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I am Shreyansh

Cybersecurity Researcher | White Hat Hacker | Systems Architect.
Independent vulnerability research, cryptographic proofs, and interactive cyber defense laboratories.

[ 📑 RESEARCH_ARTICLES ] [ 🎮 CYBER_ARENA_CTF ] [ 🧠 AI_STUDIO ] [ ACCESS_CODE_LAB ] [ ABOUT_ME ]

Explore_Research

POST-QUANTUM CRYPTOGRAPHY // REVERSE ENGINEERING // KUBERNETES & eBPF // LLM RED TEAMING // MEMORY FORENSICS // CLOUD INFRASTRUCTURE // ZERO TRUST ARCHITECTURE // ACTIVE DIRECTORY DEFENSE // POST-QUANTUM CRYPTOGRAPHY // REVERSE ENGINEERING // KUBERNETES & eBPF // LLM RED TEAMING // MEMORY FORENSICS // CLOUD INFRASTRUCTURE // ZERO TRUST ARCHITECTURE // ACTIVE DIRECTORY DEFENSE //

// EDITORIAL REPOSITORY & PEER-LEVEL DISSERTATIONS

01. Cybersecurity Research Masterclasses

Authoritative, laboratory-verified technical treatises authored by Shreyansh Sharma. Covering kernel memory corruption, post-quantum ciphers, cloud metadata exploitation, and automated malware analysis pipelines.

[ 📚 VIEW ALL 31+ MASTERCLASSES → ]

Threat Intelligence & Digital Forensics 📖 8 MIN READ · 1,459 WORDS

Global Threat Advisory: The “PHP2Shell” Critical RCE & The October 2026 Zero-Day Storm — In-Depth Analysis of CVE-2026-109618, Plex2Shell, Ivanti Edge Breaches & CISA KEV Exploits

An emergency cybersecurity investigation into the October 2026 zero-day surge: Deconstructing PHP2Shell (CVE-2026-109618 & CVE-2026-109619) unauthenticated heap RCE, the Plex2Shell media server botnet wave,...

✓ By Shreyansh Sharma

[ READ_PAPER → ]

AI & Machine Learning Defense 📖 8 MIN READ · 1,520 WORDS

WhatsApp Exposed: Meta’s Secret Internal AI Prompts Leaked — How WhatsApp AI Was Programmed to Suppress Regulators, Silence GDPR & Restrict Account Deletions

An exclusive cybersecurity teardown of Meta's massive privacy leak: How researchers uncovered hidden internal LLM system instructions inside 80+ WhatsApp Help Center pages explicitly...

✓ By Shreyansh Sharma

[ READ_PAPER → ]

Threat Intelligence & Digital Forensics 📖 6 MIN READ · 1,093 WORDS

Post-Quantum Cryptography: Lattice-Based Cryptography, ML-KEM (Kyber) & ML-DSA (Dilithium) Standards

A comprehensive mathematical and implementation guide to NIST post-quantum cryptographic standards: Learning With Errors (LWE), CRYSTALS-Kyber, and Dilithium signatures.

✓ By Shreyansh Sharma

[ READ_PAPER → ]

Threat Intelligence & Digital Forensics 📖 6 MIN READ · 1,148 WORDS

Deobfuscating PowerShell & Living-off-the-Land Binaries: AST Parsing, AMSI Internals & Script Block Logging

Techniques for analyzing heavily obfuscated PowerShell payloads, dissecting AMSI memory patching, and automating deobfuscation via Abstract Syntax Trees (AST).

✓ By Shreyansh Sharma

[ READ_PAPER → ]

Threat Intelligence & Digital Forensics 📖 6 MIN READ · 1,070 WORDS

Passkeys & FIDO2 Architecture: WebAuthn Protocol Flow, Attestation & Phishing-Resistant Authentication

A deep dive into passwordless authentication: WebAuthn cryptographic flows, client-to-authenticator protocol (CTAP2), private key enclave storage, and enterprise passkey migration.

✓ By Shreyansh Sharma

[ READ_PAPER → ]

Threat Intelligence & Digital Forensics 📖 6 MIN READ · 1,185 WORDS

Cyber Threat Intelligence Frameworks: The Diamond Model, Kill Chain Integration & MITRE D3FEND Countermeasures

Operationalizing threat intelligence using the Diamond Model of Intrusion Analysis, Lockheed Martin Cyber Kill Chain, and proactive MITRE D3FEND mapping.

✓ By Shreyansh Sharma

[ READ_PAPER → ]

Looking for Specific Protocols, Ciphers, or Hardening Guides?

Browse our searchable repository of 31+ peer-reviewed cybersecurity masterclasses and mitigation blueprints.

[ 📑 OPEN RESEARCH KNOWLEDGE BASE ]

// INTERACTIVE COMPUTATION NODES

02. Interactive Defense Labs & AI Studio

Hands-on training grounds for students, security operatives, and AI engineers. Execute simulated exploits, decode multi-layer ciphers, and inspect neural network attention weights in real-time.

// HANDS-ON CYBER TRAINING

Cyber Learning Arena & CTF

Interactive training grounds for cyber students and ethical hackers. Capture flags across Cryptography, OWASP Web Vulnerabilities, Linux Exploitation, AI Security, and Digital Forensics with our live browser terminal.

[ 🎮 ENTER_TRAINING_ARENA ] [ 💻 OPEN_CODE_LAB ]

> ARENA_METRICS_HUD

• 25+ Interactive CTF Missions

• Live Virtual Linux Shell

• Multi-Cipher Swiss Decoder

• Global Operative Leaderboard

• Official Operative Dossier

// AESTHETIC INTERACTIVE LEARNING

Artificial Intelligence & Deep Learning Studio

A studio-grade interactive laboratory for students and researchers. Experiment with Gradient Descent, Neural Network Forward-Pass, Transformer Self-Attention Heatmaps, and Prompt Injection Defense in real-time.

[ 🧠 LAUNCH_AI_STUDIO ]

> AI_CURRICULUM_TRACKS

• 01. Math & Gradient Descent

• 02. K-Means & Decision Trees

• 03. MLP & CNN Convolutions

• 04. Transformer Self-Attention

• 05. Adversarial Prompt Defense

// THREAT HUNTING & DFIR TELEMETRY

03. Advanced Threat Intelligence & DFIR

Forensic artifact extraction, Living-off-the-Land obfuscation analysis, and Sigma detection engineering mapped directly to the MITRE ATT&CK framework.

[ THREAT_INTEL_DISPATCH ]

Cyber Threat Intelligence Frameworks: The Diamond Model, Kill Chain Integration & MITRE D3FEND Countermeasures

Operationalizing threat intelligence using the Diamond Model of Intrusion Analysis, Lockheed Martin Cyber Kill Chain, and proactive MITRE D3FEND mapping.

[ THREAT_INTEL_DISPATCH ]

Global Threat Advisory: The “PHP2Shell” Critical RCE & The October 2026 Zero-Day Storm — In-Depth Analysis of CVE-2026-109618, Plex2Shell, Ivanti Edge Breaches & CISA KEV Exploits

An emergency cybersecurity investigation into the October 2026 zero-day surge: Deconstructing PHP2Shell (CVE-2026-109618 & CVE-2026-109619) unauthenticated heap RCE, the Plex2Shell media server...

[ THREAT_INTEL_DISPATCH ]

Detection Engineering: Crafting High-Fidelity Sigma Rules, MITRE ATT&CK Mapping & False-Positive Elimination

A practical methodology for modern SOC detection engineers: transforming threat intelligence into high-fidelity Sigma rules, SIEM query translation, and alert tuning.