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Managed firewalls are security systems monitored by third-party companies, offering protection beyond consumer-grade firewalls. They are critical for businesses with sensitive data and multiple network users, with round-the-clock monitoring and rapid response to security issues. Vendors provide reports and handle maintenance.
Managed firewalls are information security systems that are constantly monitored and updated by computer analysts. Like typical firewalls, they are software, hardware, or a combination of both designed to prevent unauthorized access to and from a network of private computers. However, managed firewalls are usually administered by a third-party company that specializes in information security. Most managed firewalls are used by businesses that have both the need and the budget for the broad protection afforded by this type of system.
Consumer-grade firewalls are usually in the form of programs purchased at home electronics or computer supply stores and installed on a home computer. For almost all home networks, this type of firewall offers comprehensive protection against unwanted access. However, for businesses with multiple computers connected to the Internet around the clock and with sensitive data such as personal or credit card information stored in the system, managed firewalls are critical to keeping information safe. Consumer-grade firewalls simply aren’t meant to handle the amount of traffic generated by a business with many network users or multiple locations. Large enterprises may have enough analysts to staff the design, installation, and maintenance of on-premise managed firewalls. For small businesses, however, it may be necessary to outsource the construction and maintenance of managed firewalls.
Managed firewalls operated by third-party companies allow a business to focus on day-to-day operations without having to spend time or financial resources on hiring and training employees to manage the onsite security system. They also offer the experience and expertise of qualified security professionals. Once an outside firm is selected, an initial consultation and security audit is performed to determine a firm’s needs. Managed firewalls are then created and installed. Good managed firewalls use cutting-edge technologies, such as custom processors, to ensure that the firewall offers protection beyond that of consumer-grade software without compromising network performance.
Once the firewall is deployed on the network, external analysts handle all areas of firewall maintenance, including software updates and troubleshooting. If possible security issues arise, they are fixed immediately. Round-the-clock monitoring and threat response are built into the cost of most managed firewalls.
The best managed firewalls offer rapid response to any necessary changes in security policy, network attacks, or reconfigurations necessitated by user changes. Vendors must also provide reports so that firewall performance, as well as firewall support, can be evaluated. Other considerations when choosing managed firewalls include backing up information and replacing hardware.
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