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Practice injection flaws in guided exploit labs, or review a cloud diagram and flag misconfigurations. Everything runs in your browser with fake data only.

A03 Injection

SQL Injection

Break MailTrail logins and lead search with quote tricks, UNION leaks, and boolean probes.

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 LLM01 Prompt Injection

AI Prompt Injection

Exploit five fake RetailGPT assistants and learn why guardrails fail without proper boundaries.

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 Cloud Misconfiguration

AWS 3-Tier Web App

Review an architecture diagram, flag misconfigurations, and score your findings against eight cloud flaws.

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How an Application Works Watch one request travel through DNS, the WAF, the API gateway, app servers, and the data stores. Security Checklists Hub Filterable checklists for web, cloud, mobile, AI, API, and Kubernetes. CVE Lookup Live multi-source CVE intel from NVD, OSV, EPSS, and CISA KEV. Bug Bounty Programs Search public bounty and VDP scopes across major platforms. Cybersecurity Jobs Find AppSec, SOC, cloud, and GRC roles with direct apply links. Security Conferences Upcoming and past infosec conferences worldwide. Free Security Courses Current free Udemy coupons for cybersecurity and AI/ML courses. Daily Bug Bounty Writeups Boost your security testing knowledge with real findings every day. Secure Code Explain Analyze security vulnerabilities from a code perspective. Vulnerability Explain Explore application security vulnerabilities in-depth. Application Security Quiz Test your app security knowledge with our quiz. Security Games Browser-only arcade: phishing triage, WAF puzzles, JWT race, and more. Arcade Labs Browser games: On-Call Drive in the neon city, and Shift Zero on a SOC analyst desk. Live Threat Map Free live 3D threat globe from open abuse.ch feeds - malware, phishing, and scanners in real time. Security Terminologies Glossary of security terms.

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Latest Blogs

New research and explainers by Piyush Kumawat.

PIYUSH KUMAWAT

GitHub Actions Secret Stealer (wfx): Hunt, Rotate, Harden

The November 2026 wfx campaign used 4,800+ stolen GitHub accounts to probe 64k+ repos and run a CI…
PIYUSH KUMAWAT

AI Voice Cloning Attacks: How to Build a Deepfake Vishing Lab and Defend Against It

In 2026, an attacker does not need to compromise an Active Directory domain or steal an SSH private…
PIYUSH KUMAWAT

OpenSSH Password Bypass on Alpine (CVE-2026-123158)

A 300-character password logs into Alpine accounts that have no password. CVE-2026-123158 explained, reproduced in a lab, and…

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Guide for Penetration Testing

Security suite for researchers.

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Tutorials for Windows Server

Windows Server roles and configuration.

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Security Quiz

Evaluate your security knowledge.

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Burp Suite Guide

Learn Burp Suite on the go.

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