---
title: "Top Network Security Cheatsheet"
description: "A concise guide to network security threats across OSI layers."
image: "https://assets.bytebytego.com/diagrams/0049-top-network-security-cheatsheet.png"
createdAt: "2024-03-11"
draft: false
categories:
  - security
tags:
  - "Network Security"
  - "Cybersecurity"
---

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

![](https://assets.bytebytego.com/diagrams/0049-top-network-security-cheatsheet.png)

## 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