Meaning of network security?
A super-archive of network protection that prevents unwanted access, exploitation, modification or neglect of networks and network resources, and the policies and procedures enforced by a network administrator.
This means that a well-established network security block is accessing or changing security information such as viruses, malware, hackers, etc.
Tecodia explains the network security
The first level of network protection is implemented through a username / password system, which allows only authorized users to access customized features. When a user is proven and granting certain system access, by implementing configured firewall network policies, that is, accessible user services
However, the firewall does not always detect and does not stop viruses or harmful malware, which may cause data loss. An anti-virus software or an uncontrolled prevention system (IPS) is used to prevent viruses and / or malicious malware from entering the network.
Network security is sometimes confused with information security, which has a different scope and data integrity of all forms, print or electronic related.