Introduction to Cyber Security

Introduction to Cyber Security

• This lecture introduces cyber security
• The agenda includes topics like the internet, information security, cyber security, comparison of information security vs. cyber security, the information security triad, course outlines, coursework, and course resources

Internet

• Internet usage has increased dramatically from 2005 to 2023, rising from around 1023 in 2005 to over 5300 in 2023.
• This data is presented graphically in a chart

Why Information Security

• Loss estimates for information security breaches in 2023 are 8trillion;projectedfor2025,theyareestimatedtoreach8 trillion; projected for 2025, they are estimated to reach 8trillion;projectedfor2025,theyareestimatedtoreach10.5 trillion.
• There are 5.45 billion internet users in July 2024

Cyber Security Statistics (2023)

• The typical cost of a data breach is estimated to be $4.45 million USD
• In 2021 and 2022 alone, 2.6 billion personal records were stolen

Cost of a Data Breach (by country/region)

• United States had the highest cost of a data breach in 2023 at 9.481million;in2022,thecostwas9.481 million; in 2022, the cost was 9.481million;in2022,thecostwas9.44 million
• Other top 10 countries include: Middle East, Canada, Germany, Japan, United Kingdom, France, Italy, Latin America, and South Korea

Cost of a Data Breach (by industry)

• Healthcare is the most expensive industry to breach, at $10.93 million
• Other top industries include: Financial, Pharmaceuticals, Energy, Industrial, Technology, Professional Services, Transportation, Communications, Consumer, Education, Research, Entertainment, Media, Hospitality, Retail, and the Public Sector. Costs vary by industry and year.

Cyber Security Definition

• Cyber security is the practice of protecting systems, networks, and data from digital attacks. This includes unauthorized access, damage, or theft
• This lecture will cover cyber security basics, importance, types of threats, and key principles.

Information Security (InfoSec) Definition

• InfoSec protects all types of information, digital, physical and intellectual.
• It prevents unauthorized access, misuse, destruction, or alteration.
• The goal is to maintain confidentiality, integrity, and availability (CIA).

Cyber Security vs. Information Security

• Cyber security focuses specifically on digital systems
• Information Security focuses on all types of information

What is Cyber Security?

• Cyber security is developing measures to defend systems, networks and information from cyber criminals, hackers or accidental errors.

Information Security Triad

• Confidentiality: sensitive information is accessible only to authorized individuals
• Integrity: data remains accurate, complete and unaltered
• Availability: systems and data are accessible when needed

Information Security Stages

• Identification
• Assessment
• Protection
• Monitoring

Information Security Domains

• Governance & Compliance (GRC)
• People (SOC)
• Processes
• Technology
• Security Technologies (list of examples provided)

Cyber Security Careers

• Includes a list of top 10 cyber career options

Course Outlines

• Topics in the course outline include definitions of Information Security and related terms, security technologies, threat actors, hacking methodologies, security assessments, malware types, types of attacks, cryptography, firewalls, database security, Wi-Fi security, secure protocols, and web application security.

Classwork

• Quiz 1: Week 5 (5 marks)
• Assignments and researches (5 marks)
• Quiz 2: Week 12 (5 marks)
• Midterm: Week 8 (20 marks)
• Lab: Week 14 (3 tasks) (15 marks)
• Final exam: Week 16 (50 marks)

Resources

• Textbooks including: Introduction to Cyber Security: Fundamentals, Hacking: A Beginner's Guide to Computer Hacking, and Hacking: The Art of Exploitation.
• Lecture materials, presentations, and videos are also provided.

Conclusion

• Cybersecurity is vital in the modern digital world.
• To protect systems and data, proactive measures are needed.
• Understanding cybersecurity fundamentals is essential for defense.

Explore the fundamentals of cyber security in this introductory quiz. Topics include the rise of internet usage, the significance of information security, and alarming statistics about data breaches. Gain insights into the course outlines and essential concepts of cyber security.