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COMPUTER HACKING
Computer
hacking
is the practice of modifying computer hardware and software to accomplish a goal
outside of the creator’s original purpose. People who engage in computer hacking
activities are often called
hackers.
Since the word “hack” has long been used to describe someone who is incompetent
at his/her profession, some hackers claim this term is offensive and fails to
give appropriate recognition to their skills.
Hacking is most
common among teenagers and young people, although there are many older hackers
too. Many hackers are true technology buffs who enjoy learning more about how
computers work and consider computer hacking as an form. They often enjoy
programming and have expert-level skills in one particular program. For these
individuals, computer hacking is a real life application of their
problem-solving skills. It’s a chance to demonstrate their abilities, not an
opportunity to harm others.
Since a large number
of hackers are self-taught prodigies, but there are some
organizations
who actually employ computer hackers as part of their technical support staff.
These individuals use their skills to find flaws in the company’s security
system so that they can be repaired quickly. In many cases, this type of
computer hacking helps prevent
identity theft
and other serious computer-related crimes.
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HACKING HISTORY
Computer hackers
have existed almost as long as computers. In fact, "hackers" have been in
existence for more than a century. In 1878, just two years after the telephone
was invented by Alexander Graham Bell, a group of teenage boys hired to run the
switchboards were kicked off a telephone system in New York. The reason? The
BOYS were more interested in knowing how the phone system worked than IN making
proper connections and directing calls to the correct place. In essence, they
were trying to "hack" the system to see how it worked.
Originally, "hacker"
did not carry the negative connotations now associated with the term. In the
late 1950s and early 1960s, computers were much different.
A Brief History
One might not
suspect that the art,
computer hacking
was created at one of the havens for technological excellence. students
developed the technique and borrowed their name from the "hackers" of the late
1800s who found amusement in pranking the emerging telephone companies. Getting
their laughs and skills from hacking and cracking into primitive computers and
exploiting the Arpanet (predecessor to the internet), they created a novelty
that would become the target of federal crackdown in years to come. To define
hacking in short, we can say that an artistic criminal offense of breaking into
another remote system without the owner's consent for the purpose of stealing
information is what is hacking.
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However, the act of hacking started out innocently, and was basically a method
of trying to figure out how computer systems worked. The 1970s saw the rise in "phreaking,"
or phone hacking, headed by John Draper. This method allowed the user of a "blue
box,", when used with a Captain Crunch whistle of 2600 hertz which accessed the
AT&T long distance system, to make free long distance calls. Hackers initiated
with accessing the free phone calls through a varied range of sources, thereby
managing to circumvent into the nation's radio system and the phoning system
resulting in a tremendous phone fraud nationwide.
After the age of "phreaking," computers became not only the target, but also the
forum, for a growing hacker population to communicate. The creation of bulletin
board systems (BBS) allowed this communication and the technological possibility
of more serious government and credit card hacking became possible. At this time
in the early 80's, hacking groups such as the Legion of Doom began to emerge in
the United States, giving organization, and thus more power to hackers across
the country.
Once this happened, breaking into the computers became a legitimate activity,
with its own groups and soon its own voice with the 2600 magazine, launched in
1984. The effects of computer hacking were serious. Two years later, inevitably,
Congress launched the Computer Fraud and Abuse Act that outlawed hacking. Over
the years, there was a series of noticeable occurrences as the worst
consequential effect of computer hacking on more high profile cases, such as the
Morris Worm, responsible for infecting government and university systems, and
the Mitnick case in 1995, which captured Kevin Mitnick, steeling as many as
20000 credit card numbers.
In 1999, security software became widely known by the public, and with the
release of new Windows programs, which were littered with security weaknesses,
they became successful because of necessity. This fraudulent act of computer
hacking is perhaps the major problem, confronting the rapidly expanding
population of Internet users today, with the systems still trying to battle
online hackers.
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TYPES OF HACKERS
There are basically two types of
hackers: -
1. BLACK HAT HACKER
They are also called "crackers", are
hackers
who specialize in unauthorized penetration. They may use computers to attack
systems for profit, for fun, or for political motivations or as a part of a
social cause. Such penetration often involves modification and/or destruction of
data, and is done without authorization and hence they should not be confused
with ethical hackers.
They also may distribute
computer viruses,
Internet worms, and
deliver
spam
through the use of
botnets. The term
may also refer to hackers who crack
software
to remove protection methods: copy prevention, trial/demo version, serial
number, hardware key, date checks, CD check (NO-CD) or software annoyances like
nag screens
and
adware.
