# https://hackerxone.com

> Security Research and Intelegence


## Posts

- [Buffer Overflow Exploitation From Scratch: Hands-On Guide](https://hackerxone.com/buffer-overflow-exploitation-from-scratch-hands-on-guide-3/): Buffer overflows still bring down real systems — CVE-2023-38408 proved it. This hands-on guide walks you through fuzzing, controlling EIP, and building a working reverse shell exploit from scratch using Python, GDB, and msfvenom.
- [Active Directory Attack Paths Every Pentester Must Know](https://hackerxone.com/active-directory-attack-paths-every-pentester-must-know-2/): Midnight Blizzard went from service account to Domain Admin in four hours using nothing but AD misconfigurations. Learn the exact attack paths — Kerberoasting via GenericWrite, Pass-the-Hash lateral movement, and BloodHound enumeration — with real commands and output you can run today.
- [Linux Privilege Escalation via SUID Binaries: Complete Guide](https://hackerxone.com/linux-privilege-escalation-via-suid-binaries-complete-guide/): A misconfigured SUID binary can hand an attacker a root shell in seconds — no exploit required. This guide walks through real enumeration commands, two live exploitation examples, and the exact steps to lock down your Linux systems today.
- [AI-Powered Cyberattacks in 2026: Techniques & Defenses](https://hackerxone.com/ai-powered-cyberattacks-in-2026-techniques-defenses-2/): AI-powered attack pipelines in 2026 combine LLM-driven OSINT with polymorphic payloads that bypass static detection — and they run faster than any human red teamer. Here's what the attacks actually look like, and the three controls that stop them.
- [Reverse Engineering CTF Challenges with Ghidra](https://hackerxone.com/reverse-engineering-ctf-challenges-with-ghidra-2/): Ghidra's decompiler turns stripped CTF binaries into readable pseudocode in seconds. This walkthrough shows exactly how to go from raw ELF to captured flag — with real decompiler output and a concrete patching technique you can use today.
- [RCE via Deserialization: Java & PHP Gadget Chains](https://hackerxone.com/rce-via-deserialization-java-php-gadget-chains-2/): Deserialization RCE is still dropping shells in 2026 — because gadget chains weaponize code that's already in your classpath. Walk through real ysoserial and PHPGGC payloads targeting Java and PHP apps, and learn exactly what an attacker does once the shell lands.
- [Microsoft 365 Phishing & Account Takeover Techniques](https://hackerxone.com/microsoft-365-phishing-account-takeover-techniques-2/): Attackers stole 47 Microsoft 365 mailboxes in six hours without cracking a single password — using session token theft that bypasses MFA entirely. Here is exactly how adversary-in-the-middle phishing and OAuth consent attacks work, with real commands to detect them in your tenant.
- [SSH Hardening: Production Server Complete Guide 2026](https://hackerxone.com/ssh-hardening-production-server-complete-guide-2026-2/): A 2026 OpenSSH vulnerability caught thousands of admins with default configs wide open. This guide walks through auditing your SSH exposure, locking down sshd_config with real settings, and verifying Fail2ban is actually blocking attacks — with commands you can run right now.
- [LLM Jailbreaking: What Security Teams Must Know](https://hackerxone.com/llm-jailbreaking-what-security-teams-must-know-2/): LLM jailbreaking is hitting real production systems in 2026 — not just research labs. Learn how role override and indirect prompt injection attacks work, see actual examples, and get concrete steps to lock down your AI deployments today.
- [Forensics CTF Methodology: What to Look For and Where](https://hackerxone.com/forensics-ctf-methodology-what-to-look-for-and-where-2/): Most forensics CTF failures come from having no methodology — teams guess instead of triage. This post walks through a systematic approach covering disk triage, deleted file recovery, and memory analysis with real commands and tool output you can use immediately.
- [OSINT Recon Techniques & Tools That Work in 2026](https://hackerxone.com/osint-recon-techniques-tools-that-work-in-2026/): Attackers mapped an entire SaaS company's attack surface using only public data before firing a single payload. This post walks through the exact OSINT workflow — theHarvester, Shodan, and credential leak tools — so defenders can run it first.
