IT Security Manager

1. Introduction

2. Data Security and Data Protection

2.1 Data Backup

2.2 Data Loss

2.3 Difference to Data Protection

2.4 The European GDPR

2.4.1 The Requirements and Obligations of the GDPR

2.4.2 Validity of the GDPR

2.4.3 Order Processing

2.4.4 Data Protection Officers

2.4.5 The Principles of the GDPR

2.5 Trends in Data Protection and Data Recovery

3. Methods and Technologies of Data Protection

3.1 Methods

3.1.1 Simple Full Data Backup

3.1.2 Differential Data Backup

3.1.3 Incremental Backup

3.1.4 Sequential Data Backup

3.1.5 Partial Data Backup

3.1.6 Data Protection Strategies

3.2 Media of Data Protection

3.2.1 Optical Storage Media (Non-Volatile Memories)

3.2.2 Magnetic Storage Media (Non-Volatile Memories)

3.2.3 Electronic Storage Media (Volatile Memory)

3.3 Handling Storage Media

4. Data Protection Concept

4.1 Specifying the Data

4.2 Select Method of Data Backup

4.3 Data Backup Medium

4.4 Create a Backup Plan

4.5 Organization within the Company

4.6 Tool Support

Appendix: Data Backup Concept – A. Objective

B. Definition of Responsibilities

C. Risk Assessment

D. Data Backup Procedure

E. Minimum Organizational and Technical Requirements

F. Implementation of the Data Backup Concept

Bibliography

List of Figures

Questions of Understanding Module 2 – Data Protection, Technologies and Methods

1. Introduction

2. Building Networks

2.1 Network Topologies

2.1.1 Bus Topology

2.1.2 Ring Topology

2.1.3 Star Topology

2.1.4 Mesh Topology

2.1.5 Tree Topology

2.2 Carrier Materials

2.2.1 Copper

2.2.2 Fibre Optic Cable/ Optical Fibre

2.2.3 Air

2.3 OSI Reference Model

3. Communication in the Network

3.1 Packet Switching and Routing

3.2 Addressing

3.3 Mac Address

3.4 NAT

4. Protocols

4.1 TCP

4.2 UDP

5. Network Security

5.1 Encryption

5.2 Authentication

6. Man-In-The-Middle

Appendix 1 – Security Guidelines for the Construction of a Network Infrastructure (Based on the Studies of the BSI)

Appendix 2 – Checklist for Setting up a Secure Network (Based on BSI Specifications)

Checklist Local Network

Checklist Security Gateways and Security Zones

Checklist Coupling to the Internet

Checklist Network Management

Bibliography

List of Figures

Questions of Understanding – Module 3 – Network Architectures and Protocols

1. Introduction to Network Threats

2. Types of Attacks

3. Malware

3.1 Definition

3.2 Types of Malware

3.2.1 Computer Viruses

3.2.2 Computer Worm

3.2.3 Trojan Horse

3.2.4 Backdoor

3.2.5 Spyware

3.2.6 Scareware/Rogueware

3.2.7 Bots and Bot Nets

3.2.8 Ransomware

3.2.9 Phishing

3.2.10 Scamming

3.2.11 Dialler

3.2.12 Third Party Billing

3.2.13 Cryptomining

3.3 Mixed Forms

4. Hacking

4.1 Network Hacking

4.2 Operating System Hacking

4.3 Software Hacking

5. Distributed Denial of Service (DDOS)

6. Social Engineering and Hardware

7. Counter Measures

7.1 Knowledge about Typical Attacks

7.2 Technical Measures

8. Digression: Cyber Warfare

8.1 Background and Definition

8.2 Methods

8.3 Attack Leadership in Cyber Warfare

8.4 Cyber Warefare in Reality

Appendix: Description of the Hazard Analysis for a Subnetwork Scenario

Bibliography

List of Figures

Questions of Understanding Module 4 – Forms of Network Threats – Cyber Attacks and Malware

1. Introduction

2. Organization and Communication in the Company

2.1 Definition of Roles in IT Security Management

2.2 Organization of IT Security in the Company

2.3 Awareness Management

3. IT Compliance

3.1 Legal Framework

3.2 Standards and Norms

4. IT Security Management

4.1 Risk Management

4.2 Emergency Management

4.3 Available Management

5. Technical IT Security Measures

6. Monitoring and Control Processes

6.1 Monitoring IT Security

6.2 IT Security Audits

System Checklist

Bibliography

List of Figures

Questions of Understanding Module 5 – IT-Security in the Application I – Security Processes

1 Introduction

2 Legal Basis

3 Functionality of WLANs

3.1 Transmission by Radio

3.2 Modes

3.2.1 Ad-Hoc Mode

3.2.2 Infrastructure Mode

3.3 Hot Spots

3.4 Comparison to LAN

4 Encryption and Access Control

4.1 WEP

4.2 WPA

4.3 WPA2

5 Security Problems with WLANS and Possible attacks

6 Security for WLANs

7 Critical Consideration

Attachment – Checklist for a Secure WLAN environment (Based on BSI technical guidelines)

