One Article Review
| Source |  AlienVault Blog |
|---|---|
| Identifiant | 1947375 |
| Date de publication | 2020-09-30 05:01:00 (vue: 2020-09-30 05:13:14) |
| Titre | Next generation firewall (NGFW) explained: What is a NGFW? |
| Texte | What is a next generation firewall? Traditional firewalls have been around for decades. But NGFWs, uninhibited by the same technology limits, take advantage of significant advancements in storage space, memory, and processing speeds. The feature set for NGFWs build upon traditional firewall features by including critical security functions like intrusion prevention, VPN, and anti-virus, and even encrypted web traffic inspection to help prevent packets containing malicious content from entering the network. Many NGFWs are also capable of integrating with modern networking topologies like software-defined wide area networks (SD-WAN). Look around at the different firewall solutions today, and you’ll discover that most vendors label their solution as NGFWs. However, without a consensus from the security industry about what a next-gen firewall is and what it is not, organizations must look at all the features and decide if the solution fits their business needs. What are the benefits of a next generation firewall? Compared to traditional firewalls, there are myriad benefits to be aware of. At a high level, NGFWs provide comprehensive application visibility and control, can distinguish between dangerous and safe applications, and can help prevent malware from penetrating a network. Here are five of the most important aspects of how an NGFW helps organizations: Protects the network against viruses and trojans NGFW’s application awareness inspects the header information and the payload against pre-defined application signatures to provide that the application is exactly what it claims to be and one that has been approved for use. This could be a critical feature for any organization that allows network users to download applications from the internet. Blocks known productivity wasters With application control, the enterprise gains granular control over which applications can run, which features of an application can be used, and which applications should be given priority for bandwidth (such as VOIP). Applications such as Facebook, Twitter or YouTube, for example, can be blocked for users that don’t require them as part of their job function but allowed for departments that do need access (such as marketing). Another option is to enable posts to social media but disable the ability to chat. Identifies bandwidth hogs and mitigates risk NGFW’s identity awareness utilizes existing enterprise authentication systems such as Active Directory or LDAP. This feature allows for traffic monitoring by user or device as well as the ability to control the type of traffic a user may send or receive. As a result, organizations can identify users who gobble up bandwidth and help mitigate risk by allowing only legitimate business traffic to enter or leave the network. Simplifies administration, helping save money Integrated intrusion prevention systems (IPS) can detect attacks to the network by comparing traffic to a table of known threats or through anomaly-based or behavior-based detection methods. Before NGFWs, intrusion prevention systems had to be purchased separately alongside a traditional firewall, so this integration in one device is an ideal solution. Saving time and resources NGFWs allow organizations to tap into external security sources — including directory-based policies, allow lists, and block lists. No need to reinvent the wheel when there’s a whole world of information readily available. Why invest in a next-generation firewall? The primary function of any firewall is to help protect against unwanted or malicious traffic entering or exiting a network. However, as threats evolve and bec |
| Envoyé | Oui |
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| Tags | Malware Threat |
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