- [Pass-the-Hash & Pass-the-Ticket Attacks Explained](https://hackerxone.com/pass-the-hash-pass-the-ticket-attacks-explained-2/): Pass-the-Hash and Pass-the-Ticket attacks let adversaries move through Active Directory without ever cracking a password. This post walks through real Mimikatz and Rubeus examples — with output explained — so you know exactly what these attacks look like and how to stop them.
- [Linux Forensics: Finding Attacker Traces After a Breach](https://hackerxone.com/linux-forensics-finding-attacker-traces-after-a-breach-2/): When a Linux host is compromised, attackers leave traces in processes, auth logs, and persistence mechanisms. This guide walks through real forensic commands to find reverse shells, suspicious logins, and backdoors — fast.
- [AI-Generated Polymorphic Malware: How It Works](https://hackerxone.com/ai-generated-polymorphic-malware-how-it-works-2/): AI-generated polymorphic malware rewrites its own code on every execution cycle, burning through binary hashes faster than signature databases can keep up. Learn how the mutation engine works, what it leaves behind in memory, and how to build detection rules that survive it.
- [Crypto CTF Challenges: Ciphers & Attack Methods](https://hackerxone.com/crypto-ctf-challenges-ciphers-attack-methods-2/): ROT13, XOR, and weak RSA show up in nearly every CTF crypto track. Learn to identify the cipher, pick the right attack, and recover the flag fast — with real commands you can run right now.
- [Hashcat GPU Cracking: Complete Setup & Usage Guide](https://hackerxone.com/hashcat-gpu-cracking-complete-setup-usage-guide/): GPU-accelerated cracking is how real-world password audits work. This guide walks through Hashcat setup, NTLM dictionary attacks, and rule-based cracking with real commands and output — everything you need to run a credential audit today.
- [Rootkit Techniques and How to Detect Them](https://hackerxone.com/rootkit-techniques-and-how-to-detect-them-2/): Rootkits hide processes, files, and network connections by hooking the very syscalls your detection tools rely on. Learn how kernel-level hiding works and how to catch it using /proc cross-referencing and rkhunter — with real commands and output.
- [BloodHound AD Attack Path Analysis: Complete Guide](https://hackerxone.com/bloodhound-ad-attack-path-analysis-complete-guide-2/): BloodHound maps Active Directory attack paths the same way attackers do — automatically and brutally efficiently. This guide walks through real SharpHound collection, Cypher queries, and a live GenericWrite-to-DA exploit chain with concrete remediation steps.
- [Cron Job Abuse for Persistence: Detect & Prevent It](https://hackerxone.com/cron-job-abuse-for-persistence-detect-prevent-it/): Cron is quiet, trusted, and runs as root — exactly why attackers use it to survive reimaging and incident response. Learn how to audit every cron location on a Linux host, detect malicious entries with auditd, and harden cron before an attacker gets the chance.
- [Securing AI Copilots and Agents in Your Org](https://hackerxone.com/securing-ai-copilots-and-agents-in-your-org/): AI copilots can autocomplete secrets, execute injected instructions, and exfiltrate data — all without a single CVE. Here's how to audit permissions, test for prompt injection, and add runtime monitoring before an attacker finds the gaps first.
- [Fileless Malware: Living Off the Land Attack Techniques](https://hackerxone.com/fileless-malware-living-off-the-land-attack-techniques-2/): Scattered Spider breached financial targets in 2025 without dropping a single file to disk. Learn how living-off-the-land attacks abuse PowerShell and WMI — with real commands and detection techniques you can run right now.
- [SSRF Attacks: Finding and Exploiting Server-Side Request Forgery](https://hackerxone.com/ssrf-attacks-finding-and-exploiting-server-side-request-forgery-2/): SSRF lets attackers turn your server into a proxy against internal systems — and the Capital One breach proved how far that pivot can go. This post walks through finding blind SSRF with interactsh, exploiting the AWS metadata service for live credentials, and bypassing common filters with real commands.
- [Windows Defender Bypass Techniques in 2026](https://hackerxone.com/windows-defender-bypass-techniques-in-2026-2/): AMSI patching, PE stomping, and LOLBin loader chains are still bypassing Windows Defender in 2026 — including in nation-state campaigns. Walk through real commands, see what the output looks like, and learn exactly where to add detection coverage.
