ls -la
pwd
whoami
cd /var/log
mkdir project
cp file.txt backup/
rm -rf tmp/
touch notes.txt
cat README.md
history | tail
chmod 755 scan.sh
chown root:root key.pem
ps aux | grep nginx
df -h
du -sh *
grep -r "error" /var/log
tar -xzvf archive.tar.gz
ssh user@10.0.0.5
scp report.pdf host:/tmp
kill -9 1337
sudo systemctl restart nginx
iptables -L -n -v
nmap -sV -p- 10.0.0.1
netstat -tulpn
awk '{print $1}' access.log
find / -perm -4000 2>/dev/null
openssl req -x509 -newkey rsa:4096
journalctl -u sshd --since today
shahid@security:~$ SHAHID SECURITY █
Facebook Instagram X ← All courses Introduction to Cybersecurity Learn the fundamentals of cybersecurity
By Shahid Iqbal · Beginner · 8 modules · 32 lessons
About this course Learn the fundamentals of cybersecurity, understand common online threats, and discover how to protect systems, networks, and personal data. This beginner-friendly course introduces essential security concepts and helps you build a strong foundation for your cybersecurity journey.
Curriculum Introduction to Cyber Security
What Is Cyber Security? Why Is Cyber Security Important? Types of Cyber Security Cyber Security Careers and Opportunities Understanding Cyber Threats
What Are Cyber Threats? Malware, Viruses, and Ransomware Phishing and Social Engineering Common Cyber Attacks Networking Fundamentals
Introduction to Computer Networks IP Addresses and MAC Addresses DNS, HTTP, and HTTPS Ports and Network Protocols Operating System Fundamentals
Introduction to Operating Systems Windows Security Basics Linux Fundamentals Files, Permissions, and Users Essential Security Concepts
Files, Permissions, and Users Authentication and Authorization Encryption and Hashing Encryption and Hashing Practical Learning and Career Roadmap
Password Security and Password Managers Multi-Factor Authentication (MFA) Safe Browsing and Email Security Protecting Personal Information Online Introduction to Cyber Security Tools
Kali Linux Overview Introduction to Nmap Introduction to Wireshark Basic Security Testing Concepts Practical Learning and Career Roadmap
Setting Up a Cyber Security Lab Basic Hands-on Security Exercises Cyber Security Certifications Overview Your Next Steps in Cyber Security