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Welcome to Defuse Security
Please feel free to check out, download, and share some of our free software, services, and research...
Top 8 Pages
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12211
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Online x86 / x64 Assembler
Assemble x86 and x64 code in your browser!
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7683
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Big Number Calculator
A tool for calculating with huge numbers.
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2362
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PIE Bin
A pastebin with both client-side and server-side encryption.
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1553
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Online Hash Calculator
A tool for computing hashes (MD5, SHA1, SHA2, etc.) of text and files.
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1492
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Timing Side Channel Port Scanner in the Browser
How web pages can use a timing side channel to "scan" your local network.
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1378
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Password Policy Hall of Shame
A list of web sites that store passwords in plain text, restrict password length, or restrict password characters
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1293
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PBKDF2 for PHP
A fast implementation of the PBKDF2 key stretching function in PHP.
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1249
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EncFS Security Audit
The results of an EncFS security audit.
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Services
- PIE BIN
"Pre-Internet Encryption for Text" - A pastebin with client-side (JavaScript) encryption. - CrackStation.net Hash Cracker
A HUGE database of precomputed password hashes, rainbow tables, and more. - TRENT - Trusted Random Entropy
A trusted third party for doing online drawings, contests, or anything else that needs unbiased random numbers. - Online x86 / x64 Assembler
Convert any x86 or x64 intel assembly language code into the bytes the CPU executes. Useful for shellcode development and reverse engineering. - Big Number Calculator
A calculator for obtaining the decimal representation of very large numbers.
Software
- Password Generator
Ultra-random Windows, Linux, and UNIX password generator. - "HelloWorld!" Secure CMS for PHP
A very lightweight, but very secure, Content Management System for PHP. - PHP Hash Cracker
A versatile hash cracking script written in PHP. - Backup Verification Script (Ruby)
A probabilistic recursive directory comparison tool. - Sockstress
A C implementation of the sockstress attack discovered in 2008.
Security Research
- How to Hash Passwords (The Right Way)
A detailed explanation of why passwords need to be hashed, and how to do it right. - Password Policy Hall of Shame
A list of websites that probably aren't hashing their users' passwords. - NTFS File System Events Filename Disclosure
It is possible to view the names of files in protected NTFS folders while they are being created or modified. - PUP Confusion
Evading antivirus detection using PUPs - Potentially Unwanted Programs.
... we hope you find our pages useful. Thanks for visiting!