The practice of altering computer hardware and software
to achieve certain goal is known as computer hacking and the people who engages in these activities are called hackers. Since the word "hack" is used in negative sense, some hackers claim that this term is disrespectful and fails to provide appropriate recognition to their skills.

Hacking is classified into two: one is ethical and other is unethical hacking. Ethical hacking is all about understanding the mindset of the hacker which can help to protect your system from possible threats of hacking. As the Internet crimes are increasing day by day, ethical hacking has become a popular career choice for several individuals.

Ethical hacking is the one where the hacker breaks into the security of a computer system or a network to expose the vulnerabilities of security system or the network. As a consultant, career in ethical hacking, has bright prospects considering that the entire world is dependent on the computer technology.

It is not very easy to defend yourself, in case of hacking, it is very difficult to fight the hacker without knowing how they work. various tools have been used by them to hack into a particular system, and in order to understand the methodology of hacker, one need to understand the mindset of the hacker. You can use your own PC to practice ethical system but be careful. To find loopholes in the security, you can try hacking your own PC system. Most of the hackers are less noble and use their skills to steal personal information, but this is considered to be a severe Internet crime and this type of computer hacking can sent you to a federal prison for up to 20 years.

To become the ethical hackers you need to have excellent programming and networking skills, also a good knowledge of several operating systems. You should also have good computer hardware and software knowledge. And the basic requirement to become an ethical hacker is to have a certified ethical hacking or cyber security code.

The one of the most important issue in the ethical hacking is to maintain the privacy of the client's information. The ethical hacker may come across some important information about the user or the company, while working on a project. He should ensure that the information should be kept secret. Also, all the results and electronic formats have to be kept in safe custody.

The foreword of 10g DBA certifications
has been done by Oracle. Oracle rotating up with 10g highlights its reaching third level of DBA certification. You need to emerge successful in 1 exam for Oracle Certified Associate OCA. Further for Oracle Certified expert OCP you not only need to pass one test but also opt for one Oracle-approved course. A Certified Associate or OCA happens to be the initial DBA certification and it can be received by passing “Oracle Database 10g: Administration I” exam. One also needs to opt for one of the company.-approved course for the purpose of completing the requirements put forward by the OCP, which can be done online or in classroom.

You also obtain right of entry to many choices of courses for the OCP course necessity. The most preferred one happens to be “Oracle Database 10g: Administration Workshop II” as it is helpful in the OCP exam preparation in the direct manner. The requirements for new 10g DBA certifications have also been released by Oracle. One can make use of materials that are available for free for the preparation of these exams. Adequate rights have been provided to the vendors to make alterations in the certification programs offered by them and hence you should go through the website of Oracle in a thorough manner.

You should also pay concentration to the terms that are being tinted in certification agreement. Oracle also makes an effort to carry out the redistribution of certification announcements and provides you with certification study assistance. You need to go through an “upgrade test” every time the introduction of new database version is done. This is to keep your certification effectual. The 10g DBA certifications tests are meticulous and the publication of the pass rates is not done by Oracle Corp. As per the calculations nearly 65 percent to 75 percent candidates emerge winning.