Combined remote access and security system

A combined remote access and security system for servicing a secure mainframe central processing unit having a console monitor, which system comprises:

• a secure dispatch control central processing unit for receiving problem reports concerning said mainframe central processing unit;
• communications means for communicating between said mainframe from said console monitor and said dispatch control central processing unit;
• a field engineer central processing unit independent from said secure mainframe central processing unit and said secure dispatch control central processing unit, wherein said secure dispatch control central processing unit is remote from said mainframe central processing unit and wherein said field engineer central processing unit is remote from both said mainframe central processing unit and said dispatch control central processing unit;
• communication means for communicating between said field engineer central processing unit and said dispatch control central processing unit;
• a data encryption key randomly generated and transmitted from said dispatch control central processing unit on separate paths and in separate transmissions to both said field engineer central processing unit and said mainframe central processing unit;
• and
• communication means between said field engineer central processing unit and said mainframe central processing unit wherein all data transmitted from said field engineer central processing unit is encrypted and wherein said encrypted data received is decrypted at said mainframe central processing unit.