Security book chapter: The Truth About Identity Theft - 0 views
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Privacy Social Engineering Password Crack Identity Theft
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Karl Wabst on 21 Apr 09The following is an excerpt from the book The Truth About Identity Theft. In this section of Chapter 11: Social Engineering (.pdf), author Jim Stickley explains how easy it really is to hack a password. People often ask me how hard it is to hack a password. In reality, it is rare that I ever need to hack someone's password. Though there are numerous ways to gain passwords on a network and hundreds, if not thousands, of tools available to crack encrypted passwords, in the end I have found that it is far easier to simply ask for them. A perfect example of this type of attack was a medium-sized bank that I was testing recently. The bank's concern was related to the new virtual private network (VPN) capabilities it had rolled out to a number of its staff. The VPN allowed staff to connect directly to their secured network while at home or on the road. There is no doubt that a VPN can increase productivity, but there are some pretty major risks that can come with that convenience. The bank explained that the VPN was tied into its Active Directory server. For people who are not technical, basically this just means that when employees log in via the VPN, they use the same credentials they use to log on to their computer at the office. So I went back to my office, sat down, and picked up the phone. The first call I made was to find out the name of an employee in the IT department. I called the company's main line to the bank, pressed 0, and asked to speak with someone in the IT department. I was asked what I was calling about, so I told the employee I was receiving emails from that bank that seemed malicious. I could have used a number of excuses, but I have found that if you tie in an unhappy customer with a potential security issue, your call gets further up the food chain. In this case, I reached a man who I will call Bill Smith. I made up a story about the email, and after a few minutes, he was able to explain to me that I had called the wrong bank and it was actuall