How I hacked California’s largest healthcare provider – by mistake. by Stefan Groschupf How I hacked California’s largest healthcare provider – by mistake. by Stefan Groschupf. Share this:PocketEmailMoreFacebookLinkedInRedditTumblrPinterestPrintSkypeWhatsAppTelegramLike this:Like Loading... Related Posted on 2012-01-262012-01-26 Tagged health care provider, security