Cisco lists these in its Security Center. In various VPN firewalls and routers from Cisco, security vulnerabilities classified as critical sometimes gape.
The network supplier has released important security patches. Security updates: Attackers could take over Cisco VPN firewalls Universities also use VPN services so students can download books or lectures from outside. They can work as if they were sitting at the computer in the office – only the colleagues at the next table are missing. Employees who are on the road or working from home can access the company network, check e-mails and download files. Good VPN access is especially important for companies. The IP address with which a device identifies itself on the Internet is replaced by the address of the VPN server the user is now more difficult to identify. The desired website is then called up via the server. The VPN software establishes an encrypted connection to the VPN provider’s server. A VPN is a network in the network – without physical parts. A VPN does not connect different devices via routers, but via the VPN software and the Internet itself. This exists thanks to routers and cables that connect billions of devices with each other. The “P” in VPN stands for “private”: Not everyone can use this special network, it is not public.Ī VPN is not only private, it is also virtual – in contrast to the Internet, for example. What is a VPN?Ī network is a system of several computers or other devices such as smartphones that exchange data with each other. However, good providers are not necessarily recognizable by their price. Dozens of companies offer VPN services, free of charge or for a few euros a month. The others to ensure exactly this identity. Some use it to disguise their identity on the Internet. At first glance, a Virtual Private Network (VPN) is a contradictory affair. Above all, the location of the provider is important, but also criteria such as payment options. VPN services are not only interesting for companies, but also for private users.
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