Articles on offensive security, methodology and how HackerGPT works: pentesting your own website, CTFs, OSINT and vulnerability briefs. https://hackergpt.org/blog/ 2026-10-25T00:00:00.000Z HackerGPThttps://hackergpt.org/ https://hackergpt.org/favicon.png https://hackergpt.org/logo.png https://hackergpt.org/blog/idor-vulnerability-example/ 2026-10-25T00:00:00.000Z 2026-10-25T00:00:00.000Z HackerGPT Team

IDOR explained on a real vulnerable handler from CyberGym, reproduced locally with two users, and fixed with server-side ownership checks you can copy.

A filing cabinet on a dark field, its top drawer open and glowing green while the key sits in the bottom lock https://hackergpt.org/blog/ctf-for-beginners-web-challenges/ 2026-10-24T00:00:00.000Z 2026-10-24T00:00:00.000Z HackerGPT Team

What a CTF is, the main categories, a starter toolset and a worked web challenge on CyberGym — plus whether an AI may coach you through one.

A lit browser-shaped practice target inside a green boundary ring in a dark hall https://hackergpt.org/blog/how-to-pentest-your-own-website/ 2026-10-24T00:00:00.000Z 2026-10-24T00:00:00.000Z HackerGPT Team

Pentest your own website with an AI agent: scope and permission first, then recon, mapping, testing and reading findings — a worked run on CyberGym.

Abstract green AI node scanning a grid of web endpoints and locked gateways on a dark field https://hackergpt.org/blog/http2shell-brotli-cve-2026-111497/ 2026-10-24T00:00:00.000Z 2026-10-24T23:30:00.000Z HackerGPT Team

How the Brotli decoder bug behind HTTP2Shell and Node2Shell works, how to check your Node.js and Python apps, and which versions fix it.

Compressed data blocks overflowing a small fixed-size buffer into neighbouring memory https://hackergpt.org/blog/map-web-app-attack-surface/ 2026-10-24T00:00:00.000Z 2026-10-24T23:30:00.000Z HackerGPT Team

Map your web app before testing it: build a state graph of its pages, enumerate every API endpoint, and record the auth each expects. Worked on CyberGym.

Abstract network graph split by a vertical boundary line, green nodes on a dark field https://hackergpt.org/blog/php2shell-cve-2026-109618-109619/ 2026-10-24T00:00:00.000Z 2026-10-24T23:30:00.000Z HackerGPT Team

How the PHP2Shell bugs work, which PHP versions have a fix, how to check your own servers and what to do if you cannot upgrade today.

A wave of red warning lights spreading across server racks, with patched rows glowing green https://hackergpt.org/blog/practice-hacking-legally/ 2026-10-24T00:00:00.000Z 2026-10-24T00:00:00.000Z HackerGPT Team

Why permission is what makes hacking practice legal, which free targets give it (Juice Shop, PortSwigger, picoCTF, TryHackMe, HTB) and a first CyberGym session.

Lit training ground inside a green boundary in a dark server hall, practice targets on stands https://hackergpt.org/blog/vibe-coded-app-security-checklist/ 2026-10-24T00:00:00.000Z 2026-10-24T00:00:00.000Z HackerGPT Team

A security checklist for vibe-coded and indie SaaS apps: secrets in the bundle, endpoint auth, object ownership, Supabase RLS, webhooks, headers and deps.

Abstract green checklist over a dark grid of web endpoints and locked and unlocked gateways https://hackergpt.org/blog/hackergpt-update-stateful-ctf-engagements-concurrent-steering-and-decoupled-browsing/ 2026-05-23T23:01:02.981Z 2026-05-24T04:54:50.359Z HackerGPT Team

Discover the latest HackerGPT update featuring stateful memory for CTF engagements, concurrent task steering, and a decoupled, low-latency browsing engine.

Illustration: A showcase of the new HackerGPT CTF mode featuring stateful context management and memory tracking. https://hackergpt.org/blog/hackergpt-050-advancing-applied-security-training-with-ctf-mode/ 2026-03-19T03:21:31.468Z 2026-03-19T03:21:31.468Z HackerGPT Team

Explore HackerGPT 0.5.0's CTF Mode. Enhance security training with headless browser automation, traffic interception, and automated payload management.

