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A Guide to VPN Protocols Business
A guide to VPN protocols,Author: Sue Poremba,Long before 2020, Virtual Private Networks (VPNs) were among one of the many tools used to secure access to company networks from remote or outside the network locations. However, they took on greater significance when many more employees moved from office buildings to dining room tables. VPNs not only help with employee mobility and business continuity but can also amid rising cyber security threats. These multiple uses are strong drivers behind the global VPN market's growth, with a projected market size of $77.1 billion by 2026. While not necessarily household names, familiar protocols like Secure Socket Layer (SSL) and Transport Layer Security (TLS) are employed whenever you see HTTPS in a browser address bar. A short introduction to the VPN protocols that are behind this security option will help show why it is so important, how the protocols work and the different options which might work best for your organization, especially since public internet connections have become more prevalent and accessible for everybody. VPN protocols explained,VPN protocols are a set of standard specifications for establishing a secure tunnel using encryption, verification and security for data transmission between a device (or endpoint) and another device (or endpoint). For VPNs to be most effective, protocol standards are necessary to build secure ways to transmit data over the public internet which is otherwise open and not secure for sending data. Think of , or encrypted connections that connect to a company's private, secured network. They are used to transmit sensitive data across an unsecured "underlay" network and protect that information from malicious actors. By using VPN tunnels it allows you to transmit data so that it is not directly viewable because it is sent through an encrypted virtual tunnel which makes the data unreadable. To put it differently, sometimes speed and capacity outweigh the need for security. It is worth remembering that not all data transmitted over a network is sensitive or in need of being secured over a VPN. Types of VPN protocols explained,Different protocols are available to meet a variety of user requirements. When deciding what are the best VPN protocols for your organization, it is worth considering:Site-to-site VPN,A site-to-site VPN connects multiple networks, such as a corporate network with multiple branch offices. Internet Protocol Security (IPSec) authenticates and then encrypts individual IP packets. It offers a suite of security protocols that add encryption services to other protocols. This protocol is commonly used for site-to-site VPN tunnels. Layer 2 Tunnel Protocol (L2TP) is often paired with IPSec because, while it creates the tunnel and handles authentication, it doesn't have any encryption. Mobile VPN apps,Mobile VPN apps can help users to protect their phones and tablets, whether they are being used on their mobile data network or on home or public Wi-Fi. One of the most used VPN protocols in this scenario is Internet Key Exchange version 2 (IKEv2). This is because it can facilitate virtually seamless switching between mobile data and Wi-Fi because it automatically reconnects back to a VPN server whenever the connection is interrupted. A newer protocol, for its ability to combine fast speeds with strong encryption security. However, it will only work on devices where you can install apps. Further, it doesn't counter deep-packet inspection so may not be able to work with certain network firewalls. Windows vs. Non-Windows users,Secure Socket Tunneling Protocol (SSTP) is a closed-source VPN protocol that's easy to use on Windows platforms because it's a Microsoft proprietary protocol. SSTP may be a good choice for companies that exclusively use Microsoft Windows. is an open source protocol and supported by many VPN services. It bundles different protocols into a library for various encryption methods, which are beneficial for stable connections and connecting to remote servers. However, it doesn't run natively on Windows, so your organization will require third-party software if you use Windows. Understanding what operating system or computer platform is being planned for use in the near future is critical in this decision. Proprietary VPN protocols explained,Some VPN service providers use existing open-source protocols as the basis for . For example. However, they don't offer the same level of transparency because they have added proprietary features, so users are unable to tell what has been changed from the original open-source protocol. This can make validating their level of security difficult, if not impossible. Your needs will determine the best VPN protocols for your organization; or even if a private network is a better option. Securing data transmissions is the primary reason for using a VPN; the devices you use and the type of data you exchange will play a large role in the VPN protocol you choose. The other option: MPLS,Multiprotocol label switching (MPLS) provides a secure option because it handles data at the packet level and uses labels rather than network addresses. The labels, which are allocated to each unit of grouped data (or data packet), control the transmission path. It's