A quick guide to cyber security for beginners

Do you know why cyber security is so important? We are in the midst of a digital revolution, and data is more important than ever. We have to realize that private information is more exposed than it has ever been. Data breaches and identity theft cases affecting millions of people are all too common. WannaCry ransomware, which infected millions of computers two years ago, was used to encrypt them all. Every company and organization is engaged in a battle to keep their data safe from hackers and other thieves, and you can help. Personal computers, mobile phones, and tablets are all part of the cybersecurity equation. Acquire cyber security certifications online, and get started with your journey.


What is Cybersecurity?


Cybersecurity is the science of preventing assaults, damage, and illegal access to networks and devices through technology and processes. Since data is now the foundation of every organization, cybersecurity is critical for the military, hospitals, huge corporations, small businesses, and any other entities or persons involved. There are numerous dangers associated with the exploitation of this information. Let’s look at the CIA triad and see how it relates to cybersecurity now that we understand what cybersecurity is all about.


CIA Triad


Any organization’s security begins with three principles: confidentiality, integrity, and availability. 


Confidentiality: Confidentiality principles state that only parties with the proper authorization should have access to sensitive information and functions. Military secrets, for example.


Integrity: There are rules on who and how to change, add or remove sensitive data and functions based on integrity. An illustration of this is when a user enters inaccurate data into a database.


Availability: Systems, functions, and data are required to be available on-demand in accordance with agreed-upon parameters, based on service levels, according to the availability principles.


Cybersecurity Specializations


To be successful in the field of cybersecurity, you must be familiar with the various specializations within it. This cyber security for beginners tutorial will assist you in learning about these different specializations. There are a total of nine.


Access control systems and methodology: This has to do with preventing unauthorized access to crucial system resources.


Telecommunications and network security: This focuses on communications, protocols, and network services, as well as the vulnerabilities that may be present in each.


Security management practices: Catastrophic system failures, natural disasters, and other sorts of service interruptions are dealt with efficiently in this area.


Security architecture and models: This mostly focuses on putting security policies and procedures in place. Security policy planning for a wide range of security issues falls under this category.

Law, investigation, and ethics: This is where the legal concerns relating to computer security are taken care of.


Application and system development security: This person is in charge of things like database security models and the execution of multilevel security for in-house apps.


Cryptography: The goal of this guide is to teach you when and how to encrypt data.


Computer operations security: This includes everything that takes place when your machines are running.


Physical security: Physical access to your servers and workstations is a major concern for many business owners and IT professionals today.


Common Types of Attacks


This cyber security for beginners course will teach you the ins and outs of how and why attacks occur. Attacks are always motivated by something, and the most common motivation is greed for money. As soon as they’ve gained access to the system, hackers start holding the victims hostage for ransom. Another explanation could be that the target has suffered a financial loss, or that a state military goal was achieved, or that the target’s reputation has been harmed, or that political maneuvering is being used against it.


Distributed Denial of Service


It’s an attack that blocks a user from accessing resources by flooding the network with traffic. A botnet controller is in charge of all the bots connected to it. The attacker instructs the botnet controller to launch an attack on a target server, flooding it with bots. Due to high traffic, a user will be denied access when trying to access the website.

Password Attack


This method can be used to break a password or discover a new password. In terms of password assaults, there are five main categories:


Dictionary attack: We can use this way to handle any password that is found in the dictionary.


Brute force: Passwords and other types of data are decoded through a process of trial and error. This is the most time-consuming attack.


Keylogger: A keylogger, as the name implies, keeps track of every keystroke made on a keyboard. Keyloggers are commonly used by hackers to steal passwords and other account information.

Shoulder surfing: The intruders spy on the user’s keyboard by peering over his shoulder.


Rainbow table: Rainbow tables are used to store hash values that have already been computed. To find the user’s password, attackers use this table.


Malware Attack


Malware: In other words, this is a harmful program or piece of software that can do harm to your computer. Malware comes in three flavors.


Virus: A computer virus is a piece of malicious software that copies itself onto another program or document and alters the way a computer functions. To spread, a user or system administrator must be unaware of or provide authorization to the virus.


Worms: These are programs that run on their own and spread malware throughout the system.

Wrapping up

Evidence suggests that cybersecurity skills are in high demand right now. As a result, the labour supply and demand in this industry will continue to be difficult to gauge. The main cause for the expansion of this industry is the rapid advancement of technology. Because of the global economy and communication, it’s a positive thing that everyone is working together to reduce cyberattacks. Because of this, cybersecurity is a multidisciplinary field that calls for experts from a variety of fields, not only computer science and information technology. 

Now you can avail cyber security training online as well. There are several courses available for you to choose from. Enroll in cyber security training certification courses and get started with your journey.

Leave a Reply

Your email address will not be published. Required fields are marked *