5. A computer-assisted method for validating a caller for a called person, the method comprising: configuring a first pass phrase from a first input from an intended business client to a business associate; storing first phrase information in the at least one data storage device, wherein the first phrase information is indicative of the first pass phrase and wherein the first pass phrase comprises a first valid challenge request and a first corresponding response; initiating a communication connection from the business associate to a called business client; in response to a received challenge request from the called business client to the business associate over the communication connection, retrieving the first phrase information from the at least one data storage device based on the received challenge request; determining, from the retrieved phrase information, whether received challenge request from the called business client comprises the first valid challenge request, wherein the first valid challenge request was previously configured by the intended business client; in response to the determining, generating an indicator indicative whether the called business client is the intended business client; and when the indicator is indicative that the called business client is the intended business client, sending a responding answer from the business associate to the intended business client, wherein a degree of trust of the business associate is established with the intended business client based on the first corresponding response to the first valid challenge request.
5. A computer-assisted method for validating a caller for a called person, the method comprising: configuring a first pass phrase from a first input from an intended business client to a business associate; storing first phrase information in the at least one data storage device, wherein the first phrase information is indicative of the first pass phrase and wherein the first pass phrase comprises a first valid challenge request and a first corresponding response; initiating a communication connection from the business associate to a called business client; in response to a received challenge request from the called business client to the business associate over the communication connection, retrieving the first phrase information from the at least one data storage device based on the received challenge request; determining, from the retrieved phrase information, whether received challenge request from the called business client comprises the first valid challenge request, wherein the first valid challenge request was previously configured by the intended business client; in response to the determining, generating an indicator indicative whether the called business client is the intended business client; and when the indicator is indicative that the called business client is the intended business client, sending a responding answer from the business associate to the intended business client, wherein a degree of trust of the business associate is established with the intended business client based on the first corresponding response to the first valid challenge request. 16. The method of claim 5 , wherein the configuring comprises: verifying the intended business client before accepting the first input from the intended business client.