Regarding piracy at work, what I have seen happen is that firms have a few licenses for software which will be installed on far more machines then they should be, this is especially the case with operating systems (i.e. Windows). Some comapnies now undertake software audits to ensure that they are in compliance now and that this is not the case, but this is often the result of receiving a fine, or getting a negative audit.

Also, people who work for very large corps may use pirate software due to the huge amount of work they need to do to get a license key for certain specialist tools (due to internal bureaucracy), so someone will get a key and then do what they can to make sure it keeps on working.