Advantages and Disadvantages of Firewalls

These days, most of our work and daily tasks, from schooling to shopping, are conducted online. The internet has made it possible to accomplish tasks that used to take hours with just a few taps on a computer, laptop, or smartphone. It has been demonstrated that internet activity has increased dramatically, and as a result, so have internet-related threats such as hacking, cracking, spamming, etc. To regulate these web activities, firewalls are applied to prevent illegal and unauthorized access to a computer, laptop, smartphone, tablet, etc.

What is a Firewall?

A firewall is a system of security devices (hardware or software) designed to prevent attackers from obtaining unauthorized access to a network system. A firewall also prevents malware from infecting the system by filtering out traffic it considers to be unwanted.

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