So, you've partitioned your drives, installed Linux, and created users and groups. Your next step is to address the most important security issue of all: password security.
Password security is so critical that without it, your system will never be safe. Indeed, you could install a dozen firewalls and still, if your passwords were vulnerable, your Linux system would be an open door.
Hence, password security demands a two-pronged approach. On the one hand, you apply advanced tools to strengthen passwords. On the other, you educate your users and hold them to essential password policies. This chapter covers both techniques.
The term password attack is generic. It describes various activities, including ...