Secure thanks to you, Mu: There's nothing quite like a vulnerability to expose your organization's confidential data to malicious types. If you're among the IT admins of the world like to plug those security holes, InfoWorld Contributing Editor and Security Adviser Roger Grimes has found an excellent solution: the Mu-4000 appliance. The box "uses intelligent fuzzing logic to expose security weaknesses and perfor Secure thanks to you, Mu: There’s nothing quite like a vulnerability to expose your organization’s confidential data to malicious types. If you’re among the IT admins of the world like to plug those security holes, InfoWorld Contributing Editor and Security Adviser Roger Grimes has found an excellent solution: the Mu-4000 appliance. The box “uses intelligent fuzzing logic to expose security weaknesses and performance issues in any device that talks to a network,” Grimes writes. We also have a nifty slideshow presentation of the appliance at work.Open a box of virtualization: If you’re in the market for an open-source desktop-virtualization alternative to VMware Workstation, you might check out innotek VirtualBox 1.5.2, just reviewed by InfoWorld Contributing Editor and Enterprise Desktop Blogger Randall Kennedy. While not without its flaws, the product has evolved nicely in recent months, proving an “extensible, modular desktop VM platform” that “shines with unique virtualization features,” Kennedy writes. Mandriva in a flash: Strategic Developer Martin Heller gots his mitts on a nifty gadget aimed at Linux users who like to travel light. Mandriva is offering a bootable 4GB Flash drive containing a portable version of Mandriva Linux 2008. “The general idea is that you can take this little memory stick with you and be able to run Linux from it, do Internet and Office tasks with Firefox, Thunderbird, and OpenOffice, and save your files to the free space on the drive,” Heller writes. Technology Industry