To protect an infrastructure and its data, cybersecurity is used, a field that is taught at Jedha. But what jobs can you do in this field? In this article, we present the job of a cryptologist, the necessary training and the salary!
The definition of the cryptologist's profession
To fully understand the profession of cryptologist, it is necessary to take a close look at cryptology. Cryptology is a science that groups together two branches: cryptography , which ensures the encoding of information, and cryptanalysis , which allows its decoding. The methods used in cryptology, whether traditional or modern, aim to encode sensitive information to ensure its security and to combat fraud.
The cryptologist is a real expert in computer security of communication systems.
Also known as a cryptanalyst or cryptologic engineer, they ensure the cybersecurity of sensitive data such as passwords, credit card numbers or account identifiers, they develop coding methods based on complex algorithms. They do this with the help of a solid education such as our Cybersecurity Essentials course.
The role and missions of the cryptologist
The role of the cryptologist is decisive for the security of the information systems of his client companies.
It ensures confidentiality (protection against unwanted readings), data transmission and guarantees its integrity (no modification or alteration) and authenticity (origin).
One of its main tasks is to prevent the leakage of sensitive information and its possible exploitation for illegal purposes such as identity theft, bank fraud or intrusion into a computer system.
To this end, it develops and analyses multiple encryption algorithms to validate their security (reliability and resistance of its encryptions).
This allows it to transform a clear message into a message that is only accessible to the person who holds the encryption key.
In order to leave no loopholes for hackers, this cybersecurity expert also tests the programs designed by the developers and ensures that they are secure.
In the past, cryptologists were only involved in the security of computer systems in the defence and diplomatic fields. Their role has since evolved and these cybersecurity experts are now in charge of IT security for the telecommunication and smart card industries, as well as for high-tech consulting companies.
Cryptologists are also responsible for the continuous development of new encryption technologies for the security of computer systems, for testing cryptological theories and for providing reports.
As a cybersecurity expert, the cryptologist also keeps a constant watch on technological advances in order to be better equipped and to anticipate possible attacks. It is for this reason that they must always update their initial training.
The skills and qualities of a cryptologist
Becoming a cryptologist cannot be improvised. This cybersecurity profession requires many skills that can be acquired through training, but also certain qualities.
The skills required
A cryptologist needs an excellent understanding of computer security systems. He or she must also have a perfect knowledge of cryptographic theories and their application in the field of cybersecurity. This profession therefore requires a strong scientific background. A good cryptologist is responsible for the security of systems and is both a mathematician and a computer scientist. To do this, it is essential to develop multiple skills. This involves, among other things
- mastery of information coding, mathematics applied to cryptography, algebra, probability and statistics,
- knowledge of the main programming languages such as Python, Java, C++,
- a perfect command of key exchange and digital signatures,
- knowledge of software development, smart cards, secure programming, technological norms and standards, computer networks,
- an understanding of the control of data structures and algorithms including symmetric key algorithms for cryptography.
Fluency in spoken and written English is also a necessary skill for a career in cryptology.
The qualities
Skills alone are not enough to become a good cryptologist. Beyond these, a cybersecurity specialist must also be a rigorous professional with a strong sense of precision who takes good care of the security of systems. Similarly, to be successful in coding and testing systems, this IT expert must be organised, methodical and persistent.
Finding the perfect cryptographic solution can indeed take time. Only a patient and persevering mind can achieve this. The cryptologist must also know how to work in a team and be adaptable. Being able to withstand pressure and stress are also qualities expected of this IT security professional.
Studies or training to become a cryptologist
To make a career in cryptology and to ensure the security of digital information, it is necessary to justify a Master's degree at university in computer science, cryptology or mathematics. For example, you can opt for a degree from an engineering school by choosing a master's degree with a specialisation in cryptography, security and information coding. The courses that will be taught in the framework of this training will enable budding cryptologists to acquire the necessary skills to become true specialists in computer security.
Similarly, a Master's degree in cryptology, networks and protocol, cybersecurity, mathematics and application, science, technology and health, complex systems engineering is also recommended to get started in this exciting field.
The cryptologist's salary
The salary of cryptologists varies according to the years of experience they have acquired, but also according to the profile of the recruiting company. At the beginning of their career, after obtaining a master's degree, they earn on average between 2200 and 2900 euros gross monthly salary. With time and years of experience, this salary can reach 5,000 euros, or even 15,000 euros for experienced IT security specialists. In other countries, such as the United States, the average annual salary of a cybersecurity expert ranges from 83,000 to 150,000 dollars.
Career developments in cryptology
Cybersecurity is a real challenge for private and public organisations. The profession of cryptologist therefore has a bright future and the career development opportunities are quite good. After a few years, a cryptologist can progress to the position of information systems security manager or CISO. He or she can also take on more complex missions that require real experience.
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