CompTIA Security+ All-in-One Exam Guide (Exam SY0-501)

658 Pages·2017·36.43 MB·English

by  Wm. Arthur Conklin

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ALL IN ONE
CompTIA
Security+
®
E X A M G U I D E
Fifth Edition (Exam SY0-501)
Dr. Wm. Arthur Conklin
Dr. Gregory White
Chuck Cothren
Roger L. Davis
Dwayne Williams
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Cataloging-in-Publication Data is on file with the Library of Congress
Names: Conklin, Wm. Arthur (William Arthur), author.
Title: CompTIA security+ all-in-one exam guide, (Exam SY0-501) / Dr. Wm.
Arthur Conklin, Dr. Gregory White, Chuck Cothren, Roger L. Davis, Dwayne
Williams.
Description: Fifth edition. | New York : McGraw-Hill Education, [2018]
Identifiers: LCCN 2017052997| ISBN 9781260019322 (set : alk. paper) | ISBN
9781260019315 (book : alk. paper) | ISBN 9781260019308 (CD) | ISBN
1260019322 (set : alk. paper) | ISBN 1260019314 (book : alk. paper) | ISBN
1260019306 (CD)
Subjects: LCSH: Computer security—Examinations—Study guides. | Computer
networks—Security measures—Examinations—Study guides. | Computer
technicians—Certification—Study guides. | Electronic data processing
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CompTIA Security+® All-in-One Exam Guide, Fifth Edition (Exam SY0-501)
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This book is dedicated to the many information security professionals who
quietly work to ensure the safety of our nation’s critical infrastructures.
We want to recognize the thousands of dedicated individuals who strive to
protect our national assets but who seldom receive praise and often are only
noticed when an incident occurs. To you, we say thank you for a job well done!
ABOUT THE AUTHORS
Dr. Wm. Arthur Conklin, CompTIA Security+, CISSP, CSSLP, GISCP, GCFA, GRID,
CRISC, CASP, is an Associate Professor and Director of the Center for Information
Security Research and Education in the College of Technology at the University of
Houston. He holds two terminal degrees, a Ph.D. in business administration (specializ-
ing in information security), from The University of Texas at San Antonio (UTSA), and
the degree Electrical Engineer (specializing in space systems engineering) from the Naval
Postgraduate School in Monterey, CA. He is a fellow of ISSA and a senior member of
ASQ, IEEE, and ACM. His research interests include the use of systems theory to explore
information security, specifically in cyber-physical systems. He has a strong interest in
cybersecurity education, and is involved with the NSA/DHS Centers of Academic Excel-
lence in Cyber Defense (CAE CD) and the NIST National Initiative for Cybersecurity
Education (NICE) Cybersecurity Workforce Framework (NICE Framework). He has
coauthored six security books and numerous academic articles associated with informa-
tion security. He is active in the DHS-sponsored Industrial Control Systems Joint Work-
ing Group (ICSJWG) efforts associated with workforce development and cybersecurity
aspects of industrial control systems. He has an extensive background in secure coding
and has been co-chair of the DHS/DoD Software Assurance Forum Working Group for
workforce education, training, and development.
Dr. Gregory White has been involved in computer and network security since 1986.
He spent 19 years on active duty with the United States Air Force and 11 years in the Air
Force Reserves in a variety of computer and security positions. He obtained his Ph.D. in
computer science from Texas A&M University in 1995. His dissertation topic was in the
area of computer network intrusion detection, and he continues to conduct research in
this area today. He is currently the Director for the Center for Infrastructure Assurance
and Security (CIAS) and is a professor of computer science at the University of Texas
at San Antonio (UTSA). Dr. White has written and presented numerous articles and
conference papers on security. He is also the coauthor of five textbooks on computer
and network security and has written chapters for two other security books. Dr. White
continues to be active in security research. His current research initiatives include efforts
in community incident response, intrusion detection, and secure information sharing.
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Chuck Cothren, CISSP, Security+, is a Field Engineer at Ionic Security applying over
20 years of information security experience in consulting, research, and enterprise envi-
ronments. He has assisted clients in a variety of industries including healthcare, banking,
information technology, retail, and manufacturing. He advises clients on topics such
as security architecture, penetration testing, training, consultant management, data loss
prevention, and encryption. He is coauthor of the books Voice and Data Security and
Principles of Computer Security.
