OWASP Top 10, C# Secure Coding Follow Up Training

  • Learn via: Classroom
  • Duration: 1 Day
  • Price: Please contact for booking options
We can host this training at your preferred location. Contact us!

This course is the next step for our participants, who completed our OWASP Top 10, C# Secure Coding Fundamentals course. This is a follow up training, meaning that in order to attend this, everyone must already have the knowledge that is covered in the Fundamentals.

This course enables our participants to gain a deeper knowledge in the field, because here we emphasize the C#-specific aspects of secure coding instead of the general vulnerabilities.

At the end of the training everyone has the possibility to take an exam, where they are able to measure their level of the gained knowledge.

  • Learn client-side vulnerabilities and secure coding practices
  • Learn to use various security features of the .NET development environment
  • Have a practical understanding of cryptography

  • Client-side security
  • .NET security architecture and services
  • Practical cryptography



Client-side security

  • JavaScript security
  • Same Origin Policy
  • Simple requests
  • Preflight requests
  • Clickjacking
    • Clickjacking
    • Exercise – IFrame, Where is My Car?
    • Protection against Clickjacking
    • Anti frame-busting – dismissing protection scripts
    • Protection against busting frame busting
  • AJAX security
    • XSS in AJAX
    • Script injection attack in AJAX
    • Exercise – XSS in AJAX
    • XSS protection in AJAX
    • Exercise CSRF in AJAX – JavaScript hijacking
    • CSRF protection in AJAX

.NET security architecture and services

  • .NET architecture
  • Code Access Security (optional)
    • Full and partial trust
    • Evidence classes
    • Permissions
    • Code access permission classes
    • Deriving permissions from evidence
    • Defining custom permissions
    • .NET runtime permission checking
    • The Stack Walk
    • Effects of Assert()
    • Class and method-level declarative permission
    • Imperative (programmatic) permission checking
    • Exercise – sandboxing .NET code
    • Using transparency attributes
    • Allow partially trusted callers
    • Exercise – using transparency attributes

Practical cryptography

  • Rule #1 of implementing cryptography
  • Cryptosystems
    • Elements of a cryptosystem
    • .NET cryptographic architecture
  • Symmetric-key cryptography
    • Providing confidentiality with symmetric cryptography
    • Symmetric encryption algorithms
    • Modes of operation
    • Encrypting and decrypting (symmetric)
  • Other cryptographic algorithms
    • Hash or message digest
    • Hash algorithms
    • SHAttered
    • Hashing
    • Message Authentication Code (MAC)
    • Providing integrity and authenticity with a symmetric key
    • Random number generation
      • Random numbers and cryptography
      • Cryptographically-strong PRNGs
      • Weak PRNGs in .NET
      • Strong PRNGS in .NET
      • Hardware-based TRNGs
  • Asymmetric (public-key) cryptography
    • Providing confidentiality with public-key encryption
    • Rule of thumb – possession of private key
    • The RSA algorithm
      • Introduction to RSA algorithm
      • Encrypting with RSA
      • Combining symmetric and asymmetric algorithms
      • Digital signing with RSA
      • Asymmetric algorithms in .NET
      • Exercise Sign
      • Exercise – using .NET cryptographic classes
  • Public Key Infrastructure (PKI)
    • Man-in-the-Middle (MitM) attack
    • Digital certificates against MitM attack
    • Certificate Authorities in Public Key Infrastructure
    • X.509 digital certificate


Contact us for more detail about our trainings and for all other enquiries!

Upcoming Trainings

Join our public courses in our Istanbul, London and Ankara facilities. Private class trainings will be organized at the location of your preference, according to your schedule.

Classroom / Virtual Classroom
13 June 2024
Istanbul, Ankara, London
1 Day
Classroom / Virtual Classroom
07 July 2024
Istanbul, Ankara, London
1 Day
Classroom / Virtual Classroom
19 July 2024
Istanbul, Ankara, London
1 Day
Classroom / Virtual Classroom
09 August 2024
Istanbul, Ankara, London
1 Day
Classroom / Virtual Classroom
19 August 2024
Istanbul, Ankara, London
1 Day
Classroom / Virtual Classroom
23 August 2024
Istanbul, Ankara, London
1 Day
Classroom / Virtual Classroom
24 August 2024
Istanbul, Ankara, London
1 Day
Classroom / Virtual Classroom
17 September 2024
Istanbul, Ankara, London
1 Day
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