Preventing common security threats
In any web application, security threats are an ever-present concern. NestJS applications, like all others, are vulnerable to various attacks if not properly secured. Understanding these threats and how to mitigate them is crucial to maintaining the integrity, confidentiality, and availability of your application. In this section, we’ll explore some of the most common security threats faced by web applications and discuss strategies to prevent them.
Overview of common security threats
Before diving into specific prevention techniques, let’s briefly review the most common security threats you might encounter:
- XSS: This occurs when an attacker injects malicious scripts into content that other users view. These scripts can then execute in the context of the victim’s browser, leading to unauthorized actions like stealing cookies or session tokens.
- SQL injection: SQL injection attacks occur when an attacker is able...