fast, secure and scalable. Its biggest downside is cost, but the entire MPLS network for an organization is a private network managed by a service provider, such as Verizon, who provides network performance and availability guarantees. that bypasses public networks and the network is designed to grow as the business grows. MPLS is used by many enterprises and government entities as their foundational core network technology. Learn more about how Verizon can help you users and connecting them with applications, data, other users and to the cloud. The,If you'd like to receive new articles, solutions briefs, whitepapers and more—just let us know. . * Indicates a required field. We will follow up from your contact request using the information provided. Choose your country to view contact details. Manage your account or get tools and information. These cookies are necessary for the website to function and cannot be switched off in our systems. 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Learn moreZTNA vs. VPN: Which Is Better for Enterprise Security? Business
ZTNA vs. VPN: Which approach is better for enterprise security?,Author: Satta Sarmah Hightower,Critical business decisions about vs. approaches to enterprise security are currently driven by the and the increasing . These important trends mean that organizations can no longer rely on to effectively combat security threats. Here is the breakdown of ZTNA vs. VPN, including their differences and how ZTNA interacts with (SASE) to help you decide on the best security approach for your business. ZTNA vs. VPN: What's the difference?,Approach to security,ZTNA is an identity-driven security model that combines a range of security automation tools with adaptive security policies to restrict or grant access to an organization's network. It's anchored on the principle of least privilege, which means users only have access to the data and applications they need based on their roles. ZTNA assumes every user or device requesting access is a potential threat and enables context-aware, risk-based security decision-making that allows organizations to effectively protect their networks. VPN security encompasses an entirely different approach. VPNs allow employees or other authorized users to connect remotely, with firewall protection at each connection point or on the actual device. Data is encrypted and is transmitted through a virtual tunnel to securely connect a user to the internet from their respective location. VPNs use a central entry point to authenticate users and protect the perimeter, whereas and based on real-time risks in an organization's environment. Complexity,Organizations that use VPNs for remote access have to decide where to place VPN gateways for good performance and user experiences. But because VPNs rely on appliances, they're infrastructure-centric and limited in the capacity and number of entry points they can provide. VPNs can make sense for on-premise environments and flat networks, but most organizations now operate within a with hundreds, if not thousands, of endpoints connecting to their networks. VPNs also require organizations to adjust routing for new user groups and create firewall or access control list rules to provide authorization to applications. This adds complexity and risk, which requires multilayered security, robust security intelligence and automation, all of which ZTNA technologies encompass. Performance,Performance is another point of difference when you compare ZTNA vs. VPN. VPNs often have slower connections because they must backhaul traffic to a centralized enterprise data center. Based on the distance between a user's location and the server's location, the farther away the user, the slower the connection will be. This can delay user access to data-intensive work-from-home applications, like videoconferencing solutions and digital workspace platforms. In addition, Traditional VPNs aren't as scalable as ZTNA solutions, often requiring dedicated hardware (which can increase costs for organizations) that is time-consuming to deploy and not scalable when needs spike. VPN-based security also offers less visibility into connections than zero trust, especially if the connection is already infected with malware or other malicious software. VPNs provide some measure of protection if a user connects through their home network, happens to be on public Wi-Fi or if a company wants to facilitate secure access for employees at different branch offices. However, with the and the , the traditional castle-and-moat approach to security may not be the most effective approach for many organizations going forward. The perimeter now extends to employees' homes and from wherever they choose to work remotely, there is risk in trusting every user—even after they're granted access. To strengthen their security posture, organizations will need to restrict access and verify identities. ZTNA security and SASE,When comparing ZTNA vs. VPN, it's also useful to consider how ZTNA can be used as a critical component of emerging service-based security models, such as SASE. SASE is a service-based security architecture that when combined with (SD WAN) provides protection closer to the connection point, rather than backhauling traffic back to a centralized data center. Like ZTNA, SASE is an identity-driven security