Secure communications in an Exchange enterprise messaging environment is critical. In Exchange 2007, Microsoft introduced the use of Unified Communications (UCC) or Subject Alternative Name (SAN) SSL certificates. These Secure Sockets Layer (SSL) certificates allow the secure use of multiple domain names with one certificate, with some certificate providers allowing the use of up to... Continue Reading →
Today, as of 11 a.m. (EST) the popular web service Twitter was down. A recent status update from Twitter attributed the cause of the outage to the site experiencing a denial-of-service attack.