The main purpose of the digital certificate is to ensure that the application belongs to the entity to which the certificate was issued. The Microsoft digital certificate does not guarantee that a signed application is safe to run, but rather informs the user that the software was digitally signed by Microsoft and verified by a trusted Certificate Authority (CA).
Microsoft, founded in 1975 by Bill Gates and Paul Allen, is a veteran software company, best known for its Microsoft Windows operating system and the Microsoft Office suite of productivity software. Starting in 1980 Microsoft formed a partnership with IBM allowing Microsoft to sell its software package with the computers IBM manufactured. Microsoft is widely used by professionals worldwide and largely dominates the corporate market. Additionally, the company has ventured into hardware with consumer products such as the Zune and Xbox. Microsoft has made a presence on the Web with the MSN internet portal and Bing Search Engine. www.microsoft.com
About (from Microsoft at www.microsoft.com)
“At Microsoft, we're motivated and inspired every day by how our customers use our software to find creative solutions to business problems, develop breakthrough ideas, and stay connected to what's most important to them.
Windows & Windows Live Division: Includes the Windows product family and is responsible for our relationships with personal computer manufacturers as well as online software and services through Windows Live.
Server and Tools: Software server products, services and solutions, including: Windows Server operating system, Microsoft SQL Server, Visual Studio, Silverlight, System Center products, Forefront security products, Biz Talk Server, and Microsoft Consulting Services.
Online Services Division: Consists of an online advertising platform with offerings for publishers and advertisers, and online information offerings such as Bing and the MSN portals and channels.
Entertainment and Devices Division: Consists of the Xbox video game system, including consoles and accessories, Xbox Live operations, Zune digital music and entertainment device; Mediaroom, mobile and embedded device platforms, Surface computing platform, and Windows Automotive.
We are committed long term to the mission of helping our customers realize their full potential. Just as we constantly update and improve our products, we want to continually evolve our company to be in the best position to accelerate new technologies as they emerge and to better serve our customers.”