One Article Review
| Source |  AlienVault Blog |
|---|---|
| Identifiant | 1989823 |
| Date de publication | 2020-10-21 21:03:00 (vue: 2020-10-21 22:13:12) |
| Titre | Cloud firewall explained: what is firewall as a service? |
| Texte | This blog was written by a third party author As organizations continue moving away from hosting services and applications with onsite servers, the use of virtual machines and cloud-based security solutions like Firewall-as-a-service (FWaaS) is trending upward. With this shift away from traditional network security solutions, cloud firewall deployments have become the norm for many businesses. Here are answers to some of the most common questions about cloud firewalls. What does “cloud firewall” really mean? Unlike firewall appliances, which are typically hosted within an organization’s data center or branch office, cloud firewalls are software-based and hosted by a third-party provider. The purpose of a cloud firewall is the same as legacy firewalls: to block malicious traffic and prevent unauthorized access to private networks. Although the functionality is similar, cloud firewalls may be more suitable for modern business requirements because of their scalability and ease of deployment. Much like a traditional firewall is deployed to protect an organization's internal network, think of a cloud firewall as a virtual protective wall surrounding applications, infrastructure and platforms in the cloud. In addition, cloud firewalls also protect premises-based assets. Just because a firewall is a cloud firewall does not necessarily mean that its capabilities are cutting edge and meet the demand of today’s advanced threat landscape. The “cloud” in cloud firewall only means that the firewall is hosted in the cloud. A firewall’s form factor is not the relevant criteria here, and what’s most important for any firewall is the functionality. Learn more about different firewall types here. Are cloud firewalls also next-generation firewalls (NGFW)? Cloud firewalls (or virtual firewalls, or Firewall-as-a-Service (FWaaS)) can undoubtedly be a next-generation firewall. However, not all cloud firewalls are NGFWs. Typically, most cloud firewalls will boast some NGFW capabilities. Remember the key difference: NGFW is all about the firewall’s capabilities, whereas the “cloud” in cloud firewall indicates where the firewall resides. What are the benefits of a cloud firewall service? One of the key benefits to cloud firewalls is that they typically offer a lower upfront cost since there are no appliances to purchase. In addition, overhead is reduced when the hardware doesn’t have to be hosted in your datacenter. FWaaS can be managed, configured, and updated by a third-party vendor to ease the management burden for your company. Ongoing maintenance, such as firmware updates, is usually included in these vendor-managed services and are often deployed much faster than when done in house. In addition to the cost and resource benefits, there are a handful of additional cloud firewall benefits that aren’t quite as tangible. Perhaps the most significant advantage is the scalability and availability factors. With a more straightforward deployment, organizations can easily scale their security solution to support additional locations or higher bandwidth requirements without the complexity or cost of replacing appliances. When bandwidth is upgraded, cloud firewalls adjust automatically for consistency in cases such as mitigating a DDoS attack, for which bandwidth limits wouldn’t be a concern. When it comes to cybersecurity, availability is one of the three pillars (along with integrity and confidentiality). Cloud firewalls providers, wi |
| Envoyé | Oui |
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| Tags | Threat |
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