Illustration: HackerGPT utilizing headless browser automation to intercept and analyze HTTP traffic dynamically. https://hackergpt.org/blog/scanning-reconnaissance-tool/ 2026-02-08T00:00:00.000Z 2026-03-19T20:01:53.081Z HackerGPT Team

A technical guide to operationalizing network reconnaissance. Explore subdomain enumeration, Nmap strategies, and service fingerprinting for security pros.

Illustration: An abstract visualization of a network topology showing the relationship between subdomains, IPs, an https://hackergpt.org/blog/web-security/ 2026-02-07T03:41:04.900Z 2026-10-24T00:00:00.000Z HackerGPT Team

How to check your site's TLS configuration with sslscan, look up a CVE in NVD, and log the API calls a page makes, with real output from CyberGym.

A green wireframe padlock over a dark grid, with thin streams of light flowing into it https://hackergpt.org/blog/intelligence-gathering/ 2026-02-06T00:00:00.000Z 2026-10-24T00:00:00.000Z HackerGPT Team

Find what public sources reveal about your own domain and company: registration, DNS, certificate logs, search engines and breach data, with a real run.

A green domain node on a dark field with lines reaching out to scattered public records https://hackergpt.org/blog/independence-from-openai/ 2026-01-12T12:00:00.000Z 2026-02-04T17:29:00.957Z HackerGPT Team

HackerGPT Lite no longer relies on the OpenAI API: free-tier prompts now run on self-hosted models, on servers we physically own and control.

Illustration: glowing processor clusters linked by light trails around a central chip with a brain and shield icons, suggesting a decentralized GPU network. https://hackergpt.org/blog/why-we-created-hackergpt/ 2025-07-28T12:00:00.000Z 2026-02-04T17:29:01.455Z HackerGPT Team

Why HackerGPT exists: breaches start with gaps in technical insight, and LLM-powered guidance can help defenders understand the systems they run.

Illustration: a circular cycle of glowing icons (a brain, an eye, a magnifying glass over data and a cracked shield with a wrench) around a central chip. https://hackergpt.org/blog/the-era-of-autonomous-warfare-why-human-defense-can-no-longer-keep-up/ 2025-06-10T16:11:16.339Z 2026-02-04T17:29:01.835Z HackerGPT Team

Discover how autonomous AI agents are reshaping cybersecurity. Learn why manual defense fails and how to build an autonomous security infrastructure.

Illustration: A visual comparison showing the evolution from manual human hackers to automated scripts, and finall https://hackergpt.org/blog/the-asymmetric-war-why-manual-defense-fails-against-autonomous-attacks/ 2025-05-13T04:00:03.160Z 2026-02-04T17:29:02.178Z HackerGPT Team

Traditional security stacks are failing against automated threats. Learn how AI-driven red teaming bridges the gap between continuous deployment and security.

Illustration: A diagram illustrating the frequency gap between daily code deployments and quarterly security audit https://hackergpt.org/blog/the-cybersecurity-talent-gap-crisis-causes-and-the-path-forward/ 2025-04-01T04:58:53.028Z 2026-02-04T17:29:02.885Z HackerGPT Team

The global cybersecurity talent gap puts organizations at risk. Explore the causes, the entry-level paradox, and how hands-on training can bridge the shortage.

Illustration: A line graph showing the exponential rise in cyber threats versus the linear growth of the security https://hackergpt.org/blog/defense-against-data-aggregation-privacy-engineering-in-the-digital-economy/ 2025-03-29T09:00:00.000Z 2026-02-04T17:29:03.224Z HackerGPT Team

Explore technical strategies to combat data aggregation and shadow profiles. Covers differential privacy, OPSEC, and decentralized identity for security pros.

Illustration: A diagram illustrating the difference between direct data collection (silos) and inferential data ag https://hackergpt.org/blog/security-visibility-vs-privacy-navigating-legal-and-ethical-constraints-in-the-soc/ 2025-03-27T09:00:00.000Z 2026-02-04T17:29:03.551Z HackerGPT Team

Explore the legal and ethical challenges of security visibility. Learn how to balance TLS inspection, UAM, and DLP with privacy laws like GDPR.

Illustration: A Venn diagram illustrating the intersection of Security Visibility, Legal Compliance, and Ethical P https://hackergpt.org/blog/defending-against-the-convergence-ai-driven-malware-and-volumetric-ddos/ 2025-03-25T09:00:00.000Z 2026-02-04T17:29:03.870Z HackerGPT Team

Learn strategies to defend against multi-vector attacks combining AI-driven malware and DDoS. Discover SIEM correlation logic and architectural best practices.

