Developing a secure networked application can be challenging, even for developers who are already familiar with various cryptographic building blocks such as encryption and digital signatures. To help participants grasp the role and application of these cryptographic primitives, the course first establishes a solid foundation regarding the main requirements of secure communication—namely, secure acknowledgment, integrity, confidentiality, remote identification, and anonymity. It also addresses the typical problems that can compromise these requirements, alongside real-world solutions.
Since cryptography is a critical aspect of network security, the course discusses the most important cryptographic algorithms in symmetric cryptography, hashing, asymmetric cryptography, and key agreement. Rather than focusing on an in-depth mathematical background, these topics are explored from a developer's perspective, illustrating typical use-case examples and practical considerations related to crypto usage, such as public key infrastructures. The course also introduces security protocols used in various areas of secure communication, with an in-depth discussion on widely-used protocol families such as IPSEC and SSL/TLS.
Typical cryptographic vulnerabilities are discussed, both in relation to specific crypto algorithms and cryptographic protocols. Examples include BEAST, CRIME, TIME, BREACH, FREAK, Logjam, Padding oracle, Lucky Thirteen, POODLE, and similar issues, as well as the RSA timing attack. For each problem, the practical considerations and potential consequences are described, without delving into deep mathematical details.
Finally, since XML technology is central to data exchange for networked applications, the course covers the security aspects of XML. This includes the usage of XML within web services and SOAP messages, alongside protection measures such as XML signature and XML encryption. The course also addresses weaknesses in these protection measures and XML-specific security issues, such as XML injection, XML external entity (XXE) attacks, XML bombs, and XPath injection.
Participants attending this course will
- Understand basic concepts of security, IT security, and secure coding
- Understand the requirements of secure communication
- Learn about network attacks and defenses at different OSI layers
- Gain a practical understanding of cryptography
- Understand essential security protocols
- Understand some recent attacks against cryptosystems
- Get information about some recent related vulnerabilities
- Understand security concepts of Web services
- Get sources and further readings on secure coding practices
Audience
Developers, Professionals
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