Roger L. Davis, CISSP, CISM, CISA, is a Technical Account Manager for Microsoft
supporting enterprise-level companies. He has served as president of the Utah chapter
of the Information Systems Security Association (ISSA) and various board positions for
the Utah chapter of the Information Systems Audit and Control Association (ISACA).
He is a retired Air Force lieutenant colonel with 30 years of military and information
systems/security experience. Mr. Davis served on the faculty of Brigham Young University
and the Air Force Institute of Technology. He coauthored McGraw-Hill Education’s
Principles of Computer Security and Voice and Data Security. He holds a master’s degree in
computer science from George Washington University, a bachelor’s degree in computer
science from Brigham Young University, and performed post-graduate studies in electri-
cal engineering and computer science at the University of Colorado.
Dwayne Williams, CISSP, CASP, is Associate Director, Technology and Research,
for the Center for Infrastructure Assurance and Security at the University of Texas at
San Antonio and is the Director of the National Collegiate Cyber Defense Competi-
tion. Mr. Williams has over 24 years of experience in information systems and network
security. Mr. Williams’s experience includes six years of commissioned military service
as a Communications-Computer Information Systems Officer in the United States Air
Force, specializing in network security, corporate information protection, intrusion de-
tection systems, incident response, and VPN technology. Prior to joining the CIAS,
he served as Director of Consulting for SecureLogix Corporation, where he directed
and provided security assessment and integration services to Fortune 100, government,
public utility, oil and gas, financial, and technology clients. Mr. Williams graduated in
1993 from Baylor University with a bachelor of arts in computer science. Mr. Williams
is a coauthor of Voice and Data Security, Principles of Computer Security, and CompTIA
Security + All-in-One Exam Guide.
About the Technical Editor
Chris Crayton (MCSE) is an author, technical consultant, and trainer. He has worked
as a computer technology and networking instructor, information security director,
network administrator, network engineer, and PC specialist. Chris has authored several
print and online books on PC repair, CompTIA A+, CompTIA Security+, and Microsoft
Windows. He has also served as technical editor and content contributor on numer-
ous technical titles for several leading publishing companies. He holds numerous indus-
try certifications, has been recognized with many professional teaching awards, and has
served as a state-level SkillsUSA competition judge.
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Becoming a CompTIA Certified
IT Professional Is Easy
It’s also the best way to reach greater professional opportunities and rewards.
Why Get CompTIA Certified?
Growing Demand
Labor estimates predict some technology fields will experience growth of more than 20%
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Universal Skills
CompTIA certifications are vendor neutral—which means that certified professionals
can proficiently work with an extensive variety of hardware and software found in most
organizations.
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Learn More: Certification.CompTIA.org/securityplus
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CONTENTS AT A GLANCE
Part I Threats, Attacks, and Vulnerabilities
Chapter 1 Malware and Indicators of Compromise ................................. 3
Chapter 2 Attacks. ..................................................................... 17
Chapter 3 Threat Actors ...............................................................57
Chapter 4 Vulnerability Scanning and Penetration Testing. ....................... 71
Chapter 5 Vulnerabilities and Impacts. .............................................. 83
Part II Technologies and Tools
Chapter 6 Network Components .................................................. 103
Chapter 7 Security Tools and Technologies ....................................... 145
Chapter 8 Troubleshooting Common Security Issues. ........................... 169
Chapter 9 Mobile Devices .......................................................... 183
Chapter 10 Implementing Secure Protocols ....................................... 203
Part III Architecture and Design
Chapter 11 Architecture Frameworks and Secure Network Architectures. ...... 215
Chapter 12 Secure Systems Design and Deployment ............................. 241
Chapter 13 Embedded Systems ..................................................... 261
Chapter 14 Application Development and Deployment. ......................... 275
Chapter 15 Cloud and Virtualization ................................................ 295
Chapter 16 Resiliency and Automation Strategies. ................................ 307
Chapter 17 Physical Security Controls .............................................. 321
Part IV Identity and Access Management
Chapter 18 Identity, Access, and Accounts ......................................... 343
Chapter 19 Identity and Access Services ........................................... 363
Chapter 20 Identity and Access Management Controls. .......................... 379
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CompTIA Security+ All-in-One Exam Guide
viii
Part V Risk Management
Chapter 21 Policies, Plans, and Procedures. ........................................ 403
Chapter 22 Risk Management and Business Impact Analysis. .................... 419
