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Network Infrastructure Magazine | Thursday, December 01, 2022
Cybersecurity assessment services are increasingly using SD-WAN. Fast, scalable, and reliable connectivity between branches is what businesses desire.
FREMONT, CA: The main components of SD-WAN security are the utilization of IP security (IPsec), VPN tunnels, next-generation firewalls (NGFWs), and the micro-segmentation of application traffic. These security components are centrally managed and coordinated by network administrators using software that provides fine-grained network visibility.
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Every site in the network establishes an encrypted tunnel using SD-WAN, making the connection as secure as a VPN without the provisioning or setup required to set up VPNs. Due to the built-in encryption features of SD-WAN systems, only authorized users can access the network and view connected assets.
Secure SD-WAN infrastructure is crucial for organizations moving to SD-WAN to defend the company and its systems against online attacks. Flexible deployment methods, threat prevention, and scalable management should all be part of an effective SD-WAN protection strategy.
Top challenges for securing SD-WAN
Although SD-WAN systems can significantly improve an organization's networking capabilities, they also have substantial security risks. Organizations frequently encounter the following difficulties when attempting to protect their SD-WAN infrastructure.
Inadequate security services: With SD-WAN, a company cannot rely on the protections set up at the corporate data center and the traffic passing over the corporate LAN. Enterprise-grade security is necessary to connect to the public Internet at all branch sites.
Separation of duties: Network operations centers (NOC) and security operations centers are frequently managed independently by businesses (SOC). Network and security teams have different objectives and responsibilities; it can be challenging to reconcile how software-defined WAN combines network and security capabilities into a single solution.
Ineffective security: Inconsistent security policies and policy enforcement lead to ineffective security. Due to the differing requirements and capabilities of many sites, SD-WAN makes this more difficult to do.
Scalable management: Security must expand to meet the company's demands as it changes. Scaling distributed security and management across several sites is challenging.
Features of SD-WAN security
Next-generation firewall: The majorities of SD-WAN systems feature a built-in firewall, although these firewalls are often functional and only provide Layer 3 protection and packet filtering. These firewalls successfully impede unwanted access based on IP addresses and ports, but they need more comprehensive coverage by branched-out businesses.
Prevention-focused security: The built-in security of SD-WAN is insufficient. It provides clients with a basic level of security, but businesses must take further steps to recognize ever-more sophisticated threats and carry out remediation. The next stage is to fill the coverage gaps with the relevant security capabilities, considering how vast SD-WAN designs might be.
Best security and networking: When choosing an SD-WAN, network performance and security should be fine. The capabilities of a top SD-WAN provider like VMware, Silver Peak, Cisco, Citrix, Aruba, and Aryaka are combined with the security capabilities of a top security supplier like Check Point to provide the optimal security solution.
SD-WAN is becoming more and more common in cyber security evaluation services. Companies want connections between branches that are quick, scalable, and dependable.
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