CyberSecurity 101 — Fundamentals for Junior Engineers and Job Seekers
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CyberSecurity 101 — Fundamentals for Junior Engineers and Job Seekers

About the Book

Are you looking to enhance your knowledge and become a more proficient cybersecurity engineer? Or perhaps you are new to the field and eager to learn the fundamentals?

The story behind the book:

Many companies are interviewing candidates for junior cybersecurity engineer positions who express an interest in the field but lack basic knowledge and understanding. This phenomenon is observed not only among IT engineers seeking to transition into cybersecurity roles, but also among fresh university graduates who may not have received adequate education in cybersecurity.

To identify the best fit for a team and the culture, many companies assess candidates based on their willingness to learn and take calculated risks, often relying on their instincts. Once selected, they create a tailored training path for the candidate with the hope that they will enjoy the journey, develop a passion for cybersecurity, and become proficient engineers and cybersecurity experts who contribute to the company and increase productivity.

In some cases, the provided training includes basic cybersecurity concepts, networking, techniques, technologies, methodologies, threats, attacks, vulnerabilities, tools, and more. While some candidates may only require a quick refresher if they have received prior education in these areas, many others need to learn from scratch. The training sessions can be time-consuming, taking away from productive work, and need to be repeated for new hires.

To address this gap, you may use this book that covers the fundamental knowledge required to kickstart or refresh one’s understanding in cybersecurity.

If you are aspiring to enter the field of cybersecurity, we encourage you to explore the book and gain a solid understanding of the fundamentals. Refresh your knowledge, practice with labs, and equip yourself with the necessary skills to secure a job in this field or become a better engineer.

For companies, this book can serve as a valuable guide to provide to newly hired employees, helping them get started in their roles with a solid foundation of knowledge.

Furthermore, this book is a comprehensive guide to answering core cybersecurity questions that may arise during job interviews for a cybersecurity engineer or consultant position. It covers essential concepts and terminology expected to be known and understood by candidates, helping them become more confident in describing and demonstrating their knowledge during interviews. With this book, readers can verify their knowledge before their interview, identify areas they need to strengthen, and gain a solid understanding of fundamental cybersecurity concepts, including networking, security systems, operating systems, attacks, threats, and certifications, among others.

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    • Networking
    • Computers and Programming
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About the Author

Andreas Constantinides
Andreas Constantinides

An enthusiastic IT Security manager and Consultant with 17 years of experience in Information Security. From

security engineer to security consultant, I have served for the last 13 years as a Managed Security Services (MSS)

and Professional Services Manager. I’ve had the chance to work with very large security infrastructures, reporting

directly to C-level executives (CIO, CSO and CEO). I possess long experience in Incident Response, Security Design,

implementation and management of security and network infrastructures, I have been involved numerously in

proposal preparation and writing technical/business executive requirements and reports.

Worked on premises with various network infrastructures of large-scale customers. Expert in many security

technologies and various networking equipment. Furthermore, I have deep knowledge in packet analysis, threats,

vulnerabilities, incident investigation and response.

As manager of Professional Services, I design custom security service packages for the company’s portfolio, and I

provide and implement customized solutions and consulting for the needs of customers. Additionally, I am an

Incident Responder, a vulnerability assessment expert and forensics analyst.

Served 9 years as the Manager of a 24/7 MSS & SOC team that were monitoring and analyzing real-time and

historic data and logs, discovering security anomalies, analyzing events and alerts, identifying violations and

managing, reporting and following incidents to closure. I have also been involved in the training and managing of

Senior Security Analysts, advising and recommending remediation paths.

I am public speaking to various events, TVs, radios and newspapers on cybersecurity matters.

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