Cybersecurity Career Guide

Complete Roadmap to Start a Career in Cybersecurity

Step-by-step learning path from Networking Fundamentals to Security Tools, Incident Response, and real job preparation.

Start Learning Roadmap
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1. Networking Fundamentals

What is a Network?

A network is a group of connected computers or devices that communicate and share resources.

Types of Networks

  • LAN - Local Area Network
  • WAN - Wide Area Network
  • MAN - Metropolitan Area Network

OSI Model

Application

Presentation

Session

Transport

Network

Data Link

Physical

TCP/IP Model

Application

Transport

Internet

Network Access

IP Addressing & Concepts

  • IPv4
  • IPv6
  • Public vs Private IP
  • Subnetting
  • MAC Address vs IP Address
  • DNS
  • DHCP
  • NAT

Ports, Protocols & Devices

  • HTTP - 80
  • HTTPS - 443
  • FTP - 21
  • SSH - 22
  • Router
  • Switch
  • Firewall
  • IDS / IPS
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2. Security Fundamentals

Authentication vs Authorization

Authentication verifies identity while Authorization defines permissions.

Encryption & Hashing

  • Symmetric Encryption
  • Asymmetric Encryption
  • MD5
  • SHA
  • Password hashing

VPN

VPN creates a secure encrypted connection over the internet.

Firewalls

  • Packet Filtering
  • Stateful Firewall
  • Next Generation Firewall
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3. Security Tools

Wireshark

Used for network packet analysis and troubleshooting.

Nessus / OpenVAS

Used for vulnerability scanning and system security assessment.

SIEM Tools

  • Splunk
  • QRadar
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4. Incident Response

Incident Lifecycle

Preparation
Detection
Analysis
Containment
Eradication
Recovery

Real World Scenarios

Handling malware attack, phishing attack, ransomware incidents.

Reporting

Documentation of incidents and security improvements.

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5. Cybersecurity Career Guide

Cybersecurity Roles

  • Security Analyst
  • Penetration Tester
  • SOC Analyst
  • Security Engineer
  • Cloud Security Engineer

Growing Roles

  • Cloud Security
  • Threat Intelligence
  • Application Security
  • DevSecOps

How to Get Job Before College

  • Learn Networking + Linux
  • Practice Labs (TryHackMe / HackTheBox)
  • Build Security Projects
  • Get Certifications
  • Apply for internships
Cybersecurity Career Learning Page