Cyber security is the practice of defending computers, servers, mobile devices, electronic systems, networks, and data from any kind of attacks. It is also known as information technology security.  
It is a discipline that covers how to defend devices and services from electronic attacks by nefarious actors such as hackers, spammers, and cybercriminals. 
While some components of cyber security are designed to strike first, most of today’s professionals focus more on determining the best way to defend all assets, from computers and smartphones to networks and databases, from attacks.

Several types of protection are known and can be classified as follows:

Application security: It focuses on keeping software and devices free of threats. Successful security begins in the design stage, well before a program or device is deployed.

Information security: It protects the integrity and privacy of data, both in storage and in transit.

Operational security: It includes the processes and decisions for managing and protecting data assets. The permissions that users have when accessing a network and the procedures that determine how and where data can be stored or shared fall within this scope.

Disaster recovery: It defines how to respond to a cyber-security incident or any other event that causes the loss of operations or data.

Business continuity: It is the plan the organization falls back on while trying to operate without certain resources.

End-user education addresses the most unpredictable cyber-security factor: People. Anyone can accidentally introduce a virus to an otherwise secure system by failing to follow good security practices. Teaching users to delete suspicious email attachments, not plug in unidentified USB drives, and various other important lessons is vital for the security of any organization.

How Does Cyber Security Work?
Cybersecurity encompasses technologies, processes, and methods to defend computer systems, data, and networks from attacks, this should be divided as follows:

• Application Security 

Application security covers the implementation of different defenses in an organization’s software and services against a diverse range of threats. This requires cyber security experts to create a secure code, design secure application architectures, implement robust data input validation, and more, to minimize the chance of unauthorized access or modification of application resources.

• Cloud Security

Cloud security relates with the creation of secure cloud architectures and applications for companies that use cloud service providers.

• Identity management and data security

It encompasses the activities, frameworks and processes that enable the authorization and authentication of legitimate individuals in an organization’s information systems. These measures involve the implementation of powerful information storage mechanisms that protect data, whether in transition or residing on a server or computer. In addition, greater use is made of authentication protocols, whether two-factor or multi-factor.

• Mobile Security

This protects organizational and personal information stored on mobile devices like tablets, cell phones, and laptops from different threats like unauthorized access, device loss or theft, malware, viruses. In addition, mobile security uses authentication and education to help amplify security.
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