Visión general | Internet Security for Beginners

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Week 1

We will explain the basic terms vulnerability, attack, and incident in the first week. Furthermore, we will elaborate on attackers, their motives and their origins.

Welcome

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Course Start Survey

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Introduction: Internet and Cybercrime

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1.1 Introduction: Internet

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1.1 Introduction: Internet

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1.2 Introduction: World Wide Web

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1.2 Introduction: World Wide Web

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1.3 The Internet – A Popular Target

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1.3 The Internet – A Popular Target

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1.4 Risks in the Internet

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1.4 Risks in the Internet

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1.5 Cybercrime

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1.5 Cybercrime

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1.6 Attackers and their Motives

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1.6 Attackers and their Motives

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1.7 Common Attacks

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1.7 Common Attacks

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1.8 Brief History of Cybercrime

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1.8 Brief History of Cybercrime

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1.9 Security Objectives

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1.9 Security Objectives

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Learning Material

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Homework Week 1

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Week 2

In week 2, we will explain the idea and the concept of digital Identities and passwords. We will discuss the digital footprint, the feasibility to (easily) crack passwords and guidelines to chose a secure password.

Welcome to week 2

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Introduction: How Do We Actually Move on the Internet?

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2.1 Introduction: Digital Identities and Passwords

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2.1 Introduction: Digital Identities and Passwords

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2.2 Identity Theft

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2.2 Identity Theft

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2.3 Password-Based Login Process

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2.3 Password-Based Login Process

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2.4 Dilemma of Weak Passwords

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2.4 Dilemma of Weak Passwords

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2.5 Attacks on Passwords

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2.5 Attacks on Passwords

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2.6 Protection: Good Passwords

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2.6 Protection: Good Passwords

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2.7 Identity Theft by Social Engineering

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2.7 Identity Theft by Social Engineering

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2.8 Secure Authentication

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2.8 Secure Authentication

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Excursion: Password Length

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Excursion: Password Length

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Excursion: Hash Functions

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Excursion: Hash Functions

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Homework Week 2

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Week 3

In this week we will discuss several issues about malware. We will cover different types, such as, viruses, worms, and trojans, talk about botnets and mention some countermeasures.

Welcome to week 3

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Introduction: Malware from the Internet

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3.1 Malware from the Internet: Viruses, Trojans, Botnets

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3.1 Malware from the Internet: Viruses, Trojans, Botnets

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3.2 Malware: Botnets

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3.2 Malware: Botnets

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3.3 Malware: Spectacular Examples

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3.3 Malware: Spectacular Examples

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3.4 Malware: Protective Measures

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3.4 Malware: Protective Measures

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3.5 Mobile Apps and Malware

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3.5 Mobile Apps and Malware

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Excursion: Firewalls

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Excursion: Personal Firewalls

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Homework Week 3

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Week 4

In week 4, we will talk about dangers and risks that arise through the usage of open routes in the Internet. Therefore, we will discuss how attacks can capture messages and eavesdrop or even manipulate and compromise connections. Furthermore, some security mechanisms for those open communication channels, such as firewalls and encryption are illustrated.

Welcome to week 4

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Open Internet, Unsafe Transport Routes

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4.1 Open Internet

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4.1 Open Internet

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4.2 Wireless Networks

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4.2 Wireless Networks

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4.3 Eavesdropping on the Internet

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4.3 Eavesdropping on the Internet

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4.4 Faking Addresses on the Internet – Spoofing

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4.4 Faking Addresses on the Internet – Spoofing

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4.5 Man-in-the-Middle Attacks

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4.5 Man-in-the-Middle Attacks

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4.6 Attacks on Services

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4.6 Attacks on Services

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4.7 Attacks on the World Wide Web – via Web Browsers

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4.7 Attacks on the World Wide Web – via Web Browsers

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4.8 Attacks on the World Wide Web – via Web Servers

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4.8 Attacks on the World Wide Web – via Web Servers

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4.9 Secure Internet – Protective Measures

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4.9 Secure Internet – Protective Measures

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Excursion: Advanced Persistent Threat

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Homework Week 4

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Week 5

In the 5th week, we will take a closer look at the general topic encryption. Therefore, we explain different cryptographic algorithms and how they can be used for various purposes.

Welcome to week 5

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Introduction: Secure communication on the Internet

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5.1 Encryption Technology

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5.1 Encryption Technology

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5.2 Classical Encryption Methods

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5.2 Classical Encryption Methods

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5.3 Encryption Methods

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5.3 Encryption Methods

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5.4 HTTPS and TLS/SSL

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5.4 HTTPS and TLS/SSL

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5.5 Security Protocols

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5.5 Security Protocols

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5.6 Digital Signatures

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5.6 Digital Signatures

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5.7 Trust Problem, Certificates & PKI

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5.7 Trust Problem, Certificates & PKI

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Excursion: RSA

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Homework Week 5

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Week 6

In this week we will talk about several topics related to data privacy and private sphere in the digital world. Starting at the Internet as one big eco-system we will also cover privacy in the context of smartphones and wearables, the Internet-of-things or cloud computing, for example.

Welcome to week 6

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Introduction: Private Sphere and Data Privacy in the Digital Environment

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6.1 Privacy: Payment and Bonus Systems

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6.1 Privacy: Payment and Bonus Systems

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6.2 Privacy: Smartphones

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Excursion 1: Android Security

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6.2 Privacy: Smartphones

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6.3 Privacy: Smart Watches and Health Trackers

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6.3 Privacy: Smart Watches and Health Trackers

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6.4 Movemement Profiles

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6.4 Movemement Profiles

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6.5 Internet Surveillance

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6.5 Internet Surveillance

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6.6 Privacy: Cloud

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6.6 Privacy: Cloud

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6.7 Privacy: Smart Home and Smart Meters

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6.7 Privacy: Smart Home and Smart Meters

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6.8 Privacy: Summary and Conclusion

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6.8 Privacy: Summary and Conclusion

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Excursion 2: Spectre and Meltdown

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Homework week 6

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Course Update: Current Security Topics

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Bonus Quiz: Current Security Topics

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Final Exam

Show what you have learned during the course by taking the final exam and qualify for a certificate.

Information on the Final Exam

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Final Exam

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