Proof That Employees Don't Care About Security
Does anyone think that this experiment would turn out any differently?
An experiment carried out within London's square mile has revealed that employees in some of the City's best known financial services companies don't care about basic security policy. CDs were handed out to commuters as they entered the City by employees of IT skills specialist The Training Camp and recipients were told the disks contained a special Valentine's Day promotion.However, the CDs contained nothing more than code which informed The Training Camp how many of the recipients had tried to open the CD. Among those who were duped were employees of a major retail bank and two global insurers. The CD packaging even contained a clear warning about installing third-party software and acting in breach of company acceptable-use policies -- but that didn't deter many individuals who showed little regard for the security of their PC and their company.
This was a benign stunt, but it could have been much more serious. A CD-ROM carried into the office and run on a computer bypasses the company's network security systems. You could easily imagine a criminal ring using this technique to deliver a malicious program into a corporate network -- and it would work.
Source - Schneier on Security