Blog
Mert Özen's blog posts on software development, backend, frontend, and DevOps.
Series
.NET Core Web API
36
Angular
31
JavaScript Basics
19
JavaScript Intermediate
18
JavaScript Advanced
16
TypeScript Basics
14
TypeScript Intermediate
14
TypeScript Advanced
12
Entity Framework Core
28
Dapper
16
Git & GitHub
29
Web Security (OWASP Top 10)
21
LLM Fundamentals
20
C# Fundamentals
20
Object-Oriented Programming in C#
16
C# Collections and Generics
11
LINQ
17
Asynchronous Programming in C#
17
Advanced C#
14
C# Versions
6
Solution Patterns
22
2 posts found
#rate-limiting
Security
PART 11
OWASP A06: Insecure Design — Business Logic Flaws, Race Conditions and Rate Limiting
An order endpoint that works correctly line by line refunds money for a negative quantity, accepts a single-use coupon twice and sells the last copy to two people. We separate design flaws from implementation bugs, find the missing requirements with STRIDE and abuse cases, and fix them with a conditional UPDATE, a transaction, .NET 10 validation and rate limiting.
6 Nov 2026
11 min
10
Backend
PART 33
What's New in ASP.NET Core with .NET 7: MapGroup, TypedResults, Rate Limiting and Output Caching
MapGroup, TypedResults and Results<T1,T2>, endpoint filters, AddProblemDetails, rate limiting and output caching in .NET 7, compared with .NET 6, plus C# 11 required members, raw string literals and migration notes.
4 Nov 2026
9 min
43