Security

Digitally Sign your Documents with OpenOffice.org

OpenOffice.org

The OpenOffice.org Suite (Database, Presentation, Spreadsheet, Word Processor) also includes a tool for Digital Signatures.
Before you enable the digital signatures feature in OpenOffice.org (recommended by Sun Microsystems), you must obtain a digital certificate and install it on your machine. A digital certificate is a password-protected file that includes a variety of information,including the name and email address of the certificate owner, encryption key, issuing authority, and expiration period. Digital certificates are normally issued by so-called certificate authorities. More»

Posted in Freeware, Open-Source, Security | 2 Comments »

Protect your documents with Digital Signature and KGpg

Transferring files or digital documents from one computer to the other also means exposing them to risks, these documents could be intercepted. It doesn’t matter what method you use to transfer these documents, via Ftp, Samba, Email, NFS etc if it’s not well protected an intruder could pick it up. What if the intruder gets directly to your computer? What can be done to prevent someone from owning our documents?
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LifeHacker – BackTrack 2.0

BackTrack is a live CD Linux distribution that focuses on penetration testing. A merger of two older security-related distros Whax and Auditor Security Collection. BackTrack bundles more than 300 security tools. It is based on the SLAX distribution (a live CD derived from Slackware) and runs a patched 2.6.20 kernel. It offers users both KDE and Fluxbox desktop environments. More»

Posted in Linux Packages, Security, Ubuntu | 3 Comments »

Ophcrack the Windows password cracker

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Ophcrack is a Windows password cracker based on rainbow tables. It is a very efficient implementation of rainbow tables done by the inventors of the method. It comes with a GTK+ Graphical User Interface and runs on Windows, Mac OS X (Intel CPU) as well as on Linux.
Features

Runs on Windows,Linux and Mac OS X (intel).
Cracks LM and NTLM hashes.
Free tables available for alphanumeric LM hashes.
Loads hashes from local SAM, remote SAM.
Loads hashes from encrypted SAM recovered from a Windows partition.

You can download it from HERE.
All you have to do is burn this ISO image to a CD using your favourite burner e.g. Nero, reboot your computer, go into the BIOS and make sure you can boot your Pc from a CD-ROM. Ophcrack would be loaded and in less than 2 minutes, the job is been done. It gives you even the administrators password.

Posted in Linux Distros, Linux Tips and Tricks, Security | 2 Comments »

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