HACKERGPT TEAM
IDOR vulnerability example: find it and fix it
What an IDOR is, shown on the real basket handler of CyberGym, a deliberately vulnerable training app, then reproduced and fixed in a small local Express app with two users.
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Blog
Read the HackerGPT blog for timely articles on AI, developer tooling, cybersecurity, and practical guides for building with LLMs.
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HACKERGPT TEAM
CTF for beginners: start with web challenges
What a CTF is, the main challenge categories, a small starter toolset, and a worked web challenge on CyberGym — plus how an AI can coach you through one without handing over the flag.
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HACKERGPT TEAM
Security checklist for vibe-coded and indie SaaS apps
A seven-item security checklist for apps built fast with AI coding tools and small SaaS: secrets in the bundle, endpoint auth, object ownership, Supabase RLS, webhook signatures, headers and dependencies — each with a check you can run on your own app.
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HACKERGPT TEAM
Where to practice hacking legally: CyberGym, Juice Shop and your own site
Hacking practice is legal when the owner of the target has said yes. The targets that say yes, from a hosted OWASP Juice Shop to your own site, and a first session on CyberGym, step by step.
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How to pentest your own website with an AI agent
A practical walkthrough of testing your own web app with an AI agent: get permission and scope first, then recon, map, test and read the findings — with a worked run on CyberGym and a plain account of what an automated pass does not replace.
Map a web app's attack surface before you test it
Before you test your own app, map what is actually exposed: the page states behind each login, every API endpoint, and the auth each one expects. A worked example on CyberGym.
HackerGPT 0.5.7: Stateful CTF Engagements, Concurrent Steering, and Decoupled Browsing
Explore the latest HackerGPT update featuring stateful memory for CTF engagements, concurrent task steering, and a decoupled, low-latency browsing engine.
HackerGPT 0.5.0: Advancing Applied Security Training with CTF Mode
Discover HackerGPT 0.5.0's new CTF Mode. Learn how headless browser automation, traffic interception, and payload management streamline security training.
Independence from OpenAI
Today marks a memorable milestone for HackerGPT. We released the Lite version that is self-sufficient. We no longer rely on OpenAI API to answer questions for our users.
Why We Created HackerGPT
The root cause of breaches is usually lack of insight into existing technology used by the organization that is being targeted. Computer security is a field where expertise matters and there is a huge gap in education and knowledge for cyber defenders.
The Era of Autonomous Warfare: Why Human Defense Can No Longer Keep Up
As AI agents automate cyberattacks 24/7, manual defense is becoming obsolete. Explore the shift to autonomous defense infrastructure and how to close the speed gap.
The Asymmetric War: Why Manual Defense Fails Against Autonomous Attacks
Cybersecurity faces a fatal asymmetry: attackers use automation while defenders rely on manual workflows. Discover why offensive AI is the only viable defense.
The Cybersecurity Talent Gap: Crisis, Causes, and the Path Forward
The cybersecurity talent gap leaves 3.5 million roles unfilled. We analyze the systemic causes—from the 'entry-level' paradox to burnout—and outline actionable strategies to bridge the divide.
Defense Against Data Aggregation: Privacy Engineering in the Digital Economy
A technical deep dive into mitigating data aggregation threats. Learn about differential privacy, OPSEC compartmentalization, and architectural defenses against shadow profiles.
Security Visibility vs. Privacy: Navigating Legal and Ethical Constraints in the SOC
In the era of Zero Trust, "log everything" creates liability. This guide explores balancing technical visibility with privacy laws, ethics, and operational constraints.
Defending Against the Convergence: AI-Driven Malware and Volumetric DDoS
Diversionary DDoS attacks are evolving with AI-enhanced malware. Learn how to correlate cross-layer signals and architect resilient defenses against multi-vector campaigns.
EDR and XDR Internals: A Technical Assessment of Efficacy and Evasion
A deep dive into the architectural limitations of modern EDR/XDR, exploring user-mode hooking, direct syscall evasion, and the shift to eBPF in Linux environments.
Insider Threat Defense: Architecting Security Against Negligence and Malice
Insider threats bypass perimeter defenses by definition. Learn actionable strategies to mitigate risks from negligent employees and malicious insiders using JIT access, UEBA, and automated guardrails.
Converging Defense: Unifying Strategies for Fraud Prevention and Data Security
Modern threats blur the lines between fraud and data breaches. Learn how to unify defense strategies using behavioral telemetry, FIDO2, and data minimization.
