aligning Linux security practices with compliance standards

Importance of documentation and audit trails

Module 12: Advanced Topics and Emerging Trends Exploring advanced security mechanisms (e.g., sandboxing, W^X) Introduction to containerization and orchestration (e.g., Docker, Kubernetes) Secure coding practices for Linux environments Emerging trends in Linux security (e.g., cloud security, IoT)

Exploring advanced security mechanisms (e.g., sandboxing, W^X)

Introduction to containerization and orchestration (e.g., Docker, Kubernetes)

Secure coding practices for Linux environments

Emerging trends in Linux security (e.g., cloud security, IoT)

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Module 1: Introduction to Linux Security
Overview of Linux security principles Common security threats and vulnerabilities Importance of Linux hardening Introduction to security frameworks (e.g., CIA triad, Defense-in-Depth)

Module 2: Linux Basics and System Architecture
Review of Linux file system hierarchy User and group management Understanding permissions and ownership Overview of Linux processes and services

Module 3: Secure Boot Process
Understanding the Linux boot process Configuring GRUB for security Securing the initial RAM disk (initrd) Utilizing Secure Boot (UEFI) for added security

Module 4: Kernel Hardening
Introduction to Linux kernel security Kernel configuration and tuning Kernel hardening techniques (e.g., disabling unnecessary features, enabling kernel security options) Implementing kernel modules securely

Module 5: Securing Network Services
Harden network services (e.g., SSH, FTP, Apache, Nginx) Utilize firewalls (e.g., iptables, firewalld) for network security Implementing TCP/IP stack hardening Intrusion Detection and Prevention Systems (IDS/IPS)

Module 6: File System Security
File system encryption (e.g., using dm-crypt/LUKS) Implementing file integrity checking (e.g., Tripwire) Configuring SELinux or AppArmor for mandatory access control Using chroot and containers for enhanced security

Module 7: Log Management and Monitoring
Introduction to logging and auditing in Linux Setting up centralized logging (e.g., syslog-ng, rsyslog) Configuring auditd for system auditing Implementing log analysis tools (e.g., ELK stack, Splunk)

Module 8: User Authentication and Access Control
Utilizing strong passwords and password policies Introduction to multi-factor authentication (MFA) Implementing sudo policies for privilege escalation Role-Based Access Control (RBAC) configuration

Module 9: Patch Management and Vulnerability Scanning
Importance of timely patching Managing software updates with package managers (e.g., apt, yum) Introduction to vulnerability scanning tools (e.g., Nessus, OpenVAS) Developing a patch management strategy

Module 10: Incident Response and Forensics
Creating an incident response plan Identifying and responding to security incidents Basics of digital forensics in Linux environments Recovering from security breaches

Module 11: Compliance and Regulatory Requirements
Overview of common compliance frameworks (e.g., PCI DSS, GDPR) Aligning Linux security practices with compliance standards Importance of documentation and audit trails

Module 12: Advanced Topics and Emerging Trends
Exploring advanced security mechanisms (e.g., sandboxing, W^X) Introduction to containerization and orchestration (e.g., Docker, Kubernetes) Secure coding practices for Linux environments Emerging trends in Linux security (e.g., cloud security, IoT)