approach. However, rather than focusing narrowly on controlling access, SASE focuses more broadly on protecting the enterprise overall. ZTNA can keep bad actors from entering the gates and restrict their lateral movement if they do, while SASE integrates ZTNA security into a unified, cloud-delivered, service-based architecture to strengthen network security, optimize how traffic is routed and streamline network management. Together, SASE and ZTNA can strike the right balance between employee access and security to remove friction while effectively protecting the enterprise. Building a secure enterprise with ZTNA,As companies continue to adopt remote and hybrid work models and digitize their operations, they must ensure their security infrastructure is equipped to support this new way of working. VPNs were more effective during a time when threat actors weren't using sophisticated tools like artificial intelligence and machine learning to gain unauthorized access to systems and quickly move laterally through the network, wreaking havoc in their wake. The risks organizations face are great. ZTNA security is now a vital tool for them to manage a complex digital environment, increase their business agility and secure the enterprise in this new era of remote work. Learn how Verizon can help provide a better approach to . Gartner, , 2020. If you'd like to receive new articles, solutions briefs, whitepapers and more—just let us know. . * Indicates a required field. We will follow up from your contact request using the information provided. Choose your country to view contact details. Manage your account or get tools and information. These cookies are necessary for the website to function and cannot be switched off in our systems. They are usually only set in response to actions made by you which amount to a request for services, such as setting your privacy preferences, logging in or filling in forms. You can set your browser to block or alert you about these cookies, but some parts of the site will not then work. These cookies do not store any personally identifiable information. These cookies allow us to count visits and traffic sources so we can measure and improve the performance of our site. They help us to know which pages are the most and least popular and see how visitors move around the site. We use both third party and first party cookies for this purpose. All information these cookies collect is aggregated and therefore anonymous. If you do not allow these cookies we will not know when you have visited our site, and will not be able to monitor its performance. These cookies enable the website to provide enhanced functionality and personalisation. They may be set by us or by third party providers whose services we have added to our pages. If you do not allow these cookies then some or all of these services may not function properly. These cookies may be set through our site by Verizon and third parties. They are used to present Verizon advertising on third party sites that you may visit. They do not store directly personal information, but are based on uniquely identifying your browser and internet device. If you do not allow these cookies, you will experience less targeted advertising from Verizon. BackClear Filters,All Consent Allowed
Learn moreWAN-as-a-Service vs. LAN-as-a-Service: Which is Best for You Business
WAN-as-a-Service vs. LAN-as-a-Service,Author: Gary Hilson,Local Area Networks (LANs) and Wide Area Networks (WANs) are critical business enablers as part of a (NaaS) infrastructure, but whether LAN-as-a-Service or WAN-as-a-Service is best for your organization depends on several factors. Your LAN is exclusive to your organization. Your devices, including computers and smartphones, are networked together at a specific location via TCP/IP Ethernet or Wi-Fi. LAN-as-a-Service is a networking business model that integrates LAN with ever-evolving business needs, so you can scale your capabilities up or down as required. WAN-as-a-Service is the same consumption model, but a WAN spans a large geographic area and multiple business locations by using leased circuits from telecommunications providers. NaaS is a with offerings that can deliver network functionality as a service, including self-service capability, on-demand usage and the ability to scale up and down. NaaS offerings may also include elements such as network switches, routers, gateways and firewalls. Gartner predicts that by the end of 2024, on-premises NaaS will be adopted by 15% of all enterprises. Whether you're a smaller business or a multinational company, it's a great idea to understand where LAN-as-a-Service and WAN-as-a-Service fit into your NaaS IT infrastructure. Understanding LAN vs. WAN,Any business today needs to be digitally interconnected to carry out operations and be competitive, especially if they have remote employees or multiple locations. Because today's businesses tend to be more distributed or remote, the rather than just a LAN is increasingly common. A business that operates out of a home or a small, leased space may have a couple of computers, a printer and a router/modem combination linked together with physical or Wi-Fi connectivity; this is a LAN. Meanwhile, a as bandwidth demands rise to handle more types of files more quickly and securely across greater distances by