Hacking refers to activities that seek to compromise digital devices, such as computers, smartphones, tablets, and even entire networks. And while hacking might not always be for malicious purposes, nowadays most references to hacking, and hackers, characterize it/them as unlawful activity by cybercriminals-motivated by financial gain, protest, information gathering (spying), and even just for the "fun" of the challenge. Many think that "hacker" refers to some self-taught whiz kid or rogue programmer skilled at modifying computer hardware or software so it can be used in ways outside the original developers' intent. But this is a narrow view that doesn't begin to encompass the wide range of reasons why someone turns to hacking. If you are looking to venture into the world of hacking, this book will teach you all the information you need to know. You'll learn about the prerequisites for hacking, the various types of hackers, and the many kinds of hacking attacks: -Active Attacks -Masquerade Attacks -Replay Attacks -Modification of Messages -Denial of Service or DoS -Spoofing Techniques -Mobile Hacking -Hacking Tools -Penetration Testing -Passive Attacks