It's easy to remember one username and password. Keeping five or 10 straight is much harder. Password overload has long afflicted techies, but as we all spend more time doing everything from shopping to banking to playing games on the Web, it's become a more widespread problem.
A number of companies are trying to combat the problem. Approaches range from password managers that secure your login details with one master password to methods that eliminate the need for multiple passwords in the first place.
A 2007 study by Microsoft Research explored the strength, frequency, and usage of passwords belonging to 500,000 computer users. The study found that each person had an average of 6.5 passwords that they used for 25 different online accounts—meaning each password was being recycled about four times.
To read the full, original article click on this link: More Passwords, More Problems - Technology Review
