How to lock and unlock your PC/laptop using a USB Pendrive and a software 

You may have seen this one in Hollywood movies. A  guy flicks in a USB pen drive into a computer and it

starts giving out data. How would like a similar setup on your own PC/laptop? Remember, using a login password

is easily hack-able. 

But having a USB lock not only gives that bit of extra security to your computer

but adds a pro hacker like touch. 

 You need a software called Predator. Predator is free

somebody try to access your computer without the USB flash drive, he/she will get a Hollywood-style

“Access Denied” message.

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Here is how to lock and unlock your PC/laptop using Predator

Step 1: Download and install Predator.

Download Predator Home Edition

Download Predator Professional Edition

Step 2: Once Predator launches, plug in a USB pen drive. The point to note is that Predator uses any USB pen

drive and it does not delete or alter any of the pen drive contents. When you insert the USB Pendrive, Predator

will ask you whether you want to create a password. Click OK to continue.

Step 3: In the Preferences window, enter a secure password in the “New password” field. If you lose your USB

pen drive, you can use this password to unlock your computer. Kindly note down this password as it becomes

very useful if you lose your pen drive or it goes corrupt. Predator also allows you to use a password in addition to

USB lock/unlock. If you want this facility, check the Always Required box and you’ll be asked to enter the password each time you use your thumb drive to unlock your PC.

Finally, in the section under Flash Drives, ensure that the correct USB flash drive is selected. When you’re done,

click “Create key” and then OK.

Step 4: Predator will exit. Click the Predator icon in the taskbar to restart the program. A few seconds later, the

icon will turn green, alerting you that Predator is running. Once done, Predator will check every 30 seconds to

see that your USB pen drive is plugged in. If it isn’t, your computer will dim and lockdown.

You can pause Predator at any time select “Pause monitoring” from the taskbar menu. You can also check if

someone accessed your PC/laptop while the Predator was switched on using USB drive from the Predator

activity log.

The only issue with using Predator on your computer is that it locks down one USB port exclusively for the

lock/unlock purpose. However, if you are ok with the Hollywood style locking-unlocking, you should go in for a USB hub to compensate the USB port.

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