- [eBPF for Real-Time Security Monitoring on Linux](https://hackerxone.com/ebpf-for-real-time-security-monitoring-on-linux/): eBPF lets you hook directly into the Linux kernel to catch attacks — privilege escalation, reverse shells, suspicious syscalls — as they happen. Here is how to use bpftrace and BCC tools to see exactly what an attacker does the moment they do it.
- [How Attackers Use LLMs to Automate Phishing at Scale](https://hackerxone.com/how-attackers-use-llms-to-automate-phishing-at-scale-2/): Criminal crews are using LLM pipelines to generate hyper-personalized phishing emails at scale — each one unique, each one cheap to produce. Here's what the attack infrastructure actually looks like and what defenders can detect right now.
- [CTF Web Challenge Walkthrough: Methodology & Tools](https://hackerxone.com/ctf-web-challenge-walkthrough-methodology-tools/): Skipping recon is how teams waste hours on CTF web challenges. This walkthrough covers the exact three-step methodology — directory fuzzing, auth bypass via NoSQL injection, and path traversal — with real commands and tool output at every stage.
- [Wireshark for Network Forensics: Packet Analysis Guide](https://hackerxone.com/wireshark-for-network-forensics-packet-analysis-guide/): Volt Typhoon proved that attackers hide in normal-looking traffic. Wireshark lets you find them. Here's how to use display filters, reconstruct credentials, and spot exfiltration using real packet analysis techniques.
- [C2 Frameworks: How Attackers Maintain Persistence](https://hackerxone.com/c2-frameworks-how-attackers-maintain-persistence/): Attackers don't stay in networks by brute force — they plant C2 implants that quietly phone home for weeks. Here's what that looks like in real console output, network logs, and scheduled task creation events, plus exactly how to hunt for it.
- [Advanced SQL Injection & WAF Bypass Techniques](https://hackerxone.com/advanced-sql-injection-waf-bypass-techniques/): Classic SQL injection payloads trip WAFs instantly — so attackers evolved. This post walks through real WAF bypass techniques, a live SQLMap evasion workflow, and second-order injection that WAFs will never catch.
- [Azure Entra ID Red Team Techniques in 2026](https://hackerxone.com/azure-entra-id-red-team-techniques-in-2026/): Token theft and service principal abuse now dominate Azure Entra ID attack chains in 2026. This post walks through real red team techniques — tenant enumeration with ROADtools, device code phishing with TokenTactics, and shadow credential persistence — with actual commands and output at every step.
- [Linux Kernel Exploitation: Know the Attack Surface](https://hackerxone.com/linux-kernel-exploitation-know-the-attack-surface/): CVE-2022-0847 (Dirty Pipe) let any unprivileged user overwrite read-only files and own root — and it bypassed every modern kernel mitigation. This post walks through mapping the Linux kernel attack surface with real commands, from version enumeration to eBPF exposure, so you know exactly what an attacker sees on your box.
- [Deepfake Fraud in Enterprise: Detection & Prevention](https://hackerxone.com/deepfake-fraud-in-enterprise-detection-prevention-2/): Deepfake voice and video fraud is now hitting enterprise finance and HR teams with documented seven-figure losses. This guide walks through real detection commands using resemblyzer and FaceForensics++ and the prevention controls that stop fraud before money moves.
- [Malware Reverse Engineering with Ghidra: Beginner Guide](https://hackerxone.com/malware-reverse-engineering-with-ghidra-beginner-guide/): Ghidra turns raw malware binaries into readable pseudocode — and it's free. This beginner guide walks through a real PE sample, showing exactly how analysts find hardcoded C2 addresses and decode beacon functions from scratch.
- [Hardening Linux Servers: The Complete 2026 Checklist](https://hackerxone.com/hardening-linux-servers-the-complete-2026-checklist-2/): A misconfigured SSH daemon handed attackers root access in under four minutes — no exploits needed. This 2026 Linux hardening checklist gives you real commands to close the gaps on SSH, open ports, and privilege escalation before someone else finds them first.
- [Forensics CTF Methodology: What to Look For and Where](https://hackerxone.com/forensics-ctf-methodology-what-to-look-for-and-where/): A repeatable forensics CTF methodology beats raw tool knowledge every time. Learn how to triage disk images, analyze memory dumps with Volatility 3, and carve files strategically — with real commands and output at every step.
