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6 reasons why your company needs a firewall


A firewall is a network security device that is a protection barrier between internal and outside networks. Its main purpose is to control, monitor, and filter incoming and outgoing network traffic based on a defined set of security rules. Based on these rules, it examines data packets and determines whether they should be allowed or blocked. 


A firewall plays a crucial role in corporate network security in several ways: 


Traffic control 
Helps control network traffic flow by filtering and blocking untrusted or potentially malicious inbound and outbound connections. This helps prevent unauthorized access to sensitive information and resources. 


Access control
Implementing specific rules, firewalls can restrict access to certain applications, services, or ports based on user roles and permissions. This ensures that only authorized individuals can access critical resources within your company's network. 


Network segmentation
Allows the network to be segmented, which involves dividing it into separate segments or subnets. This helps isolate different departments, network services, or user groups, providing an additional layer of security. Thus, if one segment is compromised, the firewall can prevent attackers from moving laterally to other segments. 


Intrusion prevention

Firewalls can include intrusion prevention systems (IPS) that detect and block malicious network activities in real time. These systems monitor network traffic and apply predefined rules or behavioral analysis techniques to identify and mitigate potential threats. 


Virtual Private Network (VPN)
Many firewalls support VPN functionality, allowing remote employees or branch offices to access the corporate network over encrypted connections securely. This helps protect sensitive data transmitted between different locations. 


Logging and auditing
Firewalls often keep logs of network traffic, which can be useful for monitoring and detecting potential security incidents. These logs can be analyzed to identify patterns, track suspicious activity, and investigate security breaches. 


Today, organizations must update and configure their firewalls periodically to keep up with evolving security threats and complement these security systems with other solutions. Network threats come in various guises, so enterprise-grade firewalls, backed by threat visibility tools such as endpoint security solutions, have become essential. Unified security on one platform, which enable services with greater scalability and speed while ensuring operational efficiency, is the best way of ensuring that these solutions are fully integrated. 


Want to find out more? Get in touch with WatchGuard's Product Manager: 

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REGON 122894922

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ph. +48 12 340 90 30


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