What is Hacker:
Hacker is a voice of English to refer to a person or a community that has knowledge in the area of computer science and is dedicated to accessing computer systems to make changes to it. Hackers are also known as "hackers”.
The term hacker comes from the verb Hack which means "cut" or "alter”Some object of irregular shape. The current meaning of the term hacker was known from the 50s of the 20th century to designate an intelligent alteration in a machine, social networks and the different connections between computers, originating in the Massachusetts Institute of Technology whose programmers were known as Hackers.
As such, the function of the hackers community is to know in depth the operation of the different computer systems in order to find errors, correct them and solve them.The function of a hacker is to overcome all security systems and, when they overcome them, most of them inform the owners of the systems to improve their security. Within the hackers there are subgroups, the main ones are: wannabe are identified by having desires to belong to this community but are not recognized in it because they are starting out, newbies are characterized by being beginners, they have basic knowledge; Lammers believe they are professional hackers without causing harm to third parties; The gurus are in charge of teaching future hackers, they are known as the teachers, they are not active but they continue to study, practice and explain the basic techniques, phreaker are people with extensive knowledge in modular and mobile phones, among others.
Likewise, there are different types of hackers and they differ by virtue of their functions, such as white hats, also known as white hackers or white hats, are characterized by violating computer systems and discovering errors in them and informing the company about the same and, thus, be able to contribute or improve computer security systems. Sometimes, companies call these hackers to enter the system in order to discover the weaknesses and check or test the security systems. In turn, black hats, known as crawlers, fulfill the opposite functions of the hackers mentioned above since they violate computer security systems, enter restricted areas, steal and delete information; they infect or take over networks, that is, their main function is to perform malicious actions when entering the computer system in order to obtain some benefit.
See also Backup.
Likewise, due to the importance of the results in search engines, techniques began to emerge with the aim of deceiving search engines, which is why the techniques used in order to vitiate the results in an illicit way in the search engines search is known as black hat, some techniques work for a limited period and the web site ends up being penalized by google. Some of the techniques are: link networks, use a color scheme to introduce texts that are not visible to users but are visible to search engine crawlers, among others.
Currently, there are several sites with tutorials or programs that can be used to hack computers, discover Wi-Fi signs, email accounts, among others. Most of the activities of hackers are illegal, so if they are discovered they are prosecuted and can serve a sentence.
Hacker and cracker
The term cracker is derived from the English meaning "to break"Or"break"Computer security systems. Crackers are a community that invades systems, decrypts program keys and passwords, steals data or commits any other illegal activity. With regard to the theft of information, many try to sell the information or publish it in order to inform the public about some fact of interest, however, some do it just for fun.
Hackers use their knowledge to demonstrate the vulnerability of a system and correct it, in turn, crackers modify or damage them to obtain a benefit.