- [Nmap Mastery: Advanced Scanning for Pentesters](https://hackerxone.com/nmap-mastery-advanced-scanning-for-pentesters/): Most pentesters use Nmap daily but stop at -sV. This post walks through aggressive service fingerprinting, NSE scripting for vulnerability recon, and firewall evasion techniques — with real commands and output you can run today.
- [Ransomware Anatomy: How Modern Attacks Work End to End](https://hackerxone.com/ransomware-anatomy-how-modern-attacks-work-end-to-end/): Modern ransomware groups encrypt thousands of endpoints in under 12 hours using a tight, repeatable playbook. This post walks through every stage — from phishing to file encryption — with real tool output and defender actions at each step.
- [Buffer Overflow Exploitation From Scratch: Hands-On Guide](https://hackerxone.com/buffer-overflow-exploitation-from-scratch-hands-on-guide/): Buffer overflows crashed SQL Server in 2003 and they're still crashing daemons today. This hands-on guide walks through finding an offset with GDB, locating a JMP ESP gadget, and landing a root shell — then shows defenders exactly which compiler flags close each gap.
- [Active Directory Attack Paths Every Pentester Must Know](https://hackerxone.com/active-directory-attack-paths-every-pentester-must-know/): Scattered Spider reached Domain Admin in four hours using only AD misconfigurations. This post walks through Kerberoasting, BloodHound attack path analysis, and ACL abuse — with real commands and tool output — so you can find these paths before attackers do.
- [Linux SUID Binary Privilege Escalation: Complete Guide](https://hackerxone.com/linux-suid-binary-privilege-escalation-complete-guide/): SUID binaries are one of the most reliable Linux privilege escalation paths — and misconfigured ones show up constantly in real environments. This guide shows you exactly how to find them with find and LinPEAS, exploit them with one-liners from GTFOBins, and strip the bit before an attacker uses it.
- [AI-Powered Cyberattacks in 2026: Techniques & Defenses](https://hackerxone.com/ai-powered-cyberattacks-in-2026-techniques-defenses/): AI-powered cyberattacks in 2026 are chaining LLMs, mutating malware, and exploiting prompt injection to hit faster than human defenders can respond. Here are the real techniques — with live command examples — and the defenses that are actually holding the line.
- [Crypto CTF Challenges: Ciphers & Attack Methods](https://hackerxone.com/crypto-ctf-challenges-ciphers-attack-methods/): Crypto CTF challenges reward pattern recognition and the right tool, not complexity. Walk through frequency analysis, XOR brute-force, and RSA weak-key attacks with real Python examples you can run right now.
- [Volatility 3 Memory Forensics: Practical Guide](https://hackerxone.com/volatility-3-memory-forensics-practical-guide/): Attackers leave traces in memory that never touch disk — Volatility 3 is how you find them. This hands-on guide walks through process analysis, network connections, and injected shellcode extraction using real commands and plausible incident scenarios.
- [Analyzing Malicious Office Macros: Step-by-Step](https://hackerxone.com/analyzing-malicious-office-macros-step-by-step/): A 2026 phishing campaign hid a full attack chain inside a .docm invoice file. This walkthrough uses olevba and PowerShell forensics to decode the macro, expose the C2 address, and trace persistence on a compromised host.
- [RCE via Deserialization: Java & PHP Gadget Chains](https://hackerxone.com/rce-via-deserialization-java-php-gadget-chains/): Deserialization gadget chains turn trusted library code into an RCE primitive — and they've been popping shells since 2015. This post walks through real ysoserial and PHPGGC payloads, explains exactly what the output means, and shows what an attacker does the moment they have a shell.
- [Microsoft 365 Phishing & Account Takeover Techniques](https://hackerxone.com/microsoft-365-phishing-account-takeover-techniques/): AiTM phishing campaigns bypass MFA by stealing session cookies mid-authentication — no password cracking required. Learn how attackers chain session hijacking with OAuth app abuse for persistent Microsoft 365 access, and what your audit logs reveal about both techniques.
- [SSH Hardening: Production Server Complete Guide 2026](https://hackerxone.com/ssh-hardening-production-server-complete-guide-2026/): A misconfigured SSH daemon with password auth enabled cost one company 14 production servers in 2026. This guide walks through a full SSH hardening process — audit commands, sshd_config settings, and key management — with real output at every step.
