[1] The primary benefits a corporation receives from performing a software licensing audit are greater control and various forms of cost savings.
Further difficulties may arise if the library owner removes the obsolete versions (that were under different license) from the public sources.
In such case the proper audit must take into consideration if the library has been linked or the derivative work (custom branch) has been created.
[3] Software asset management is a comprehensive strategy that has to be addressed from top to bottom in an organization to be effective, to minimize risk.
From time to time internal or external (by major accounting firms) audits may take a forensic approach to establish what is installed on the computers in an organization with the purpose of ensuring that it is all legal and authorized and to ensure that its process of processing transactions or events is correct.
They publicize campaigns against illegal use of software and reward any employees who notify them of any breaches which result in successful prosecution and/or recovery of license fees.