[saagarjha]

The fact that jailbreaks exist show that the security was broken when you got there, kind of like when you pick a house’s lock you’re not “reducing its security” unless you choose to throw away the lock entirely. You could (and many jailbreaks do) add a better lock.

[whoisburbansky]

Do you have examples of how these better locks work? I'm interested in how these jailbreaks patch over the exploits that led to them working in the first place.

[saagarjha]

Sure, here's one: http://cydia.saurik.com/package/pdfpatch2/