In the present digital world, safeguarding entire intellectual property, financial information and company’s reputation in market is a crucial part of business strategy. Yet with increase in number of threats and security crime, it’s a formidable challenge. U.S. respondents reported that there is a 15.8% fraud, 37.5% financial losses, 11.3% loss of share hold value during last year and that number keep raising. So with such high stakes, information security deserves full attention at the highest levels of the company. In this paper we are going to discuss fundamental challenges that organizations facing to protect data. Malware in Target’s security and payments system designed to steal credit card information. Discussing what measurements Target took after occurring of that breach. And main reasons of attack.