\tHackerCrackerThe good people who hack for knowledge purposes.The evil person who breaks into a system for benefits.They are skilled and have a advance knowledge of computers OS and programming languages.They may or may not be skilled, some of crackers just knows a few tricks to steal data.They work in an organisation to help protecting there data and giving them expertise on internet security.These are the person from which hackers protect organisations .Hackers share the knowledge and never damages the data.If they found any loop hole they just delete the data or damages the data.Hackers are the ethical professionals.Crackers are unethical and want to benifit themselves from illegal tasks.Hackers program or hacks to check the integrity and vulnerability strength of a network.Crackers do not make new tools but use someone else tools for there cause and harm the network.Hackers have legal certificates with them e.g CEH certificates.Crackers may or may not have certificates, as there motive is to stay annonymous.\t