book

Penetration Testing and Network Defense

by Andrew Whitaker, Daniel P. Newman

October 2005

Intermediate to advanced

624 pages

15h 47m

English

Cisco Press

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Who Should Read this BookEthical ConsiderationsHow This Book Is Organized
Defining Penetration TestingAssessing the Need for Penetration TestingAttack StagesChoosing a Penetration Testing VendorPreparing for the TestSummary
Ethics of Penetration TestingLawsLoggingTo Fix or Not to FixSummary
Step-by-Step PlanOpen-Source Security Testing Methodology ManualDocumentationSummary
Human PsychologyWhat It Takes to Be a Social EngineerFirst Impressions and the Social EngineerTech Support ImpersonationThird-Party ImpersonationE-Mail ImpersonationEnd User ImpersonationCustomer ImpersonationReverse Social EngineeringProtecting Against Social EngineeringCase StudySummary
Passive Host ReconnaissanceActive Host ReconnaissancePort ScanningNMapDetecting a ScanCase StudySummary
Defining Session HijackingToolsBeware of ACK StormsKevin Mitnick’s Session Hijack AttackDetecting Session HijackingProtecting Against Session HijackingCase StudySummaryResources
Understanding Web LanguagesWebsite ArchitectureE-Commerce ArchitectureWeb Page SpoofingCookie GuessingBrute Force AttacksToolsDetecting Web AttacksProtecting Against Web AttacksCase StudySummary
Defining DatabasesTesting Database VulnerabilitiesSecuring Your SQL ServerDetecting Database AttacksProtecting Against Database AttacksCase StudySummaryReferences and Further Reading
Password HashingPassword-Cracking ToolsDetecting Password CrackingProtecting Against Password CrackingCase StudySummary
Bypassing FirewallsEvading Intruder Detection SystemsTesting Routers for VulnerabilitiesTesting Switches for VulnerabilitiesSecuring the NetworkCase StudySummary
History of Wireless NetworksAntennas and Access PointsWireless Security TechnologiesWar DrivingToolsDetecting Wireless AttacksCase StudySummary
Trojans, Viruses, and Backdoor ApplicationsCommon Viruses and WormsTrojans and BackdoorsDetecting Trojans and Backdoor ApplicationsPreventionCase StudySummary
General ScannersUNIX Permissions and Root AccessMicrosoft Security Models and ExploitsNovell Server Permissions and VulnerabilitiesDetecting Server AttacksPreventing Server AttacksCase StudySummary
Memory ArchitectureBuffer Overflow ExamplesPreventing Buffer OverflowsCase StudySummary
Types of DoS AttacksTools for Executing DoS AttacksDetecting DoS AttacksPreventing DoS AttacksCase StudySummary
Case Study: LCN Gets TestedDAWN Security
What Is a Security Policy?Risk AssessmentBasic Policy RequirementsSecurity Policy Implementation and ReviewPreparing a Security Policy in Ten Basic StepsReference Links
Performing Host Reconnaissance (Chapter 5)Understanding and Attempting Session Hijacking (Chapter 6)Performing Web-Server Attacks (Chapter 7)Performing Database Attacks (Chapter 8)Cracking Passwords (Chapter 9)Attacking the Network (Chapter 10)Scanning and Penetrating Wireless Networks (Chapter 11)Using Trojans and Backdoor Applications (Chapter 12)Penetrating UNIX, Microsoft, and Novell Servers (Chapter 13)Understanding and Attempting Buffer Overflows (Chapter 14)Denial-of-Service Attacks (Chapter 15)

Content preview from Penetration Testing and Network Defense

Chapter 9. Password Cracking

Password: i dont have one

password is incorrect

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 ...