Cybersecurity Course 2025 : Beginner to Cybersecurity Expert

Explore the role of a security engineer and how they protect an organization's data, including credentials, infrastructure, and customer details, from hackers through theoretical and practical concepts.

Protect organization data and defend against cyber attacks by securing networks. Identify weak points through testing and collaborate with the cyber security team to safeguard infrastructure.

Discover the qualifications to become a security engineer: 0–2 years IT experience, OSI model and networking basics, OS fundamentals, Python, and regulations like PCI DSS, GDPR, HIPAA.

Security engineering reduces risk and mitigates the impact of cyber attacks while protecting data from hackers. It safeguards user credentials, ensures compliance with policies, and maintains client trust.

Explore governance and regulations by defining key terms—governance, regulation, compliance, policies, standards, guidelines, procedures, and baselines—and how they drive organizational rules and success.

Explore the GDPR framework of the European Union, including lawful processing, purpose limitation, consent, privacy by design, data transfer security, awareness and training, data protection officer, and data subject rights.

Understand India's digital personal data protection act requirements for organizations that collect user information. Apply these rules to sectors like e-commerce, social media, finance, health care, and technology.

Discover how PCI-DSS governs payment card data protection for financial institutions, enforcing access controls and encryption, with web application firewalls to secure cardholder information.

Explore the NIST 853 framework, detailing administrative, technical, physical, and strategic controls and their role in governance and security, with examples like audit and accountability, access control, and cyber-attack planning.

Understand the CIA model—confidentiality, integrity, and availability—and learn how protecting private employee and client details, maintaining data integrity, and ensuring service availability safeguard organizations.

Learn zero trust: never assume trust, always verify users, devices, network traffic, applications, and data to protect data integrity.

Explore threat, vulnerability, risk and risk management, and learn the unified kill chain from information gathering to impact.

Explore the SOC, where security professionals monitor network devices, databases, applications, and websites, detect threats in real time, and respond to incidents to restore systems and back up data.

Explore incident concepts, incident response, and incident management, including containment, eradication, recovery actions, and the role of alerts like EDR, AV, network tap alerts, and security information and event management.

Explore the four levels of incident management in cybersecurity, from SOC monitoring and phishing email blocking to CERT, CSI/CSIRT, and crisis management, including taking the organization offline when needed.

Prepare by gathering attack data, including source and destination IPs and ports, and identify affected devices. Detect, analyze, contain, eradicate, and recover to reduce impact; learn lessons to prevent incidents.

Explore cyber defense frameworks and key terminologies, including APT and TTP. Learn how advanced persistent threats conduct long-term attacks using tactics, techniques, and procedures and phishing examples.

Explore the MITRE ATT&CK encyclopedia of cyber attacks detailing tactics, techniques, and procedures. Learn how information gathering and active scanning, including vulnerability scanning, map to attacker and defender activities.

Explore Mitre Engage to prepare for cyber attacks by selecting an enterprise, mobile, or ICS, choosing a hacker group, and filtering by tactics to plan defenses and monitor the network.

Learn how Mitre Defend counters cyber attacks by hardening applications, including credential, message, and platform hardening, with biometric authentication as a defense example and organizational procedures.

Explore threat intelligence tools and concepts—strategic, technical, tactical, and operational intel—to map attack trends and reveal hacker tools like Metasploit, Mimikatz, and nmap for incident response.

Learn how to verify email addresses using Email Hippo, identifying fake emails and domains, and evaluating trust scores to assess email legitimacy.

Check whether your email has been compromised using Have I Been Pwned, identify data breaches, and learn which sources leaked your details to hackers.

MISP is an open source threat intelligence sharing platform where global users share malware details and cyber attack data to help protect organizations and individuals.

Explore Malware Bazaar, a malware database with details on malware types, descriptions, signatures, ssl certificates and botnets; learn to use Yara to detect behavior and upload samples for verification.

Learn to detect botnets blocked by firewalls or antivirus using a browse tool, and review IP address, hostname, country, online status, and ports with the Fido tracker and Pika Bot.

Explore the ssl blacklist to identify fake certificates created by hackers and review certificate details, including the IP address and blocking reasons, for securing https data transfers.

Learn to verify a website url using the url verify tool and the Earl horse database, including url status, host, date added, threat reporter, abuse tags, and url hash.

Discover how the IOC finder tool uses the Red Fox database to locate indicators of compromise and view details like ID, type, malware name, country, first seen, and last seen.

Verify files for malware with Yarra by selecting a file and running a scan against its database. View the scan results; the csv file shows no malware.

Explore windows fundamentals, including OS disk c, ntfs, disk cleanup, startup options, and essential security tools like msinfo32, uac, event viewer, firewall, and system restore.

Master Linux fundamentals with Kali Linux, covering essential folders, permissions, information gathering tools like nmap and burp suite, and core security commands.

Identify hosts with IP addresses, including IPv4 and IPv6, and explore Mac addresses, ARP (request and reply), ping tests, and DHCP for IP assignment.

Explore the seven OSI layers from physical to application, and examine key protocols at each layer, including TCP/UDP, IP/ICMP, SSL/TLS, HTTP, and Ethernet.

Protect your organization’s network by implementing authentication and authorization, and by monitoring traffic through network traffic analysis to prevent cyber attacks.

Explore wireshark, an open source packet analyzer, for real-time network traffic capture and troubleshooting. Install and analyze icmp traffic, interfaces, osi layers, http/https, and key statistics in this security-focused course.

Explore how Sysmon functions as a system monitor, logging process creation, network connections, and file changes, with events stored in Windows Event Logs and configurable XML rules.

Learn how endpoint security monitoring protects devices—routers, servers, computers, and printers—by detecting incidents and mapping key Windows processes such as system process, services.exe, and explorer.exe.

Explore Vasu, an open source XDR and SEM, and learn to install it on Windows via a virtual machine, configuring endpoint monitoring, threat intelligence, and cloud security.

Openvas is a free vulnerability scanner used to find vulnerabilities, check ports and services for known exploits, and generate PDF reports.