- [LLM Jailbreaking: What Security Teams Must Know](https://hackerxone.com/llm-jailbreaking-what-security-teams-must-know/): LLM jailbreaking lets attackers bypass AI safety controls using nothing but a crafted prompt — no CVE required. Learn how to detect jailbreak attempts in your logs, test your own models with Garak, and layer defenses that actually hold.
- [Binary Exploitation CTF Challenges: Step-by-Step](https://hackerxone.com/binary-exploitation-ctf-challenges-step-by-step/): Most binary exploitation CTF challenges fail teams not because the techniques are hard, but because the recon process is skipped. This guide walks through checksec enumeration, cyclic offset finding, and a working ret2libc exploit — with real commands and real output at every step.
- [OSINT Techniques & Tools for Recon in 2026](https://hackerxone.com/osint-techniques-tools-for-recon-in-2026/): Attackers mapped a SaaS company's entire external attack surface using only public data — no exploits required. Learn how to run the same OSINT playbook defenders and red teamers use in 2026, with real commands and tool output.
- [CVE Analysis: Breaking Down Critical Vulns Step by Step](https://hackerxone.com/cve-analysis-breaking-down-critical-vulns-step-by-step/): Attackers weaponized CVE-2024-21887 within 48 hours of public disclosure. This post walks through CVE analysis step by step — from reading CVSS vectors to running nuclei scans and tracing root cause in source code — so your team is ready before the exploit drops.
- [Pass-the-Hash & Pass-the-Ticket Attacks Explained](https://hackerxone.com/pass-the-hash-pass-the-ticket-attacks-explained/): Pass-the-Hash and Pass-the-Ticket attacks let attackers move through Active Directory without ever knowing a plaintext password. Learn exactly how these attacks work with real Mimikatz and Rubeus examples — and the three controls that stop them.
- [Linux Forensics: Finding Attacker Traces After a Breach](https://hackerxone.com/linux-forensics-finding-attacker-traces-after-a-breach/): After a breach, Linux systems hide attacker traces in SSH keys, cron jobs, and systemd services — even when bash history is wiped. Here is how to find them using real commands before the trail goes cold.
- [AI-Generated Polymorphic Malware: How It Works](https://hackerxone.com/ai-generated-polymorphic-malware-how-it-works/): AI-powered mutation engines can rewrite malware payloads between every deployment, defeating signature-based AV entirely. Learn how the technique works and see the behavioral detection rules that actually catch it.
- [CTF Web Challenge Walkthrough: Tools & Methodology](https://hackerxone.com/ctf-web-challenge-walkthrough-tools-methodology/): Most CTF teams lose web challenges not because they lack exploit skills, but because they skip structured recon. This walkthrough shows the exact methodology — from directory enumeration to git history extraction — that turns a confusing target into a captured flag in under 30 minutes.
- [Hashcat GPU Password Cracking: Complete Setup Guide](https://hackerxone.com/hashcat-gpu-password-cracking-complete-setup-guide/): GPU-accelerated Hashcat can test 18 billion NTLM hashes per second — a speed that makes weak passwords collapse in seconds. This guide walks through installation, dictionary attacks, and rule-based cracking with real commands and actual output so you know exactly what you are looking at on your next engagement.
- [Rootkit Techniques and How to Detect Them](https://hackerxone.com/rootkit-techniques-and-how-to-detect-them/): Rootkits like Symbiote and Diamorphine hide processes and backdoors at the kernel level, making standard OS tools useless for detection. This post walks through real chkrootkit and rkhunter output, explains what each warning means, and shows you how to cross-check /proc directly to catch what hooked syscalls try to hide.
- [XXE Injection: Real Attack Techniques Explained](https://hackerxone.com/xxe-injection-real-attack-techniques-explained/): XXE injection abuses XML parsers to read local files, trigger SSRF, and exfiltrate data out-of-band — no authentication required. This post walks through two real attack techniques with working payloads, explains what the output tells you, and shows exactly how to shut the door at the parser level.
- [BloodHound AD Attack Path Analysis: Complete Guide](https://hackerxone.com/bloodhound-ad-attack-path-analysis-complete-guide/): BloodHound mapped the exact attack path used in major AD breaches — paths your standard tooling never shows. This guide walks through real SharpHound collection, Cypher queries, and Kerberoasting detection with actual command output so you can find and close those paths before an attacker does.
