Social Engineering

Social Engineering is the method of the person or group who pump out of secret information with using humans psychological carelessness. Purpose is invasion to computer using password without no damage for substance of computer. Now, there are four types social engineering; pretexting, phishing, Trojan Horse/Gimmes and Quid pro Quo. In Japan, it refer to not only computer hacking, but also fraud of credit card and acquisition. Especially, "ore-ore" fraud is the most famous. I heard that my aunt had received like this phone. She felt so terrified. And I have heard that all personal information can buy per unit of alma mater. It is so dangerous!! It is so terrified!! We don't know when or where is happen and social engineering, however we have to care about it highly. So we have to check virus about my computer. And we protect our computer and ourselves.