The term VPN (Eng. “Virtual Private Network”) refers to a group of technologies that provide a network connection, or the so-called logical network, functioning on top of some other network, usually the Internet.
Although data is transferred to a VPN over networks with a low level of trust, thanks to the use of cryptography, the level of trust in a VPN can be arbitrarily high. Among the cryptography tools used are encryption, means to protect against changes in transmitted messages, public key infrastructure and authentication. Depending on the final destination, the VPN implements three types of connections: network-to-network, node-to-network and node-to-node.
VPN implementation and structure Continue reading
Of all the threats to the security of user information, viruses stand apart. These small malicious programs, if not handled carefully, can steal or destroy any data. But it turns out to be the easiest to defend against them. The Internet is teeming with dozens of different antivirus programs that offer us a quick and easy solution to the problem. But how good are these programs? How to make a specific choice?
Laboratory Research – Clean Water Cheating
Very often you can find on the Internet studies of various laboratories or some scientists there, which talk Continue reading
Today I want to tell you about our personal experience in promoting medical services, and specifically with one of the drug treatment clinics in St. Petersburg. To begin with, about six months ago, the owner of the clinic turned to us with a request to help them sell their services.
So. Based on the axiom that the goal of any site is to sell anything, a product, service or information, it can be assumed that the main product of the clinic is medical services. We started the calculation of the strategy for working with this client with several most important steps. Continue reading