Tips for secure data wipe

Sending files to the recycle bin is not enough to eliminate them safely, since with the right programs they could be easily recovered. To do so, you need to use some of the secure data wipe tools that we show you here and thus eliminate any recovery option.

Deleting files does not delete them:

As you surely know, when you delete a file from your hard drive, it does not physically disappear from the storage medium, but its identifying label is modified to indicate to the file system that the space it occupies is available so that, if needed, host the data of another file there.

To achieve a secure erasure and avoid the possibility of recovering any deleted file, it will be necessary to immediately rewrite a series of random and meaningless data (consisting of ones and zeros basically), in order to quickly occupy that space that has been available, and that way hinder the recovery of the files that previously occupied that space.

Mobile Phone Testing: Today we are going to show you how to check the health of your Android mobile phone:

we leave you here the list with the categories and the checks that you will carry out in each one of them.

Display: Checking the touch screen

Sound: Speakers, headphones, microphone, helmets

Movement: Gyroscope, accelerometer, compass

Connectivity: Wi-Fi, Bluetooth, Cellular, GPS

Hardware: Light sensor, charger, vibration, proximity sensor, fingerprint sensor

Camera: front camera, main camera, LED flash

Buy second hand laptop:

  • Check the screen well. There are other aspects that are not so vital and serve to save a few dollars (such as the wear of the corners of a laptop for having moved a lot of sites and have used a case), but the screens are the most expensive to repair.
  • Check the battery. As a general rule, laptops usually have a battery that, if not used properly, is practically non-existent. Maybe in your case, that is not important and with the cable you are worth, but you have to take it into account to assess its price.
  • As for the price you can find real bargains between 20 and 60% cheaper than the original price. Computer scientists usually renew their equipment for their work and do not have too much time.

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