- [Cron Job Abuse for Persistence: Detect & Prevent](https://hackerxone.com/cron-job-abuse-for-persistence-detect-prevent/): Attackers routinely plant cron jobs to survive reboots and IR cleanup — yet most teams never audit scheduled tasks. Learn how to detect malicious cron entries, sweep your fleet for common IOCs, and lock down cron access before the next compromise.
- [Securing AI Copilots & Agents in Your Org (2026)](https://hackerxone.com/securing-ai-copilots-agents-in-your-org-2026/): AI copilots now represent one of the largest unaudited attack surfaces in most organizations. From prompt injection to over-privileged tool access, here's how to find the gaps and close them with real commands and tool output.
- [Reverse Engineering CTF Challenges with Ghidra](https://hackerxone.com/reverse-engineering-ctf-challenges-with-ghidra/): Most CTF teams stall on reversing challenges because they never move past surface-level recon. This walkthrough shows you how to load a binary into Ghidra, read decompiled logic, and extract a flag by tracing one obfuscated comparison function — step by step.
- [Burp Suite Pro: Advanced Web App Security Testing](https://hackerxone.com/burp-suite-pro-advanced-web-app-security-testing/): Burp Suite Pro goes far beyond passive proxying — targeted active scans, Intruder payload attacks, and real-time Match and Replace rules expose the vulnerabilities automated tools miss. Here's how practitioners use it in the field.
- [Fileless Malware: Living Off the Land Attack Techniques](https://hackerxone.com/fileless-malware-living-off-the-land-attack-techniques/): Fileless malware abuses built-in tools like PowerShell and WMI to run entirely in memory, leaving nothing for traditional antivirus to scan. Learn exactly how these living-off-the-land attacks work — with real commands — and what defenders can do to catch them.
- [SSRF Attacks: Finding and Exploiting Server-Side Request Forgery](https://hackerxone.com/ssrf-attacks-finding-and-exploiting-server-side-request-forgery/): SSRF lets attackers hijack your server to probe internal networks, steal cloud credentials, and access services that should never be public. Here is how to find it, exploit it, and understand exactly what the output means at each step.
- [Windows Defender Bypass Techniques in 2026](https://hackerxone.com/windows-defender-bypass-techniques-in-2026/): Windows Defender bypass techniques used in 2026 red team engagements rely on AMSI patching, ETW stomping, and LOLBins like MSBuild — no exploits required. Here is exactly how each method works and what defenders need to catch it before it costs them.
- [How Attackers Use LLMs to Automate Phishing at Scale](https://hackerxone.com/how-attackers-use-llms-to-automate-phishing-at-scale/): Attackers are weaponizing Large Language Models to create personalized, grammatically perfect phishing campaigns at unprecedented scale. This deep dive examines real attack frameworks, code examples, and the detection strategies security teams need to defend against AI-powered social engineering.
- [Forensics CTF Methodology: Complete Guide to Evidence Analysis](https://hackerxone.com/forensics-ctf-methodology-complete-guide-to-evidence-analysis/): Master digital forensics CTF challenges with a systematic methodology covering memory analysis, disk forensics, network captures, and steganography. Learn the essential tools, techniques, and workflows used by security professionals to uncover hidden evidence and flags.
- [Wireshark Network Forensics: Advanced Packet Analysis for 2026](https://hackerxone.com/wireshark-network-forensics-advanced-packet-analysis-for-2026/): Master advanced Wireshark techniques for network forensics including C2 detection, lateral movement identification, and automated analysis pipelines. This guide covers real attack scenarios and defense strategies for modern encrypted networks.
- [C2 Frameworks Exposed: How Attackers Maintain Persistence](https://hackerxone.com/c2-frameworks-exposed-how-attackers-maintain-persistence/): Deep technical analysis of how modern C2 frameworks establish and maintain persistence on compromised systems. Covers registry, scheduled tasks, WMI subscriptions, and DLL hijacking with real detection strategies and defense hardening techniques for security practitioners.
- [Advanced SQL Injection: WAF Bypass Techniques That Still Work](https://hackerxone.com/advanced-sql-injection-waf-bypass-techniques-that-still-work/): SQL injection remains a critical threat despite decades of awareness. This technical deep-dive explores advanced WAF bypass techniques including encoding manipulation, parameter pollution, database-specific syntax exploitation, and out-of-band exfiltration—plus practical defense strategies that go beyond signature-based detection.
