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My InfoTech Journal: Decoding the Networking Enigma: OSI vs. TCP/IP Reference Models

My InfoTech Journal: Decoding the Networking Enigma: OSI vs. TCP/IP Reference Models The OSI (Open Systems Interconnection) Reference Model and the TCP/IP (Transmission Control Protocol/Internet Protocol) Reference Model: The OSI Reference Model and the TCP/IP Reference Model are both conceptual frameworks used to understand and standardize how different networking protocols and technologies interact. Here are some areas of comparison: 1. Number of Layers: OSI Model : It consists of seven layers: Physical, Data Link, Network, Transport, Session, Presentation, and  TCP/IP Model : It has four layers: Network Interface, Internet, Transport, and Application. 2. L ayer Functionality: OSI Model : Tends to be more comprehensive and abstract, defining each layer's functions independently. TCP/IP Model : Reflects the actual implementation of the Internet and focuses on how protocols are used in practice. 3. Adoption / Use: OSI Model : Less commonly used in practice, but it is still valuab
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What are the High-Demand Information Security Careers

My InfoTech Journal:
Information Security Careers



High-Demand Careers in Information Security 

Information Security is a field with so many potential career directions and which the demand for these skill sets are continuously growing.

I have done a research of the high-demand careers in LinkedIn using Information Security career keywords. 

I am sharing the search results with the corresponding statistics. I hope this will help you decide on which career path you want to pursue. 

Overall, the total OPEN jobs within these qualifications is currently at 1,254,503 jobs worldwide!

  • Qualifications by Certifications 
  • Qualifications by Specialization
  • Qualifications for Directors and Managerial positions 
  • Qualifications related to Information Security 

Qualifications by Certifications

The total job opening for these qualifications with certifications is at 127,190 jobs!
  1. CISSP = 79,200 (Certified Information Systems Security Professional by ISC2)
  2. CISA = 25,677 (Certified Information Systems Auditor by ISACA)
  3. CISM = 17,131 (Certified Information Security Manager by ISACA)
  4. CRISC = 5,182 (Certified in Risk and Information Systems Control by ISACA)


 




High-Demand Careers (worldwide) | Source: LinkedIn (15-Oct-2021)


 

   



 Qualifications by Specialization

The total job opening for these qualifications based on specialization is at 762,311 jobs!
  1. Network Engineer = 300,473
  2. Security Engineer = 272,120
  3. CyrberSecurity = 117,156
  4. Penetration Tester = 38,931
  5. Incident Manager = 16,584
  6. Security Assessor = 8,086
  7. IT Security Architect = 7,186
  8. Ethical Hacker = 1,775

High-Demand Careers (worldwide) | Source: LinkedIn (15-Oct-2021)

 

 

 

  


Qualifications for Directors & Managerial positions

The total job opening for these qualifications based on Directors and Managerial positions 
is at 48,446 jobs!
  1. Chief Information Security Officer (CISO) = 24,349
  2. Security Director = 12,860
  3. IT Security Manager = 11,237

High-Demand Careers (worldwide) | Source: LinkedIn (15-Oct-2021)


 



Qualifications related to Information Security

The total job opening for these qualifications related to Information Security 
is at 316,556 jobs!
  1. Information Security = 272,806
  2. Information Security Specialist = 19,127
  3. Information Security Consultant = 12,635
  4. Information Security Auditors = 11,988

High-Demand Careers (worldwide) | Source: LinkedIn (15-Oct-2021)


 

 

End Notes 

Disclaimer 

This article is a result of my personal research and is not a substitute for legal advise. 

Please consult your Legal Team, Ethics & Compliance, or Regulatory Team for the interpretation of  specific CyberSecurity requirements.

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