With all the gadgets and devices we post about, there’s plenty of merit in veering a little closer to some USB hardware fundamentals and how it communicates with your computer. To highlight this importance, a UDISK Drive and its internal functionality will serve as a comparison.
Account security is one of the most vital pieces of the busy and interconnected world right now and nobody wants strangers accessing their personal information online. You might use a password manager as well as two-factor authentication like we mentioned in a previous post, but now there’s another way to stay protected.
Police dogs have yet another smell they must detect. Tactical Detection K9 company now trains dogs to sniff out SD cards and USB sticks. The training is in response to better assisting law enforcement in child pornography investigations.
The percentage of a dog’s brain which is devoted to analyzing smells is 40 times greater than humans. For example, humans can detect about 5 million scents and a German Shepherd can detect around 225 million smells.
In a recent investigation a dog was used in the FBI raid of the home of the former Subway spokesman Jared Fogle in Hancock County, Indiana.
What could take investigators hours to find an SD card or USB stick in a house would take a trained dog considerably less time, probably no more than 30 minutes.
According to Tactical Detection K9 it took scientists over four years to isolate the odor associated with memory devices. Now that a specific odor has been identified it takes 8-9 months for a dog to be trained in picking up that scent.
A dog which can sniff out SD and USB sticks can cost upwards of $9,000.
Source: IB Times and Dummies.com .
Sometimes you will connect a USB to the PC and get an error message saying the drive has a GPT Protective Partition and you cannot format the drive. Here is the fix to resolve the issue:
First, what is a GPT USB stick? The GUID Partition Table (GPT) is the successor to the Master Boot Record. The MBR was created by IBM back in the early 90s. The problem with MBR is the limitation to partition table sizes which is 2 Terabytes.
Since there are no 2T USB flash drives (at the time of this post), there is no need to use GPT as your partition table.
Removing the GPT Protected Partition can be accomplished through the Windows Diskpart program.
- Determine the Disk Number for the USB GPT-protected drive. To do this, perform the following:
- Right-click on (My) Computer.
- Choose Manage.
- Select Disk Management (listed under Storage).
- Look for the drive that is identified as GPT and note the Disk number (such as Disk 1).
Format USB GPT Protected Partition
- Now, open a Command Window. From the command prompt, type diskpart and press Enter.
- The diskpart prompt will open.
- From the diskpart prompt, type list disk and press Enter. A list of disks will appear in a text format. You will return to the diskpart prompt.
- From the diskpart prompt, type select disk disknumber (in this example from the screen shot above, you would type select disk 1)and press Enter. A message appears saying that the disk is selected. You will return to the diskpart prompt.
- From the diskpart prompt, type clean and press Enter. At this point the drive’s partition and signature a removed. You will return to the diskpart prompt.
- From the diskpart prompt, type exit and press Enter. Type exit once more to close the Command Window.
There are two ways to make a USB stick read only. One way is a universal solution and is 100% permanent, the other way is PC specific and a good deterrent. When we say 100% permanent, this means the USB stick is read only (write protected) on all computers, whether it be a Mac, PC, Linux, etc type computer, the USB is read only and the status cannot be changed. The other method flags a USB device to be read only in relationship to the PC it is connected to so that whenever that USB stick is connected to that computer, it makes the USB read only and blocks all write commands to the device.
Most times an IT manager or content owner wants the USB stick to be read only so the files cannot be deleted or formatted of the drive. Another reason for making a USB read only is for the original files to remain the same and blocks the ability for files to be changed or manipulated. Finally, it’s smart to have USBs read only so that virus’ don’t jump onto the drive and possibly spread to other computers.
Let us start with the less permanent way because it’s easier to do and doesn’t require any specific hardware. You will need a Windows7 machine or higher. The Windows7 machine will have DiskPart utility which allows us to perform all sorts of cool things to flash drives, like setting write protection.
- Connect the USB to your Windows computer.
- To begin, go to your Windows Start and in the Search Field type “cmd”
This will run your Command prompt.
- Next, you will want to get to the C root of the Command prompt and if you are signed in as a user you can simply type cd\ this will get you back to the root of the C drive.
- Type DISKPART
- Type LIST DISK
Now you will need to find the USB stick connected to your PC. Most likely it’s DISK 1
One of the most classic and – yet still perversely prevalent – issues IT staff face is resetting Windows passwords for users who have forgotten them (again). While remote administration has reduced the need to physically reactivate and reset passwords in most scenarios, a copy of L0phtcrack still remains in every experienced admins ‘toolbox’. Of course, having to reboot the system and use a copy of Bart PE or other portable OS’ to run L0phtcrack has a PITA factor all its own.
Well, it seems that entrepreneur Jonty Lovell has done something about it as the all new – and fully funded – Password Reset Key has been designed to take the hassle out of this common issue. In fact, as long as you have physical access to the system even home owners can now reset their forgotten password within mere moments.
The secret to the Password Reset Key is the fact that it combines a key shaped 1GB flash drive – available in black, stainless steel, or ‘gold’ – with a simple OS that auto-loads his custom software upon startup. Just as with L0phtcrack, with a simple click or three, you can scan, reset and even test how secure a given systems login passwords are. Because of its ‘key’ form factor, it will be hard to lose as you can simply stick on your keychain and always have it close at hand. However, be warned that this $15 – $50 device (depending on which option to choose) may get you in trouble with your IT staff as resetting the ‘administrator’ password will greatly ‘annoy’ them if they find out.