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Penetration Testing and Network Defense
book

Penetration Testing and Network Defense

by Andrew Whitaker, Daniel P. Newman
October 2005
Intermediate to advanced
624 pages
15h 47m
English
Cisco Press
Content preview from Penetration Testing and Network Defense

Chapter 9. Password Cracking

Login: yes

Password: i dont have one

password is incorrect

Login: yes

Password: incorrect

Before the advent of computers, companies relied on locked doors and filing cabinets to secure their data. Physical security provided enough peace of mind for businesses to protect their corporate assets. Now, with network access to company data providing accessibility from virtually anywhere, physical security is no longer sufficient.

Thus, companies have turned to access control to protect their data. Strong access control should entail at least two of the following:

Something an identity knows—A pin number or password

Something an identity has—A SecureID card

Something an identity is—Biometrics

Something an identity ...

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Publisher Resources

ISBN: 1587052083Purchase book