This is a brief whitepaper on how to find savedata exploits on Sony PlayStation Vita (PS Vita).
You can download it from the following link: https://packetstormsecurity.com/files/download/154265/sonypsvita-savedata.txt
Source: https://packetstormsecurity.com/files/154265/Sony-PlayStation-Vita-PS-Vita-How-To-Find-Savedata-Exploits.html