Chapter 23 Incident Response, Disaster Recovery,
and Continuity of Operations ....................................... 441
Chapter 24 Digital Forensics ......................................................... 461
Chapter 25 Data Security and Privacy Practices. ................................... 477
Part VI Cryptography and Public Key Infrastructure
Chapter 26 Cryptographic Concepts. ............................................... 491
Chapter 27 Cryptographic Algorithms. ............................................. 513
Chapter 28 Wireless Security......................................................... 529
Chapter 29 Public Key Infrastructure. ............................................... 543
Part VII Appendixes and Glossary
Appendix A OSI Model and Internet Protocols. ..................................... 573
Appendix B About the CD-ROM ...................................................... 583
Glossary ................................................................ 585
Index. ................................................................... 619
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CONTENTS
Preface .............................................. xxxii
Acknowledgments ...................................... xxxiii
Introduction .......................................... xxxiv
Objective Map: Exam SY0-501 ............................ xxxix
Part I Threats, Attacks, and Vulnerabilities
Chapter 1 Malware and Indicators of Compromise ...................... 3
Malware ............................................. 3
Polymorphic Malware .............................. 4
Viruses ......................................... 4
Crypto-malware .................................. 4
Ransomware ..................................... 5
Worm .......................................... 5
Trojan .......................................... 6
Rootkit ......................................... 6
Keylogger ....................................... 7
Adware ......................................... 7
Spyware ......................................... 8
Bots ............................................ 8
RAT ........................................... 8
Logic Bomb ...................................... 9
Backdoor ........................................ 9
Indicators of Compromise ................................ 10
Chapter Review ........................................ 11
Questions ....................................... 12
Answers ......................................... 15
Chapter 2 Attacks ...................................................... 17
Social Engineering Methods .............................. 18
Phishing ........................................ 19
Spear Phishing .................................... 19
Whaling ........................................ 19
Vishing ......................................... 20
Tailgating ....................................... 20
Impersonation .................................... 21
Dumpster Diving ................................. 22
Shoulder Surfing .................................. 22
ix
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CompTIA Security+ All-in-One Exam Guide
x
Hoax ........................................... 23
Watering Hole Attack .............................. 23
Social Engineering Principles ......................... 23
Application/Service Attacks ............................... 25
DoS ............................................ 26
DDoS .......................................... 27
Man-in-the-Middle ................................ 29
Buffer Overflow ................................... 29
Injection ........................................ 30
Cross-Site Scripting ................................ 31
Cross-Site Request Forgery .......................... 32
Privilege Escalation ................................ 32
ARP Poisoning ................................... 32
Amplification .................................... 33
DNS Poisoning ................................... 33
Domain Hijacking ................................. 35
Man-in-the-Browser ............................... 36
Zero Day ........................................ 36
Replay .......................................... 36
Pass the Hash .................................... 37
Hijacking and Related Attacks ........................ 37
Driver Manipulation ............................... 38
Spoofing ........................................ 39
MAC Spoofing ................................... 39
IP Address Spoofing ............................... 39
Wireless Attacks ....................................... 42
Replay .......................................... 42
IV ............................................. 43
Evil Twin ........................................ 43
Rogue AP ....................................... 43
Jamming ........................................ 43
WPS ........................................... 44
Bluejacking ...................................... 44
Bluesnarfing ..................................... 45
RFID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
NFC ........................................... 46
Disassociation .................................... 46
Cryptographic Attacks .................................. 47
Birthday ........................................ 47
Known Plaintext/Ciphertext ......................... 47
Password Attacks .................................. 47
Rainbow Tables ................................... 48
Dictionary ....................................... 48
Brute Force ...................................... 49
Hybrid Attack .................................... 49
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