CMSC 426 Lecture 1

What is Cybersecurity?

protecting computer systems, networks, and data from unauthorized access, theft, or damage.

Personal data

Mitigating identity theft risks

Corporate data

Safeguarding intellectual property and sensitive records

Cost of cybercrime

Lost revenue, legal fees, and reputational damage

Financial sector

Securing digital transactions and banking systems

Critical Infrastructure

Utilities, healthcare, transportation, and defense systems

National Security

Protection of classified and governmental data

Domains of Cybersecurity

• Application Security

• Network Security

• Endpoint Security

Application Security

Safeguarding software and applications from vulnerabilities

Network Security

Protecting the integrity, confidentiality, and accessibility of data as it travels across networks

Endpoint Security

Securing devices such as laptops, smartphones, and IoT devices

Cryptography

Ensuring data confidentiality and integrity through encryption techniques

Incident Response

Planning and responding to security breaches

Malware Analysis

Identifying and mitigating malicious softwar

Ethics in Cybersecurity

• Security

• Privacy

• Surveillance

• Data Collection

Adhering to security standards to avoid penalties

• GDPR

• HIPAA

• PCI-DSS