To err is human, and developers writing code err as often as any other humans. The industry average for programmers, in fact, is as many as 70 errors per 1,000 lines of code. Testing looks for errors and tries to catch as many as possible before a product goes to market.
Before releasing their applications, companies will test functionality, as errors in functionality could result in customer dissatisfaction and be embarrassing for the company. This could have a negative effect on sales and the organization's market position.
However, testing needs to be done on security issues as well. While releasing a functionally poor application could be embarrassing and bad for sales, releasing a vulnerable application can have far greater consequences. In today's regulatory and legislative environment, companies, as well as individuals, are exposed to lawsuits over security breaches, resulting not only in significant fines but the end of careers.
It seems that almost every data breach becomes fodder for legal action. In one of the biggest cases in recent years, international hotel chain Marriott faces numerous class-action lawsuits (some are still pending) over a data breach in which information from some 500 million guest records ended up in the hands of hackers. Investigators determined that the 2018 leak was likely due to a remote access Trojan ending up ..
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