Last week I’ve read small news on c’t magazine saying that the default password of EasyBox router used for Vodafone, Telecom, Arcor in Germany … was hacked by Sebastian Petters. That means if someone is using default settings of EasyBox, you can get his WLAN password easily and then access his network. This default password was generated by a algorithm and this algorithm was patented. Therefore like other patents, the complete description of algorithm was …

Authentication is an important process of a internet service for authenticating users. For example, when you register an account for Yahoo mail, you will be asked for an ID and password so that only you can access to your email account. That means Yahoo will save your ID and your password in their servers so that they can compare with your input later. Your ID can be saved in clear text but the password will …

Some days ago I’ve written a documentation to instruct how to use SSH with Bluehost. In that article, I told about 2 methods to login into SSH Server and promised that I would write a next article to compare the security between using password and using public key in aspect of security. However I found a good book about SSH. It discussed very clearly about this problem and SSH Protocol. So I decide just to …