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README.md

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+# cipherstorm
+
+> A cultivated archive of hacking, penetration testing, and security e-books — from foundational network defense to cutting-edge offensive research.  
+> Organized by domain, each entry includes year of publication, format (📕 paid / 📖 free), and source links.
+
+Categories include:
+- Penetration Testing
+- Web Application Security
+- Reverse Engineering
+- Malware Analysis
+- Exploit Development
+- Cryptography
+- Incident Response
+- Digital Forensics
+- Social Engineering
+- Security Management & Policy
+
+This collection is for **educational purposes only**.  
+Always respect the law and obtain proper authorization before testing any systems.
+
+_Please read [contribution guidelines](contributing.md) before submitting changes._