Top Network Security Cheatsheet

The diagram below shows some possible network attacks in 7 OSI model layers.

Application Layer

• Pushing
• Malware injection
• DDoS attacks

Presentation Layer

• Encoding/decoding vulnerabilities
• Format string attacks
• Malicious code injection

Session Layer

• Session hijacking
• Session fixation attacks
• Brute force attacks

Transport Layer

• Man-in-the-middle attacks
• SYN/ACK flood

Network Layer

• IP spoofing
• Route table manipulation
• DDoS attacks

Data Link Layer

• MAC address spoofing
• ARP spoofing
• VLAN hopping

Physical Layer

• Wiretapping
• Physical tampering
• Electromagnetic interference