According to a survey by an information security company, about 70% of malware that infects personal computers and steals credit card information and passwords for online shopping sites is thought to be caused by unauthorized software installation.
Malware, which infects personal computers at work and home and steals credit card information and passwords for mail orders and SNS, has been suffering from damage over the past few years.
Information security-Company analyzed information on more than 920 cases of infection in Japan about information-stealing malware called "Red Line", which has been rampant since last year. It turns out that the cause seems to be that he installed the malicious software himself.
Specifically, 41% of the fraudulent software was to win by cheating on online games, and 31% was fraudulent software that allowed paid software to be used for free.
On the other hand, 2% of infections were caused by clicking the pop-up that is automatically displayed on the computer, and it became clear that most of them were infected with malware by themselves using malicious software.
Information security that conducted the analysis-Yuta Miyauchi, an analyst at the company Almoris, said, "The danger of malicious software has been revealed again. It is important to install the software from the official website because it is free." I am.