Have you ever received promotional 
calls by companies you have never heard of? Or are you sure that you have never agree to give your phone number to these companies? Customer database is the answers to these questions. Companies acquire your information by buying the database.
personal information values especially in market-driven economy. Who buy what kinds of products, formulates the marketing and promotion strategies of the companies. A list of personal date do value.
Dates could be sold everywhere, by everyone, even from the insiders. Cisco conducted a global study on data security and leakage in businesses in 2008. The study showed ”insider threat” is the major threat to customer data. It means date loss or leakages resulting from employee behaviour. It could be due to carelessness, such as forget to log off, share passwords among colleagues, or even fail to return company devices when quitting the job. The internal factor poses a greater threat to the data security far more than external factors such as hackers do.
Some employees even sell the company’s data as a revenge on the company. The finding shows that up to 11 per cent confessed that they or their co-workers were accessible to unauthorized data and sold it for profits.
It would be a great challenge for companies to secure data loss as there may be different leakages points. In the digital age where information could be accessed easily, confidential information could be transferred as easy as with a mini size USB stick. Yet, some urge the companies to be responsible for their customers’ information.
