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VPNs have benefits, but also drawbacks. Implementation requires knowledge of public network security and planning. VPN speeds are slower than traditional connections, and technologies from different manufacturers may not work well together. Users can also pose a security threat if they use personal computers for other applications.
When it comes to virtual private networks (VPNs), a lot of time is spent extolling its benefits. Therefore, many individuals new to them may not feel informed about the inherent disadvantages of the technology. There are some pitfalls common to VPNs, but many people find that the significant benefits of these networks are worth the effort to address their potential difficulties.
One disadvantage of a VPN is the fact that its implementation requires a high level of knowledge and understanding of factors such as public network security. VPN security requires passwords and data encryption. Network addresses can also be encrypted for added security. To avoid security and deployment issues, planning is required and proper precautions must be taken.
Another significant disadvantage is that its availability and performance are difficult to control. Typically, VPN speeds are much slower than those experienced with a traditional connection. Sometimes, some networks seem to be a bit risky in terms of connectivity as well. For a variety of reasons, users may find it difficult to stay on the VPN from time to time. While this can be annoying, the security it offers often outweighs the pain of occasional connection issues.
While it’s true that VPN works with equipment from many different manufacturers, technologies from different manufacturers may work poorly together. Over time, this may improve. For now, however, this can lead to frustration when implementing a VPN.
One of the VPN’s weakest links could, in some cases, be its users. Security threats can arise when a remote teleworker or employee connects to their corporate office using a VPN from a laptop or home computer. This is due to the fact that employees or teleworkers can use their personal computers for a variety of other applications in addition to connecting to the office. As such, the corporate network may be vulnerable to attack due to security weaknesses on the employee’s personal computer. For this reason, some experts recommend providing telecommuters and employees with company-owned home computers used only for approved business purposes.
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