Level 1 - OSI
Physical
Level 2 - OSI
Data Link
Level 3 - OSI
Network
Level 4 - OSI
Transport
Level 5 - OSI
Session
Level 6 - OSI
Presentation
Level 7 - OSI
Application
Level 1 - PDU
Bits
Level 2 - PDU
Frame
Level 3 - PDU
Packet
Level 4 - PDU
Segment
Level 5 PDU -
Data
Level 6 - PDU
Data
Level 7 - PDU
Data
Level 1 - TCP/IP
Application
Level 2 - TCP/IP
Transport
Level 3 - TCP/IP
Internet/Network
Level 4 - TCP/IP
Network Access/ Interface
TCP/IP Handshake
Ack
Syn Ack
Ack
1st Stage - Hacking
Reconnaissance
2nd Stage - Hacking
Scanning + Enumeration
3rd Stage - Hacking
Gaining Access
4th Stage - Hacking
Maintaining Access
5th Stage - Hacking
Covering Tracks