- [Azure Entra ID Red Team Techniques: 2026 Attack Playbook](https://hackerxone.com/azure-entra-id-red-team-techniques-2026-attack-playbook/): Explore advanced Azure Entra ID red team techniques for 2026, including PRT extraction, OAuth consent phishing, and Conditional Access bypass. Learn practical attack commands alongside defensive countermeasures for identity security professionals.
- [Linux Kernel Exploitation: Understanding the Attack Surface](https://hackerxone.com/linux-kernel-exploitation-understanding-the-attack-surface/): Explore the Linux kernel attack surface from a security researcher's perspective. This technical deep dive covers vulnerability classes, exploitation techniques, modern mitigations, and practical hardening strategies for defending Linux systems.
- [Metasploit Framework: Complete Beginner to Advanced Guide 2026](https://hackerxone.com/metasploit-framework-complete-beginner-to-advanced-guide-2026/): Master Metasploit Framework from initial installation through advanced post-exploitation techniques. This comprehensive guide covers workspace management, exploit selection, payload configuration, lateral movement, and evasion techniques with real-world command examples for security professionals.
- [Malware Reverse Engineering with Ghidra: A Beginner's Guide](https://hackerxone.com/malware-reverse-engineering-with-ghidra-a-beginners-guide/): Master the fundamentals of malware reverse engineering using NSA's Ghidra framework. This beginner's guide covers environment setup, interface navigation, practical analysis of a ransomware dropper, and translating findings into actionable YARA and Sigma detections.
- [Kerberoasting: From Theory to Domain Admin Step by Step](https://hackerxone.com/kerberoasting-from-theory-to-domain-admin-step-by-step/): Master the complete Kerberoasting attack chain from SPN enumeration to Domain Admin compromise. This hands-on guide covers ticket extraction with Rubeus and Impacket, offline cracking strategies, and enterprise hardening techniques including gMSA deployment and detection mechanisms.
- [Prompt Injection Attacks: Real Examples and Defense Strategies](https://hackerxone.com/prompt-injection-attacks-real-examples-and-defense-strategies-2/): Explore real-world prompt injection attack techniques with working code examples, from system prompt extraction to agent hijacking. Learn comprehensive defense strategies including input validation, architectural safeguards, and monitoring approaches to protect LLM-powered applications.
- [Binary Exploitation CTF Challenges: A Step-by-Step Methodology](https://hackerxone.com/binary-exploitation-ctf-challenges-a-step-by-step-methodology-2/): Master binary exploitation in CTF competitions with this systematic methodology covering buffer overflows, ROP chains, format string attacks, and heap exploitation techniques with practical code examples.
- [Nmap Mastery: Advanced Scanning Techniques for Pentesters](https://hackerxone.com/nmap-mastery-advanced-scanning-techniques-for-pentesters/): Master advanced Nmap scanning techniques including idle scans, NSE scripting, and IDS evasion tactics. This comprehensive guide covers sophisticated reconnaissance methods essential for modern penetration testing engagements.
- [Ransomware Anatomy: How Modern Ransomware Works End to End](https://hackerxone.com/ransomware-anatomy-how-modern-ransomware-works-end-to-end-2/): This deep technical analysis dissects modern ransomware operations from initial access through encryption, revealing attacker techniques at each phase with real code examples. Learn how ransomware groups conduct reconnaissance, evade EDR solutions, exfiltrate data, and deploy encryption—plus actionable defense strategies for each attack stage.
- [Buffer Overflow Exploitation From Scratch: Hands-On Guide](https://hackerxone.com/buffer-overflow-exploitation-from-scratch-hands-on-guide-2/): Master buffer overflow exploitation through hands-on examples covering stack analysis, offset calculation, shellcode injection, and ROP chains. This comprehensive guide examines both attack techniques and modern defense strategies essential for security professionals in 2026.
- [Welcome to the New HackerXone — Daily Security Research Starts Now](https://hackerxone.com/welcome-to-the-new-hackerxone-daily-security-research-starts-now/): HackerXone is back with a new focus and daily security research. Expect hands-on technical content on AI Security, Linux, Microsoft, Exploits, Malware, and CTF — every single day.

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