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Master cybersecurity with hands-on courses on DNS Amplification, SYN Flood, and more!

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Featured Cybersecurity Tasks

Online Class Portal Outage
DNS Amplification (Easy)

Learn to mitigate DNS amplification attacks targeting university LMS systems using CLI tools.

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Cross-Department Network Simulation
ICMP Flood (Hard)

Detect and stop ICMP flood attacks across subnets using firewall rules and CLI monitoring.

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Online Class Platform Interruption
SYN Flood (Moderate)

Tackle SYN flood attacks on Moodle-based LMS using hping3, ss, and iftop for mitigation.

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Try Our CLI Simulator

$ Welcome to CyberShield CLI Simulator (Testing Mode)

$ sudo tcpdump -n udp port 53

Capturing DNS traffic on port 53...

$ iptables -A INPUT -p udp --dport 53 -m length --length 512:65535 -j DROP

Blocking large DNS packets...

July 17, 2025 10:13 AM - Alaiza Caburian: mali
July 17, 2025 10:14 AM - lea belleza: oo nga
$ sudo hping3 -S -p 443 --flood <LMS_IP>

Simulating SYN flood on port 443...

Test commands in a safe environment to learn cybersecurity techniques!