38 CHAPTER 5 Overview of Digital Forensics Tools MacQuisition (BlackBag Technologies) Helix (e-fense) ­ Hardware for Acquisitions. Forensic acquisition hardware comes in the form of write-blockers for protecting original evidence as well as in the form of forensic drive duplicators. There are far too many individual write-blocking products to list them by name. Below is a list of compa- nies that produce and sell write-blocking and drive-duplication products. l Tableau l Logicube l Weibetech l Intelligent Computer Solutions l Voom Technologies l l 5.5 MOBILE DEVICE FORENSICS TOOLS Mobile devices require their own set of unique tools to acquire and analyze the data contained on cell phones, personal data assistants, iPods, iPads and even GPS units.