Internet security is a branch of computer security, which is specifically connected to the Internet. Mostly covering the security of the browser, but network security is the most common, which also applies to other applications or operating systems. Its function is to establish methods by which the Internet attack can be thwarted and the device can be protected. The Internet is a non-secure route of information exchange, which makes it vulnerable to many frauds, online viruses, trojans etc.
Network security back
TCP / IP can be secured by cryptographic methods and security protocols. These protocols include Secure Sockets Layer / SSL, which is later replaced by Transport Layer Security (TLS) TLS, while PGP or Pretty Good Privacy for Email (Pretty Good Privacy / PGP) and IPsec for the network security layer.