The basic meaning of a hacker is a person with a skilled computer technology, but most of the media is used to refer to "hackers" as computer intruders. White hat hackers have the ability to disrupt computer security without malicious intent. White hats generally have clear definitions of ethics and often try to work with companies to improve identified vulnerabilities. Grey hat hackers for ethical and legal ambiguity. Black hat hackers: black hat hackers - often used to distinguish between black hat hackers and generally (positive) hackers who are rational. The term has been popular since 1983, presumably due to the use of similar pronunciation and the explanation of safe cracker, and it has been translated into a mixture of crime and hacker. Computer security hacks - using password cracking or brute force attack. Software decoder script child (activist hacker) 1) Simple Rangoli: This is the simplest way to create a Rangoli. You can start by seeking the design you need to have on your Rangoli and sketch exactly the same on the piece of black paper that's sufficient to the design to suit. Sketch it lightly in order that it might be erased in case of mistakes. Once you are pleased with the sketched design, outline it with plain white chalk and fill the inner spaces with colored chalks. Finally, it is possible to pin this design around the black paper inside hallway or entrance where everyone is able to find it. Bob Harman, DVM and founder and CEO of Vet-Stem says while therapy for human use is still ahead of time, so many horses and dogs happen to be treated for tendon, ligament and joint injuries and diseases through Vet-Stem and so far the outcomes are actually amazing with many patients stating that the results were immediate.