IT security professionals advise against using the same password for two different applications. That creates a problem, however. Given the growing number of transactions and other activities conducted online, people who follow that advice will have more passwords than they could ever hope to memorize. Many people resort to writing their passwords down, but security experts say this creates an unacceptable risk. With Password Safe, a free new Windows utility, users can keep their passwords securely encrypted on their computers. One combination will reveal them all. The software has a simple interface and uses highly regarded Twofish encryption. Keep your passwords organized and secure at this month’s A Site to See.