In case you're looking for ways to secure your home further, then this Lehigh Victorian security door or this Lehigh Venetian Navajo security door from Home Depot would be something to consider. These Leslie Locke Lehigh white steel security doors are not only durable and strong, they also look nice and would add a bit of structure to any home. Apart from the steel bars, these doors also come with a galvanized metal screen for extra protection. At Home Depot as well as other home improvement stores you can find a couple of different security metal doors which you place outside of your regular front door. This security door will function as an additional barrier if burglers are trying to break into your home and it will simply add an extra level of protection. Of course, it's always a good thing if the metal door also matches the decor of your house overall, therefore pick a model that goes with the overall theme. These doors are all made in white steel, however if you believe that black steel would be more appropriate for your house, then you can find brands that make that as well. 
Lehigh Victorian White Steel 36 In. x 80 In. Security Door
"Leslie-Locke offers a full line of high quality steel security doors to protect and beautify your home. Our doors are tested against three types of force and rated for strength. Leslie-Locke security doors are backed by a one year warranty that covers defects in materials, workmanship and the painted finish of the door. The No If's warranty replaces parts lost prior to installation and parts cut incorrectly during installation. Security products primarily function as a deterrent, not an impenetrable barrier. Security products are intended to restrain, delay and to frustrate the commission of “break-in” crimes." 
Lehigh Venetian Navajo White Steel 36 In. x 80 In. Security Door
"Double hole lockbox with 2-3/8" backset (lockset not included). Mounts outside of door jamb for easy installation, 1" x 2" frame, 1" x 1-1/2" jamb. Galvanized expanded metal screen for added security. 1 year limited warranty" These doors can be purchased at homedepot.com
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