The President's First Insult. President of the United States of America Barack Obama had not been president for more than ten minutes when he slapped American Jews in the face (and by extension Israel and all Jews). Though he did it so subtly -- in plain sight and in front of the whole world -- no one noticed.
The Public Key Infrastructure Approach to Security. 1  Public Key Infrastructure (PKI) is a set of policies and procedures to establish a secure information exchange. This chapter describes the elements which make up PKI, and explains why it has become an industry standard approach to security implementation. Introduction.
First, let's be clear about what a PKI is not. A PKI is not an authentication method; rather it is an infrastructure that uses digital certificates as an authentication mechanism and is built to better manage certificates and their associated keys. A digital certificate is itself a way to reliably identify the user or computer claiming to be the owner of a specific public key.