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Cybersecurity Engineers focus on protecting systems, networks, and data from cyber threats. They design and implement robust security measures. Alternate titles include Information Security Engineer, Security Analyst, or Cyber Defense Engineer.

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Technical Concepts:

Cybersecurity Fundamentals

(Geeksforgeeks)

1. CIA Triad: Confidentiality, Integrity, Availability
2. Threat Models and Risk Assessment
3. Authentication, Authorization, and Accounting (AAA)
4. Cryptographic Basics:
   • Symmetric and Asymmetric Encryption
   • Hashing Algorithms (SHA, MD5)
   • Public Key Infrastructure (PKI)
5. Secure Network Design:
   • Firewalls, VPNs, DMZ
   • Network Segmentation and Zoning

Networking

(Interviewbit)

1. OSI and TCP/IP Models
2. Protocols: HTTP, HTTPS, FTP, DNS, SMTP, SNMP
3. Common Ports and Services
4. Network Traffic Analysis (Packet Captures, Wireshark)
5. VPNs and Secure Tunneling

Operating System and Security Concepts

(Geeksforgeeks)

1. OS Fundamentals: Windows, Linux, macOS
2. File Systems and Permissions