Introduction to the basics of cybersecurity for beginners


cybersecurity is becoming increasingly important due to the growing influence of computer systems and the Internet on all spheres of life, the development of wireless networks (for example, based on Bluetooth and Wi-Fi), as well as the growth of “smart” devices, smartphones, television

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Gone are the days when passwords were enough to protect the system and its data.

 

We all want to protect our personal and professional data, which is why Cyber ​​Security is what you need to know to ensure data protection. Now a days there are lot of opportunities for cyber security engineer

 

So, let's define the term “cybersecurity”.

 

What is cybersecurity?

Cybersecurity is the processes and methods used to protect sensitive data, computer systems, networks and software applications from cyber attacks.

 

Cyberattacks are a common terminology that covers a large number of topics, here are some of the popular ones:

 

  • Violation of the integrity of systems and data stored inside
  • Exploitation of resources
  • Unauthorized access to the target system and access to confidential information
  • Violation of the normal functioning of the business and its processes
  • Using attacks to encrypt data and extort money from victims
  • Attacks are becoming more innovative and sophisticated, which could compromise security and hack systems.

 

Therefore, it is very difficult for each business and security analyst to overcome this problem and repulse these attacks.

 

To understand the need for cybersecurity measures and its practices, let's briefly look at the types of threats and attacks.

 

History of creation and development

 

In the early stages of the development of communication networks, security issues were not central due to the small number of users and the presence of mainly local networks, which implies the trust of all users to each other. With the development of technology and the growth of communication networks, the importance of security has grown. The history of cybersecurity begins with the advent of the first attacks on computers. In 1989, Robert Morris created the first computer worm - a self-propagating virus. Of course, attacks and viruses existed before this time, but it was the Morris worm that was the first large-scale and widespread DoS attack (the Denial of Service - “denial of service”) in the ARPANET network - the predecessor of the Internet. 

 

In the 1990s, the United States created the Information Security Research Consortium, in the framework of which they developed a proposal for the International Convention for the Suppression of Cybercrime and Terrorism. In September 1997, RFC 2196 was published, which provided guidance on developing a computer security policy within the Internet community. In 2014, the European Telecommunication Standardization Institute (ETSI) created the Cyber ​​Security Technical Committee, which is responsible for standardizing cybersecurity at the international level. 

 

Currently, cybersecurity is becoming increasingly important due to the growing influence of computer systems and the Internet on all spheres of life, the development of wireless networks (for example, based on Bluetooth and Wi-Fi), as well as the growth of “smart” devices, smartphones, televisions as part of Internet of things.

 

Specifications

Previously, cybersecurity actions were carried out manually, but now mainly using computers. Cybersecurity is based on three processes:

 

  • threat prevention
  • threat detection
  • response

 

Today the following types of attacks are common: backdoor (from the English back door - “back door”), denial of service attacks, direct access attacks, eavesdropping, data spoofing, falsification, phishing (from English fishing - fishing), clickjacking (English . Clickjacking) and others.

 

The main preventive measure today is the use of firewalls, the so-called "firewalls", which filter incoming packets. An important security measure is the use of cryptography to protect files, authentication procedures for accessing data (the easiest way is to enter a password, biometric verification). Modern operating systems are equipped with algorithms for checking and scanning for possible threats.

 

The average cyber security analyst salary for this position falls between $90,000 and $160,000, and they are worth every penny. These security professionals help create, plan, and carry out security measures to keep your infrastructure secure.

Cyber ​​security is the most important issue as cyberthreats and attacks grow.

 

Attackers now use more sophisticated methods to target systems.

 

People, a small business or a large organization, are exposed to them.

 

Thus, all these firms, whether IT or non-IT companies, have realized the importance of cybersecurity and have focused on taking all possible measures to combat cyber threats.

 

In the game against cyber threats and hackers, organizations and their employees must take a step forward to deal with them.

 

Since we like to connect everything to the Internet, it also increases the likelihood of vulnerabilities, violations and shortcomings.

 

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