Virtual Private Network  ( VPNs)

When we use the  internet  or the  risks to the security of our data  arise. The solve the security problem a virtual private network  used for travelling and  remote users to send or receive their information with less concern. This  means that  someone out there must create a VPN.

By definition a VPN is a virtual private  network. Let  take the pieces of a VPN and describe them one  at a time.

Virtual means almost  not quite or not real. Real circuits are physical  we can see them  touch  them  and kick the tires  virtual circuits look they  are there and act like  they are there. They  do everything as though they are there but they  really  are not  there.

Private  means that it its  dedicated to a specific  organization or individual  and not  available to the public.

Network  a network is the grouping  of circuits that connect the  various  locations between  to the public.

For  security  point so view  organization  can use  types of strategies:

a.Private networks

b.Hybrid networks

c.Virtual private networks