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This service is responsible for the protection of the IT infrastructure and everything related to it, so that the information system is secure using various tools that help prevent security risks in this area.

IT security is usually compared to a chain, which is secure if the weakest link is also secure. In order to find this link and protect it, security has to be dealt with from different points of view:

- Establish the physical security that affects infrastructure and material.
- Establish logical security to protect data, applications and operating systems.
- Make users aware of the importance of equipment, system and information security.
- Protect communication systems, especially in networks.

When searching for companies dedicated to this service, the demanding companies must take into account a series of considerations with the aim of facilitating the entire search process.

MAIN OBJECTIVES

The main objective of IT security is to ensure that resources and information are protected. To protect this, it is necessary to achieve the following points:

• Integrity: only authorized users will be able to modify the information.
• Confidentiality: only authorized users will have access to the resources and information they use.
• Availability: information must be available when needed.
• Irrefutability: the user cannot refute or deny an operation carried out.

MEANS OF PROTECTION

The means of protection are the following:

• Antivirus
• Firewall
• Cryptography
• Anti-spyware