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System & Network Security Essentials

LearnKartS via Coursera

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Overview

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This intermediate-level System & Network Security course teaches you to think like an ethical hacker, spotting vulnerabilities, analyzing attacks, and defending infrastructure using real-world tools and techniques. You'll begin by mastering system hacking methodologies, password attacks, and authentication weaknesses, then dive into malware analysis, exploring viruses, worms, rootkits, Trojans, and today's AI-enabled threats and ransomware-as-a-service models. From there, you'll uncover how network sniffing, ARP poisoning, and honeypot evasion tactics work, and learn how firewalls and intrusion detection systems (IDS) stand up against real attackers. The course also covers endpoint security and network access control, and dives into IoT and OT (operational technology) security, including industrial control systems and HMI-based attacks, so you understand how connected devices and critical infrastructure get compromised. You'll get hands-on with tools like Kali Linux, Nmap, Snort, Shodan, VirusTotal, PEStudio, Ettercap, and Netstat, alongside AI-powered pentesting demos and MITRE ATT&CK-aligned reporting. By the end, you'll have practical, job-ready skills in ethical hacking and network defense, a strong foundation for a career in cybersecurity.

Syllabus

System Hacking & Password Attacks

Explore system hacking methodologies, password attack techniques, authentication security, and privilege escalation concepts. Learn how attackers target systems and how security professionals defend against these threats.

Malware Attacks & Defence – Viruses, Rootkits & Trojans

Learn about modern malware threats, including viruses, worms, rootkits, and Trojans. Understand malware propagation methods and strategies used to detect and prevent infections.

Trojan Analysis, Malware Pen Testing & Network Sniffing

Understand Trojan analysis, malware testing approaches, and network sniffing techniques. Learn how security professionals analyze threats and identify network vulnerabilities.

AI-Enabled Malware & Ransomware Ecosystems

Explore AI-driven malware threats and the evolving ransomware landscape. Understand how modern attackers use advanced techniques and ransomware-as-a-service models.

Security Control Evasion – Firewalls, IDS & Honeypots

Learn about security controls such as firewalls, intrusion detection systems, and honeypots. Understand threat monitoring approaches and techniques used to strengthen defenses.

Endpoint & NAC Bypass Techniques

Explore endpoint security challenges and network access control concepts. Learn how organizations protect systems and manage secure network access.

IoT Security – Device Exploits & Attack Techniques

Understand IoT architecture, communication models, vulnerabilities, and common attack techniques. Learn how security professionals assess and protect connected devices.

OT Security – Industrial Control Systems & HMI Attacks

Learn about operational technology security, industrial control systems, and HMI-based attacks. Explore OT vulnerabilities and security practices for protecting critical infrastructure.