Posted: 7/29/2010 4:55:35 PM
Should you run downloaded software that has no valid digital signature?
Probably not. A valid digital signature identifies the publisher of the software and verifies that the software has not been tampered with since it was signed. Without a valid digital signature, you have no way to verify that the software is what it claims to be.
If you have software on your computer that you downloaded from the Internet, don't open or run it without asking these questions: