5G-SecureSim: Simulation and Mitigation of Cyber Attacks on 5G Network Protocols

A Python-based simulation that demonstrates and mitigates common cybersecurity threats—DDoS, IMSI Catcher, and Man-in-the-Middle (MITM)—targeting 5G network components. The system generates both normal and malicious traffic, applying mitigation logic and visualizing network health in real time.

📌 Features

• ✅ Simulation of 3 major types of attacks:
  • DDoS Attack: Overwhelms the User Plane Function (UPF) with traffic
  • IMSI Catcher: Mimics fake base stations requesting IMSI data
  • MITM Attack: Intercepts and alters data between entities
• ✅ Real-time mitigation logic for each attack type
• ✅ Packet-level filtering and rate-limiting
• ✅ Live graph visualization using matplotlib

---

🧠 Attack Scenarios

Attack Type	Source	Target	Mitigation Strategy
DDoS	Attacker	UPF	Rate limiting and packet dropping
IMSI Catcher	FakeBaseStation	UE	Block IMSI requests from fake sources
MITM	MITM Agent	UPF	Drop intercepted/spoofed packets

---

🛠️ Setup & Execution

Requirements

• Python 3.x
• matplotlib

Install dependencies

pip install matplotlib

### Run the simulation

python 5g_simulation.py

```Then select the type of attack to simulate:
1. DDoS Attack  
2. IMSI Catcher (Fake Base Station)  
3. MITM (Man-in-the-Middle)