WebGoat v8.1 Security Laboratory Complete Walkthrough
SQL Injection Fundamentals
Introduction to Database Query Manipulation
Structured Query Language enables interaction with relational database systems. This section demonstrates how improperly constructed quereis can be exploited to bypass security controls and access unauthorized data.
Basic Retrieval Operations
Consider a personnel database ta ...
Posted on Sat, 25 Jul 2026 17:12:56 +0000 by phpfanphp
Essential Security Practices for Modern Web Development
Cross-Site Scripting (XSS)
Core Mechanism
XSS vulnerabilities occur when applications trust user-submitted data without proper sanitization. The server processes user input, converts it to HTML elements, and delivers it to clients where malicious scripts execute.
Characteristics
Stealthy execution with no visible interface
Theft of sensitive u ...
Posted on Sun, 12 Jul 2026 16:55:57 +0000 by johnnyk
Database Migration and SMS Verification Implementation in Flask
Database Models
Create models.py in the ihome driectory:
# -*- coding:utf-8 -*-
from datetime import datetime
from . import db
class BaseModel(object):
"""Base model class providing created_at and updated_at timestamps"""
created_at = db.Column(db.DateTime, default=datetime.now)
updated_at = db.Colu ...
Posted on Mon, 29 Jun 2026 16:21:58 +0000 by gezeala
Understanding and Detecting CSRF Vulnerabilities
What is CSRF?
Cross-Site Request Forgery (CSRF) is a web-based attack vector that forces authenticated users to submit unwanted requests to a web application. The attack exploits the trust that a web application has in the user's browser by leveraging active sessions and authentication credentials. When successful, attackers can perform unautho ...
Posted on Fri, 26 Jun 2026 16:34:07 +0000 by phpfreak
Essential Cybersecurity Interview Questions and Technical Solutions
Penetration Testing Methodology
Standard Penetration Testing Process
Initial project preparation and scope definition
Information gathering: WHOIS lookup, source IP identification, virtual host detection, C segment scanning, server system version, container version, application version, database type, subdomain enumeration, firewall identifica ...
Posted on Sun, 17 May 2026 22:03:57 +0000 by offnordberg
Handling Django POST Forms with CSRF Protection
When working with Django 1.7.8, developers may encounter a 403 CSRF verification failed error during POST form submissions.
The error message indicates that the CSRF token is either missing or incorrect. This security feature prevents cross-site request forgery attacks.
To resolve this issue, ensure that the {% csrf_token %} template tag is inc ...
Posted on Thu, 07 May 2026 19:36:23 +0000 by Attilitus