Economist featured article titled Corporate fraud: Mind your language — How linguistic software helps companies catch crooks. To spot staff with the incentive to steal, anti-fraud software scans e-mails for evidence of money troubles. E-mails between an employee and an outsider that contain the words beer, Facebook or evening can suggest a personal relationship. For a company with 10,000 employees, this costs about $45,000.”]
Source: https://taosecurity.blogspot.com/2012/03/keep-cirt-and-internal-investigations.html