Jonathan A. Zdziarski eBooks

Join author John Zdziarski for a look inside the brilliant minds that have conceived clever new ways to fight spam in all its nefarious forms. This landmark title describes, in-depth, how statistical filtering is being used by next-generation spam filters to identify and filter unwanted messages, how spam filtering works and how language classification and machine learning combine to produce remarkably accurate spam filters.After reading Ending Spam, you'll have a complete understanding of the mathematical approaches used by today's spam filters as well as decoding, tokenization, various algorithms (including Bayesian analysis and Markovian discrimination) and the benefits of using open-source solutions to end spam. Zdziarski interviewed creators of ...

If you're an app developer with a solid foundation in Objective-C, this book is an absolute must chances are very high that your company's iOS applications are vulnerable to attack. That's because malicious attackers now use an arsenal of tools to reverse-engineer, trace, and manipulate applications in ways that most programmers aren't aware of. This guide illustrates several types of iOS attacks, as well as the tools and techniques that hackers use. You'll learn best practices to help protect your applications, and discover how important it is to understand and strategize like your adversary. Examine subtle vulnerabilities in real-world applications and avoid the same problems in your apps Learn how attackers infect apps with malware through code in...

This practical book offers the knowledge and code you need to create cutting-edge mobile applications and games for the iPhone and iPod Touch, using Apple's iPhone SDK. iPhone SDK Application Development introduces you to this development paradigm and the Objective-C language it uses with numerous examples, and also walks you through the many SDK frameworks necessary for designing full-featured applications. This book will help you: Design user interface elements with Interface Builder and the UI Kit framework Create application controls, such as windows and navigation bars Build and manage layers and transformations using Core Graphics and Quartz Core Mix and play sound files using AVFoundation, and record and play back digital sound streams usin...

Certain technologies bring out everyone's hidden geek, and iPhone did the moment it was released. Even though Apple created iPhone as a closed device, tens of thousands of developers bought them with the express purpose of designing and running third-party software. In this clear and concise book, veteran hacker Jonathan Zdziarski -- one of the original hackers of the iPhone -- explains the iPhone's native environment and how you can build software for this device using its Objective-C, C, and C++ development frameworks.iPhone Open Application Development walks you through the iPhone's native development environment, offers an overview of the Objective-C language you'll use with it, and supplies background for the iPhone operating system. You also ge...

"This book is a must for anyone attempting to examine the iPhone. The level of forensic detail is excellent. If only all guides to forensics were written with this clarity!" -Andrew Sheldon, Director of Evidence Talks, computer forensics experts With iPhone use increasing in business networks, IT and security professionals face a serious challenge: these devices store an enormous amount of information. If your staff conducts business with an iPhone, you need to know how to recover, analyze, and securely destroy sensitive data. iPhone Forensics supplies the knowledge necessary to conduct complete and highly specialized forensic analysis of the iPhone, iPhone 3G, and iPod Touch. This book helps you:Determine what type of data is stored on the...