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Traditional Firewalls Can’t Keep Up with the Growth of Encrypted Traffic

CATO Networks

A growing percentage of Internet traffic is protected by encryption. According to Google , approximately 95% of web browsing uses the encrypted HTTPS protocol. This trend toward traffic encryption has been driven by a few different factors. The move toward data encryption is a mixed blessing for cybersecurity.

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Firewall Bursting: A New Approach to Scaling Firewalls

CATO Networks

The growing amount of encrypted traffic coupled with the security appliances limited processing power is forcing enterprises to reevaluate their branch firewalls. The appliances simply lack the capacity to execute the wide range of security functions, such as next-generation firewall (NGFW) and IPS, needed to protect the branch.

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MPLS, SD-WAN and Network Security

CATO Networks

TechTarget has recently published an interesting article on the security implications of deploying SD-WAN using 2 customer case studies. In both cases, the customers wanted to extend an MPLS-only WAN into a hybrid WAN based on a combined MPLS and Internet connectivity. Does SD-WAN improve on MPLS security?

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How Secure is Your SD-WAN?

CATO Networks

The market for SD-WAN has been driven in part by its ability to reduce bandwidth costs and improve the performance of cloud access. Traditionally, Wide Area Networks (WANs) and network security were loosely coupled entities. This amicable live-and-let-live separation falls apart with todays SD-WAN.

WAN 52
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What is Firewall as a Service (FWaaS) and Why You Need It

CATO Networks

Since the beginning of networks, the lynchpin of network security has been the firewall. The first network firewalls appeared in the late 1980s, and gained almost universal acceptance by the early 1990s. So what is a Firewall as a Service and why do you need it? FWaaS is a new type of a Next Generation Firewall.

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WAN Optimization vs. SD-WAN, or Why You Need Both

CATO Networks

The widespread adoption of Software-Defined Wide-Area-Network ( SD-WAN ) in recent years has caused many to wonder whether WAN optimization is still necessary. More specifically, t he rise of WAN optimization began around 2004 and addressed the limitations of the limited capacity of costly MPLS and leased line connections.

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WAN Optimization in the SD-WAN Era

CATO Networks

WAN optimization has been with us for a long time. Born alongside the expensive MPLS data service, WAN optimization appliances allowed organizations to squeeze more bandwidth out of thin pipes through compression and deduplication, as well as prioritizing traffic of loss-sensitive applications such as remote desktops.

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