One unfortunate side-effect of our modern buy-everything-online lifestyle: package theft. A box or pile of boxes left sitting on your front stoop makes an easy target for “porch pirates,” some of whom follow delivery trucks and scoop up packages moments after they’re dropped off.

from https://www.cnet.com/how-to/ways-to-keep-packages-from-getting-stolen-off-your-porch/
https://cnet2.cbsistatic.com/img/mUk9T6_Mwln0abMBjqTmFU0F6aM=/620×0/2018/01/09/9be2baef-f4da-4386-89e1-e04ae098ef74/boxlock.jpg