VPN services for personal and professional use
There is a VPN connection, transmitted the data between two or more computers on the Internet through a secured tunnel. The computers can access each other – so as if they were on a local area network.
Earlier, the best Virtual Private Networks primarily of companies were used to sure to link, for example, departments or to provide field staff with access to the corporate network. VPN today represents an important service in the consumer sector, which is used primarily to protect themselves in public Wi-FI networks against attacks.
And because the VPN connection sure not will lose in times of rising cyber threats in importance, we have combined private network the main facts to the virtual.
Virtual Private Networks: benefits for privacy & IT security
Unsecured WLANs pose a security risk for users. Why? Because the attacker who sit on the same network, “sniff traffic with the help of various techniques” or “Hijack accounts”, which do not pass through the https protocol. Some WiFi providers get ads in the traffic, which in turn can lead to unwanted tracking with full intention.
Not to mention the Governments that have gone over in many parts of the world to do this systematically to monitor user, to block the visit of certain sites or to uncover attempts of “high treason”. Practices so that threaten freedom of expression and thus human rights.
After setting up a VPN connection, all traffic through a secure server – conducted somewhere in the world -. This protects your computer against local tracking attempts as well as against hacking attacks and at the same time ensures that their actual IP address for the Web sites and services you visit is not visible.
VPN connections: Not all are the same
There are various VPN technologies with different encryption types. The point-to-Point Tunneling Protocol (PPTP), for example, is very fast, for it but not so sure such as OpenVPN, IPSec and other protocols that rely on SSL/TLS. In TLS-based Virtual Private Networks a crucial role is also the type of the encryption algorithm and key length.
OpenVPN is supported although many combinations of digits, key-exchange protocols and hashing algorithms – the most widely used implementation VPN providers, when it comes to OpenVPN, however the AES encryption with RSA key exchange and SHA signatures. We can recommend the following settings:
- AES-256 encryption;
- RSA key with a length of at least 2048 bits;
- SHA-2 cryptographic hash function (instead of SHA-1).
The fact is this good to know: ever strong encryption, the stronger the impact on connection speed. Which VPN technology or encryption strength – is the best that varies from case to case, and essentially depends on which the connection data to be exchanged.
Security needs of companies is of course significantly different from those of private consumers. The latter must resist rule “only” advertising driven sniffer attacks – unless they fear a mass surveillance by intelligence agencies. Then, as strong encryption would be recommended.