1. Chapter 1: Information Security Fundamentals
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2. Objectives Identify the challenges for information security
Define information security
Explain the importance of information security
List and define information security terminology
Describe the CompTIA Security+ certification exam
Describe information security careers
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3. Identifying the Challenges for Information Security (continued)
Computer Emergency Response Team (CERT) security organization compiles statistics regarding number of reported attacks, including:
Speed of attacks
Sophistication of attacks
Faster detection of weaknesses
Distributed attacks
Difficulties of patching
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4. Identifying the Challenges for Information Security (continued)
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5. Identifying the Challenges for Information Security (continued)
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6. Defining Information Security (continued)
– Tasks of guarding digital information, which is typically processed by a computer, stored on a storage device, and transmitted over a network spacing
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7. Defining Information Security (continued)
Information security is intended to protect information that has value to people and organizations
This value comes from the characteristics of the information:
Confidentiality
Integrity
Availability
Information security is achieved through a combination of three entities
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8. Defining Information Security (continued)
Confidentiality: Prevention of unauthorized disclosure of information. Or keeping unwanted parties from accessing assets of a computer system Also known as: secrecy or privacy
Integrity: Prevention of unauthorized modification of information.
Availability: Prevention of unauthorized withholding of information or resources. Or keeping system available
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9. Defining Information Security (continued)
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10. Defining Information Security (continued)
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11. Defining Information Security (continued)
A more comprehensive definition of information security is:
– That which protects the integrity, confidentiality, and availability of information on the devices that store, manipulate, and transmit the information through products, people, and procedures
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12. Understanding the Importance of Information Security
Information security is important to businesses:
Prevents data theft
Avoids legal consequences of not securing information
Maintains productivity
Foils cyberterrorism
Thwarts identity theft
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13. Preventing Data Theft Security often associated with theft prevention
Drivers install security systems on their cars to prevent the cars from being stolen
Same is true with information security—businesses cite preventing data theft as primary goal of information security
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14. Preventing Data Theft (continued)
Theft of data is single largest cause of financial loss due to a security breach
One of the most important objectives of information security is to protect important business and personal data from theft
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15. Avoiding Legal Consequences
Businesses that fail to protect data may face serious penalties
Laws include:
The Health Insurance Portability and Accountability Act of 1996 (HIPAA)
The Sarbanes-Oxley Act of 2002 (Sarbox)
The Cramm-Leach-Blilely Act (GLBA)
USA PATRIOT Act 2001
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16. Maintaining Productivity
After an attack on information security, clean-up efforts divert resources, such as time and money away from normal activities
A Corporate IT Forum survey of major corporations showed:
Each attack costs a company an average of $213,000 in lost man-hours and related costs
One-third of corporations reported an average of more than 3,000 man-hours lost
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17. Maintaining Productivity (continued)
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18. Foiling Cyberterrorism
An area of growing concern among defense experts are surprise attacks by terrorist groups using computer technology and the Internet (cyberterrorism)
These attacks could cripple a nation’s electronic and commercial infrastructure
Our challenge in combating cyberterrorism is that many prime targets are not owned and managed by the federal government
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19. Thwarting Identity Theft
Identity theft involves using someone’s personal information, such as social security numbers, to establish bank or credit card accounts that are then left unpaid, leaving the victim with the debts and ruining their credit rating
National, state, and local legislation continues to be enacted to deal with this growing problem
– The Fair and Accurate Credit Transactions Act of is a federal law that addresses identity theft
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20. Information Security Terminology (continued)
Asset
Something that has a value
Threat
An event or object that may defeat the security measures in place and result in a loss
Threat agent
A person or thing that has the power to carry out a threat
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21. Information Security Terminology (continued)
Vulnerability
Weakness that allows a threat agent to bypass security
Risk
The likelihood that a threat agent will exploit a vulnerability
Realistically, risk cannot ever be entirely eliminated
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22. Information Security Terminology (continued)
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23. Information Security Terminology (continued)
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24. Exploring the CompTIA Security+ Certification Exam (continued)
Since 1982, the Computing Technology Industry Association (CompTIA) has been working to advance the growth of the IT industry
CompTIA is the world’s largest developer of vendor- neutral IT certification exams
The CompTIA Security+ certification tests for mastery in security concepts and practices
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25. Exploring the CompTIA Security+ Certification Exam (continued)
The Security+ exam is an internationally recognized validation of foundation-level security skills and knowledge Used by organizations and security professionals around the world
The six domains covered by the Security+ exam:
– Systems Security, Network Infrastructure, Access Control, Assessments and Audits, Cryptography, and Organizational Security
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26. Surveying Information Security Careers
Information security is one of the fastest growing career fields
As information attacks increase, companies are becoming more aware of their vulnerabilities and are looking for ways to reduce their risks and liabilities
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27. Surveying Information Security Careers (continued)
Sometimes divided into three general roles:
Security manager develops corporate security plans and policies, provides education and awareness, and communicates with executive management about security issues
Security engineer designs, builds, and tests security solutions to meet policies and address business needs
Security administrator configures and maintains security solutions to ensure proper service levels and availability
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28. Summary
The challenge of keeping computers secure is becoming increasingly difficult
Attacks can be launched without human intervention and infect millions of computers in a few hours
Information security protects the integrity, confidentiality, and availability of information on the devices that store, manipulate, and transmit the information through products, people, and procedures
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29. Summary (continued)
Information security has its own set of terminology
A threat is an event or an action that can defeat security measures and result in a loss
Many organizations use the CompTIA Security+ certification to verify security competency
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