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Network Infrastructure Magazine | Friday, March 11, 2022
To combat current cyberattacks, each organization with an established network, regardless of industry or size, needs to install a firewall.
Fremont, CA: There is a widespread misperception that firewalls are only necessary for major corporations or financial institutions. The truth is that every firm with an established network, regardless of industry or size, should install a firewall. Since cybercriminals know that small businesses invest fewer resources in network security, nearly half of modern cyberattacks are directed at them. Unlike their more established competitors, these businesses struggle to recover after a cyberattack, which is why they must invest in firewalls.
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Here’s why organizations need a firewall:
Preventing malicious traffic
Firewalls use pre-defined rules to examine incoming and outgoing data and determine whether the traffic is valid. Different forms of data access different locations on your network, known as ports. For example, the VoIP phone traffic port is normally open. The firewall can be configured to allow just traffic from the VoIP provider to enter this port, while all other traffic is denied.
Reporting Unauthorized Activity
Firewalls track not only IP addresses but also signatures to determine whether a person or application is harmful. It recognizes signatures associated with DDoS assaults or other malicious activity. When such attacks are discovered, the firewall not only blocks them but also warns the enterprise. The most significant advantage of a firewall for a small business is that if there is ongoing hacking activity against a network, they may immediately notify the organization so that their cybersecurity team can neutralize the danger and secure their systems.
Preventing phishing attacks
Business-grade firewalls can detect whether a connection that has been accessed is associated with a social engineering assault such as phishing. If it is, the firewall immediately blocks all outgoing data and issues a warning to the user. Furthermore, firewalls offer features such as email filtering, which analyses incoming emails for red flags such as phishing and prevents sketchy emails from reaching the user's mailbox.
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