What is a VPN?
A VPN, short for "Virtual Private Network", is a technology that makes it possible to establish a secure and encrypted connection via the Internet. The aim is to protect confidential data from unauthorised access - especially if you are not working in a protected company network but from your home office, for example.
How does a VPN work?
When using a VPN, all data traffic between your own device and the target network is routed through a so-called "tunnel", which is secured using modern encryption methods. The information is encrypted on the device, sent via the Internet and only decrypted again on the VPN server. In this way, it is not possible for third parties - such as hackers, the Internet provider or people in the same WLAN - to read or manipulate the transmitted content. At the same time, your own IP address is masked, which also helps to protect your identity and makes targeted attacks more difficult.
Why does a VPN increase security?
A VPN is a crucial security measure, especially when working from home. If you connect to the data centre or the internal company network from home via VPN, you are technically working as if you were on site at the company. Access to sensitive systems and internal applications is therefore not only possible, but also secure. Unauthorised persons have no access to these systems without an authorised VPN connection. In addition, centralised security guidelines and access controls can be enforced via the VPN, significantly increasing the protection of the entire network.
Further application: Access to domestic content from abroad
A VPN can be useful not only in a professional environment, but also in the private sphere. For example, if you are abroad - on holiday, for example - you can use a VPN to access content that is normally only available at home. For example, the TV programme, a media library or a streaming service with regional blocking can be used as usual by connecting to a server in the home country via VPN. The service then recognises a domestic IP address and access is granted.
Conclusion
A VPN ensures that work can also be carried out securely and reliably outside the office. It protects data traffic from prying eyes, prevents manipulation and creates trust - both for the user and for the company. Especially when connecting from the home office to a data centre, security is considerably strengthened by a VPN. At the same time, it also allows more freedom in the private sphere, for example when accessing domestic media content from abroad.
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