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Here are some valuable FREE cybersecurity courses from Udemy to kickstart your journey in cybersecurity:
- Cyber Security Awareness Training Course For Beginners – Enroll Here
- Cybersecurity 101: Adopting A Security Mindset – Enroll Here
- How Does the Internet Work & Networking Crash Course – Enroll Here
- Linux Command Line Course for Cyber Security and Pentesting – Enroll Here
- Cybersecurity Prep Course for Absolute Beginners – Enroll Here
You Should Know:
Essential Linux Commands for Cybersecurity
Since one of the courses focuses on Linux for cybersecurity, here are some must-know commands:
File System & Navigation
ls -la List all files (including hidden) cd /var/log Navigate to log directory pwd Show current directory find / -name ".conf" -type f Find configuration files
Network & Security
netstat -tuln Check open ports ss -tulnp Modern alternative to netstat nmap -sV 192.168.1.1 Scan a target for services tcpdump -i eth0 'port 80' Capture HTTP traffic
User & Permissions
sudo adduser newuser Create a new user passwd username Change password chmod 600 file.txt Restrict file access chown root:root file Change file ownership
Log Analysis (Critical for Security)
tail -f /var/log/auth.log Monitor login attempts grep "Failed" /var/log/auth.log Find failed logins journalctl -u sshd --no-pager Check SSH logs
Windows Security Commands
For those working with Windows security, try these:
netstat -ano Check active connections tasklist /svc List running processes whoami /priv Check user privileges wmic qfe list brief List installed updates
What Undercode Say:
Cybersecurity is a high-demand skill, and mastering Linux and networking is crucial. These free courses provide a solid foundation, but hands-on practice is key. Use virtual labs (like Kali Linux in VirtualBox) and capture-the-flag (CTF) challenges to sharpen skills.
Expected Output:
After completing these courses, you should:
✔ Understand basic cybersecurity principles.
✔ Navigate Linux for security tasks.
✔ Perform basic network scanning with `nmap`.
✔ Analyze logs for intrusion detection.
Prediction:
As cyber threats grow, entry-level cybersecurity roles will increase. Learning these skills now can lead to high-paying jobs in penetration testing, SOC analysis, and incident response. Start today! 🚀
References:
Reported By: Dharamveer Prasad – Hackers Feeds
Extra Hub: Undercode MoN
Basic Verification: Pass ✅