tying local systems together. A WAN exceeds a LAN's capabilities in that it can connect all users to company-wide databases and tools that facilitate conferencing, marketing automation, customer relationship management (CRM) and other business operations—all of which are beyond the LAN's scope. Both LANs and WANs are keeping pace with other applications and services, as they can now be delivered as-a-Service as part of a larger NaaS IT infrastructure. Why you want it as-a-service,Because of the geographic limitations, LAN-as-a-Service is relatively simpler than a WAN when it comes to connectivity requirements. However, managing a LAN requires significant time and resources from your IT staff, and the larger the organization and the more complex your on-site IT infrastructure, the more complex and expensive the tools become to . Adopting LAN-as-a-Service can help you maintain operations and avoid service disruptions that can impede the business and impact the customer experience. WAN-as-a-Service is more dynamic. It employs a wider variety of connectivity and both wired and wireless technologies to bridge their various parts—including virtual private networks (VPNs) for added security since data becomes more vulnerable as it moves across the internet. The prospect of building a WAN from scratch can be overwhelming, especially if the business has limited budgets, people and technology resources. For example, a WAN has more customer-premises equipment (CPE) to connect with a telecommunication carrier and terminate a WAN circuit, such as an ISDN, E-carrier/T-carrier, DSL or metro Ethernet. This also includes hardware such as routers, firewalls, network switches, PBXs, VoIP gateways, sometimes CSU/DSU and modems. The value of WAN-as-a-Service is that businesses don't have to worry about maintaining their own infrastructure, which can become more complex as the infrastructure grows and technologies are layered on. An organization doesn't have to be large to enjoy the benefits of WAN-as-a-Service. Because of the nature of its operations and distributed employees, LAN-as-a-Service may not be sufficient to keep up, as smartphones, desktops in home offices, laptops and tablets will come and go and need to be set up or reconfigured. Even to deliver their services. Deciding which one makes sense for your business should be based on how and where you want your staff to connect and collaborate. For a performance perspective, WAN-as-a-Service allows for dedicated internet connectivity and even advanced traffic management features to better prioritize or route traffic by , while your LAN will likely be limited by a public broadband connection. Meet your NaaS needs,Whether it's LAN-as-a-Service or WAN-as-a-Service, your business can potentially offload the heavy lifting that comes with setup and management. Letting someone else manage your LAN helps you simplify operations, ensure network reliability and keep costs under control. WAN-as-a-Service adds even more dynamic service level management based on your needs, allowing you to monitor performance through a single portal and tweak your WAN based on latency, volume and congestion metrics — without worrying about owning and operating the infrastructure. Learn more about how Verizon can help you while keeping the pressure off IT staff. Gartner, , Andrew Lerner, October, 2021. If you'd like to receive new articles, solutions briefs, whitepapers and more—just let us know. . * Indicates a required field. We will follow up from your contact request using the information provided. Choose your country to view contact details. Manage your account or get tools and information. These cookies are necessary for the website to function and cannot be switched off in our systems. They are usually only set in response to actions made by you which amount to a request for services, such as setting your privacy preferences, logging in or filling in forms. You can set your browser to block or alert you about these cookies, but some parts of the site will not then work. These cookies do not store any personally identifiable information. These cookies allow us to count visits and traffic sources so we can measure and improve the performance of our site. They help us to know which pages are the most and least popular and see how visitors move around the site. We use both third party and first party cookies for this purpose. All information these cookies collect is aggregated and therefore anonymous. If you do not allow these cookies we will not know when you have visited our site, and will not be able to monitor its performance. These cookies enable the website to provide enhanced functionality and personalisation. They may be set by us or by third party providers whose services we have added to our pages. If you do not allow these cookies then some or all of these services may not function properly. These cookies may be set through our site by Verizon and third parties. They are used to present Verizon advertising on third party sites that you may visit. They do not store directly personal information, but are based on uniquely identifying your browser and internet device. If you do not allow these cookies, you will experience less targeted advertising from Verizon. BackClear Filters,All Consent Allowed
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