A dark tech-style illustration visualizing a high-volume DDoS attack waveform alongside a low-volume lateral movement path and data exfiltration icon. https://hackergpt.org/blog/edr-and-xdr-internals-a-technical-assessment-of-efficacy-and-evasion/ 2025-03-23T09:00:00.000Z 2026-02-04T17:29:04.173Z HackerGPT Team

A technical deep dive into EDR/XDR architecture, evasion techniques like direct syscalls, eBPF visibility, and the operational reality of detection engineering.

Illustration: Diagram illustrating the transition from legacy signature-based prevention to modern behavioral tele https://hackergpt.org/blog/insider-threat-defense-architecting-security-against-negligence-and-malice/ 2025-03-21T09:00:00.000Z 2026-02-04T17:29:04.482Z HackerGPT Team

Learn how to architect defense against insider threats. Covers JIT access, SDLC guardrails, UEBA detection, and DLP strategies for security professionals.

Illustration: A diagram illustrating the spectrum of insider threats from accidental negligence to malicious inten https://hackergpt.org/blog/converging-defense-unifying-strategies-for-fraud-prevention-and-data-security/ 2025-03-18T09:00:00.000Z 2026-02-04T17:29:04.791Z HackerGPT Team

Discover technical strategies to merge InfoSec and fraud defense. Learn about behavioral telemetry, FIDO2 authentication, and context-aware rate limiting.

Illustration: A Venn diagram illustrating the overlapping threats of Account Takeover and Synthetic Identity Fraud https://hackergpt.org/blog/operationalizing-cyber-resilience-from-compliance-checklists-to-engineering-blueprints/ 2025-03-15T09:00:00.000Z 2026-02-04T17:29:05.306Z HackerGPT Team

A technical guide for security architects on transforming compliance frameworks (NIST CSF 2.0, ISO 22301) into operational resilience strategies.

Illustration: A diagram contrasting the linear 'Protect' model with the cyclical 'Anticipate, Withstand, Recover, https://hackergpt.org/blog/securing-critical-infrastructure-the-otit-convergence-and-resilience-strategy/ 2025-03-12T09:00:00.000Z 2026-02-04T17:29:05.709Z HackerGPT Team

A technical guide to securing critical infrastructure. Covers Modbus risks, the Purdue model, passive monitoring, and safety-critical incident response.

Illustration: A diagram illustrating the intersection of Operational Technology and Information Technology network https://hackergpt.org/blog/hackergpt-crypto-analysis/ 2025-03-11T00:00:00.000Z 2026-02-07T21:57:41.483Z HackerGPT Team

Explore HackerGPT's Crypto OSINT capabilities. Automate token auditing, cross-chain wallet forensics, and OFAC sanctions screening for faster incident response.

Illustration: Diagram illustrating how HackerGPT aggregates data from blockchain nodes, block explorers, and threa https://hackergpt.org/blog/bridging-the-cybersecurity-skills-gap-an-engineering-approach/ 2025-03-08T09:00:00.000Z 2026-02-04T17:29:06.017Z HackerGPT Team

Stop hunting for unicorns. Discover how security leaders are solving the skills shortage through automation, adjacent hiring, and GenAI augmentation.

Illustration: A split comparison graphic showing 'Unicorn' job descriptions with excessive requirements versus the https://hackergpt.org/blog/securing-corporate-ai-a-technical-framework-for-llm-architecture/ 2025-03-04T09:00:00.000Z 2026-02-04T17:29:06.437Z HackerGPT Team

A technical guide for security architects on implementing LLMs safely. Covers AI gateways, RAG security, prompt injection defense, and data governance.

Illustration: A diagram illustrating the new attack vectors introduced by LLMs, contrasting deterministic software https://hackergpt.org/blog/state-sponsored-cyber-threats-building-resilience-against-the-infinite-budget/ 2025-02-28T09:00:00.000Z 2026-02-04T17:29:06.891Z HackerGPT Team

Discover technical strategies to counter state-sponsored cyber threats. Learn about behavioral analytics, identity resilience, and deception technology.

Illustration: A diagram illustrating the 'Pyramid of Pain,' showing how behavioral detection is harder for attacke