Firewalls allow you to gain uninterrupted and secure access to public networks like the Internet;
They do not allow sweden number for whatsapp unauthorized access to your network;
Firewalls enable the proper functioning of fundamental processes such as authentication and identification, as well as data encryption.
When you connect to the Internet from a device or a company network, many ports are opened, allowing PCs to communicate with each other, which happens, for example, when you send emails or log in online.
If one of the above ports is open, any user can use it to send or receive data on the Internet. It is precisely in this context that the firewall acts by protecting open ports and preventing unauthorized access .
The higher the number of open ports, the easier it is for attackers to infiltrate the system. Through unsafe communication channels, such as email and downloads from the Internet, access can be opened to attackers who have the opportunity to infiltrate the system and install dangerous malware.
The latter, almost always, take full control of the infected system. To increase the chances of recognizing these malware, it is necessary to use, together with a firewall, antivirus software that increases the level of security and defense. In this way, it will be possible to protect data and devices from cyber threats.