Operationalizing Cyber Resilience: From Compliance Checklists to Engineering Blueprints
Move beyond paper compliance. Learn how to operationalize NIST CSF 2.0, ISO 22301, and MITRE ATT&CK to build systems that fail gracefully and recover rapidly.
Securing Critical Infrastructure: The OT/IT Convergence and Resilience Strategy
The air gap is dead. Discover technical strategies for securing critical infrastructure, from mitigating legacy protocol risks to implementing passive monitoring and kinetic incident response.
Bridging the Cybersecurity Skills Gap: An Engineering Approach
The cybersecurity skills shortage isn't just a recruiting issue—it's an engineering challenge. Learn how to bridge the gap through automation, competency-based hiring, and AI augmentation.
Securing Corporate AI: A Technical Framework for LLM Architecture
A technical guide for security architects on safely implementing LLMs. Learn about AI gateways, RAG access controls, and defense against prompt injection.
State-Sponsored Cyber Threats: Building Resilience Against the Infinite Budget
Advanced Persistent Threats (APTs) demand a shift from prevention to resilience. Learn actionable strategies for identity hardening, behavioral detection, and active defense.
Post-Quantum Cryptography: Risk Assessment and Migration Strategy
As quantum computing advances, the "Harvest Now, Decrypt Later" threat looms. Learn how to assess risk and implement hybrid Post-Quantum Cryptography (PQC) today.
Operationalizing Defense Against AI-Augmented Cyber Threats
As AI democratizes sophisticated cyberattacks, defenders must shift from static signatures to behavioral analysis. This guide explores technical mitigation strategies for AI-driven social engineering, polymorphic malware, and deepfakes.
Securing the Edge: Architectural Strategies for IoT and Mobile Risk Management
A technical deep dive into securing the fragmented perimeter. Learn how to implement firmware analysis, network micro-segmentation, and Zero Trust principles to mitigate IoT and mobile risks.
Augmenting Web Reconnaissance: A Technical Deep Dive into HackerGPT
Explore HackerGPT's web reconnaissance capabilities, including SSL analysis, CVE correlation, and dynamic network logging, designed to streamline security workflows.
Beyond the Weakest Link: Architecting Resilience Against Human Error
Stop blaming users for security breaches. Learn how to architect resilience against human error using FIDO2, Policy-as-Code, and JIT access to minimize blast radius.
Cloud Security Governance: Closing Gaps and Mastering Misconfigurations
A technical deep dive into managing cloud security risks. Learn to mitigate misconfigurations using Policy-as-Code, context-aware CSPM, and automated remediation.
Zero Trust Architecture: A Practitioner’s Guide to Implementation
Move beyond the buzzwords. This technical guide explores the operational reality of Zero Trust Architecture (ZTA), focusing on identity, policy-as-code, and micro-segmentation.
Accelerating OSINT Workflows: AI-Driven Intelligence Gathering with HackerGPT
Discover how HackerGPT streamlines OSINT workflows by integrating dark web search, subdomain enumeration, and GeoIP analysis into a unified, AI-driven interface.
Defending Against RaaS: Architectural Strategies to Break the Ransomware Kill Chain
Ransomware-as-a-Service (RaaS) demands a shift from perimeter defense to internal resilience. Learn architectural strategies to stop lateral movement and privilege escalation.
Software Supply Chain Security: A Defense-in-Depth Architecture
Move beyond compliance checklists. Learn to architect a resilient software supply chain using SBOMs, SLSA provenance, Sigstore, and runtime enforcement.
AI-Driven Penetration Testing: The Shift from Automation to Agentic Workflows
How an agentic AI pentest works (observe, decide, act, remember), traced through the real route table of CyberGym, and the three things an agent still misses: business logic, chained context and scope judgement.
Streamlining On-Chain Forensics: AI-Driven Wallet Profiling and Risk Analysis
Accelerate crypto investigations with AI-driven forensics. Learn to unify wallet profiling, detect Solana rug pulls, and automate sanction screening efficiently.
Threat modeling AI agents with the OWASP LLM and Agentic Top 10
Map your AI agent onto the 2026 OWASP Top 10 for LLM Applications and the Agentic Top 10, then test it for prompt injection with a canary. Real results from a local run.
How to check the open ports on your own server, by hand or with an AI agent
Find out which ports your own server exposes to the internet: the scan types that matter, what SYN and connect scans each tell you, and the real output of a scan of CyberGym.