Bibliography

List of Figures

Questions of Understanding Module 6 – IT-Security in the Application II – Security in Wireless LANs (WLANs)

1 Types of Protocols

1.1 HTTP

1.2 SMTP/IMAP/POP3

1.3 FTP

1.4 NNTP

1.5 XMPP

1.6 SOAP

2 Security Issues in Web Applications

2.1 Programming and Configuration Errors

2.2 Caching and Cookies

2.3 Forging E-Mail Addresses

2.4 Missing Authentication and Encryption

3 Encryption

3.1 Historical Outline

3.2 Basics and Application Areas

3.3 Symmetric Encryption Methods (secret key)

3.3.1 DES

3.3.2 AES

3.3.3 OTP

3.4 Asymmetric Encryption Methods (public key)

3.4.1 RSA

3.4.2 PGP

3.4.3 SSL/TLS and SSH

4 Access, Entry and Access Control

5 Authentication

5.1 PIN/Password

5.2 TAN

5.3 Biometric Authentication

5.4 Certificates

5.5 Smartcard

Appendix – Precautions for Using Internet Protocols in the Company

Bibliography

List of Figures

Questions of Understanding Module 7 – Security for Internet Protocols

1 Introduction

2 Tasks and Security Tasks of an Operating System

3 Typical Attack

4 General Security in Servers and Operating Systems

4.1 Basic installation and Minimal System

4.2 Installation of Security Programs

4.2.1 Firewall

4.2.2 Anti-Virus Program/Virus Scanner

4.3 User Accounts/Access Control

4.4 Securing Ports

4.5 Secure Boot

4.6 Updates

4.7 Backups and Penetration Tests

4.8 Other Requirements

5 Special Safeguards in Different Operating Systems

5.1 Tools for Testing

5.2 Microsoft Windows

5.2.1 Access Control and Permissions in Windows

5.2.2 Vulnerabilities of Windows

5.2.3 Windows Defender

5.2.4 Windows Firewall

5.2.5 Windows Server Update Services

5.2.6 Windows Event Viewer

5.3 Unix Security – Linux

5.3.1 Access Control under Linux

5.3.2 Vulnerabilities and Countermeasures

6 Checklist for Setting Up and Managing IT Landscapes

Bibliography

List of Figures

Questions of Understanding Module 8 – Security Tasks for the Operating Systems

1 Introduction

2 Remote Access Methodology

3 Remote Internet Access / VPN

3.1 Software VPN

3.2 Hardware VPN

4 Encryption of VPN

5 Cloud Computing

6 Thin Client

7 Authentication via Kerberos

Bibliography

List of Figures

Questions of Understanding Module 9 – Remote Access

1. Introduction

2. Developing Secure Software

2.1 Software Development Process

2.2 Typical Programming Languages

2.3 Typical Databases

2.4 Object-oriented Programming

2.4.1 Encapsulation and Visibility

2.4.2 Defining and Checking Variable Ranges

2.5 Encryption of Network Traffic

3. Testing the Software

3.1 Test Coverage through Unit Tests

3.2 Attention to Corner Cases

4. Encryption of User Data

4.1 Encryption for Authentication

4.2 Encryption of Other User Data

4.3 Securing Data Collection

5. Identifying and Closing Security Gaps

6. Preventing Typical Problems

6.1 Buffer Overflow

6.2 Integer Overflow

6.3 SQL Injection

6.4 Denial of Services

6.5 Temporary Files

Podcast

Bibliography

List of Figures

Questions of Understanding Module 10 – Development of Secure Software Applications

1. Introduction

2. Communication Technologies

2.1 Mobile Radio Standards

2.2 Wireless LAN Technology

2.3 Bluetooth Technology

2.4 NFC Technology

3. Mobile Terminals

3.1 Hardware

3.2 Software/Operating Systems and Applications

3.2.1 iOS

3.2.2 Android

3.2.3 Windows Mobile

3.2.4 Other Operating Systems

3.3 Security Basics of Android and iOS

4. Threats

4.1 Physical intrusion and Hardware Manipulation

4.2 Operating System and Services

4.3 Mobile Apps

4.4 Malware

4.5 Tampering with Communication Channels

5. Protective Measures

6. Enterprise Mobility Management (EMM)

6.1 Inventory and Device Management

6.2 Role and Authorisation Management

6.3 Management of Updates and Application Software

6.4 Data Backup and Recovery

6.5 Documentation and Reporting

Appendix: Checklist for the Introduction of Mobile Device Management (based on BSI (German Federal Institute for Security) guidelines)

Bibliography

List of Figures

Questions of Understanding Module 11 – Mobile Safety and Security