GeeksforGeeks

Command Injection Vulnerability and Mitigation

Last Updated: 14 June 2022

Command injection is basically injection of operating system commands to be executed through a web-app. The purpose of the command injection attack is to inject and execut...read more

C Language

secure-coding

vulnerability

Path Traversal Attack and Prevention

Last Updated: 29 September 2022

A path traversal attack allows attackers to access directories that they should not be accessing, like config files or any other files/directories that may contains server...read more

PHP

secure-coding

What is Session Hijacking?

Last Updated: 28 May 2025

Session hijacking is a security attack on a user session over a protected network. The most common method of session hijacking is called IP spoofing, when an attacker uses...read more

Ethical Hacking

secure-coding

How slow HTTP can knock down a server

Last Updated: 01 May 2025

Slow HTTP are application layer Denial Of Service (DoS) attack and has the potential to knock down a server with limited resources. Because of the nature of the attack (sl...read more

GBlog

Computer Subject

secure-coding

Automated Brute Forcing on web-based login

Last Updated: 29 September 2022

Brute force attacks work by calculating every possible combination that could make up a password and testing it to see if it is the correct password. As the password’s len...read more

Ethical Hacking

secure-coding

What is WannaCry and How does WannaCry ransomware works

Last Updated: 04 June 2025

In May 2017, a massive cyberattack shook the world when the WannaCry ransomware outbreak spread rapidly across hundreds of thousands of computers in more than 150 countrie...read more

GBlog

secure-coding

hmac - Keyed-Hashing for Message Authentication

Last Updated: 20 July 2017

HMAC is a mechanism for message authentication using cryptographic hash functions. HMAC can be used with any iterative cryptographic hash function, e.g., MD5, SHA-1, in co...read more

"use strict" in JavaScript

Last Updated: 03 December 2024

In JavaScript, "use strict" is a directive that enables strict mode, which was first introduced in ECMAScript 5 (ES5) to assist in the writing of safer and more error-free...read more

Meltdown Security Vulnerability

Last Updated: 29 September 2022

What is Meltdown security vulnerability?Meltdown, also known as Rogue Data Cache Load, is a security vulnerability that affects microprocessors of the types Intel x86, IBM...read more

Format String Vulnerability and Prevention with Example

Last Updated: 07 March 2024

A format string is an ASCII string that contains text and format parameters. Example:// A statement with format stringprintf("my name is : %s\n", "Akash");// Output// My ...read more

Code Injection and Mitigation with Example

Last Updated: 29 September 2022

Code injection is the malicious injection or introduction of code into an application. The code introduced or injected is capable of compromising database integrity and/or...read more

Ethical Hacking

secure-coding

Passwords and Cryptographic hash function

Last Updated: 29 September 2022

We have introduced and discussed importance of hashed passwords. To create strong hashed passwords, we must understand some terminology related to it and then we will see ...read more

Ethical Hacking

secure-coding

cryptography

Vulnerability in input() function – Python 2.x

Last Updated: 29 March 2024

This article aims to explain and explore the vulnerability in the input() function in Python 2.x. In Python 3, the raw_input() function was erased, and its functionality w...read more

Python

secure-coding

vulnerability

Mitigation of SQL Injection Attack using Prepared Statements (Parameterized Queries)

Last Updated: 20 August 2024

SQL injection is one of the most common and dangerous vulnerabilities that can affect a database-driven application. Attackers can exploit these vulnerabilities by injecti...read more

Best Practices for Secure Coding in Web Applications

Last Updated: 02 April 2024

Web applications are essential for corporations to deliver digital offerings, and they have got grow to be increasingly important in recent years as increasingly human bei...read more

secure-coding

vulnerability

Cyber-security

Ethical Hacking - Hacking Web Applications

Websites & Apps

Web Security