2. WHITE HAT HACKER
White hat
hackers, also known
as "ethical hackers," are computer security experts, who specialize in
penetration testing,
and other testing methodologies, to ensure that a company's
information systems
are secure. Such people are employed by companies where these professionals are
sometimes called "sneakers."
Groups of these people are often called
tiger teams
or red teams. These security experts may utilize a variety of methods to carry
out their tests, including
social engineering
tactics, use of hacking tools, and attempts to evade security to gain entry into
secured areas.
The
National Security Agency
offers certifications such as the
CNSS 4011. Such a
certification covers orderly, ethical hacking techniques and team management.
Aggressor teams are called "red" teams. Defender teams are called "blue" teams.
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BASICS OF HACKING
Certainly you have
many sources of information available that can give
computer hacking
basics. There is actually some misconception about who a real hacker is. Hacking
computers is performed by one who knows computers very well - even the extra
tricks of a computer and electronics. Any one can easily tweek these
according to his needs and become hacker. This is the way the term used when
Bill Gates was inventing Windows.
Those who are often referred to as hackers today, should actually be called
"crackers" - people who do not have unauthorized access, like a safe-cracker. If
you doubt me, and want to know how to be a hacker then do a search on the term
"professional hacker," and you will find many professional and legitimate
computer training courses being offered. They are the ones learning the real
hacker secrets.
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HOW
TO BECOME HACKER
Everyone has heard of one individual or another that was caught
while hacking computers that belonged to this or that organization. Because
hacking into computers is highly illegal and punishable, it should be mentioned
that this article will not mention any real specifics about the subject, and we
would rather gladly encourage you to become a real hacker - professionally.
This para, will however, give a brief overview of criminal hackers, some of
their methods, and a few things you can do to make your own computer safer from
hack attacks. Here are those things you need to learn on how to become a hacker.
STEPS TO BE A HACKER
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ADOPT THE MINDSET OF A HACKER
Hackers
solve problems and build things,
and they believe in freedom and voluntary mutual help. To be accepted as a
hacker, you have to behave as though you have this kind of attitude
yourself. And to behave as though you have the attitude, you have to really
believe the attitude. So, if you want to be a hacker, repeat the following
things until you believe them:
-
The world is full of fascinating problems waiting to be
solved. Successful athletes get their motivation from a kind of physical
delight in making their bodies perform, in pushing themselves past their
own physical limits. Similarly, you have to get a basic thrill from
solving problems, sharpening your skills, and exercising your
intelligence.
-
No problem should ever have to be solved twice. The
thinking time of other hackers is precious - so much so that it's almost
a moral duty for you to share information, solve problems and then give
the solutions away just so other hackers can solve new problems instead
of having to perpetually re-address old ones.
-
Boredom and drudgery are evil. When hackers are bored or
have to drudge at stupid repetitive work, they aren't doing what only
they can do - solve new problems. To behave like a hacker, you have to
want to automate away the boring bits as much as possible.
-
Freedom is good. The authoritarian attitude has to be
fought wherever you find it, lest it smother you and other hackers. Not
all authority figures are authoritarian, however; authoritarians thrive
on censorship and secrecy. And they distrust voluntary cooperation and
information-sharing.
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Attitude is no substitute for competence.
Hackers won't let posers waste their time, but they worship competence -
especially competence at hacking, but competence at anything is valued.
Competence at demanding skills that few can master is especially good,
and competence at demanding skills that involve mental acuteness, craft,
and concentration is best.
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LEARN HOW
TO PROGRAM
The best way to
learn is to read some stuff written by masters of the form, write some
things yourself, read a lot more, write a little more, read a lot more,
write some more, and repeat until your writing begins to develop the kind of
strength and economy you see in your models. To be a real hacker, however,
you need to get to the point where you can learn a new language in days by
relating what's in the manual to what you already know. This means you
should learn several very different languages. Besides being the most
important hacking languages, the following represent very different
approaches to programming, and each will educate you in valuable ways.
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Python is a good language to start off with
because it's cleanly designed, well documented, and relatively kind to
beginners. Despite being a good first language, it is not just a toy; it
is very powerful and flexible and well suited for large projects.
Java is an alternative, but
its value as a first programming language has been questioned.
-
If you get into serious programming, you will have to
learn , the core language of Unix (C++
is very closely related to C; if you know one, learning the other will
not be difficult). C is very efficient with your machine's resources,
but will soak up huge amounts of your time on debugging and is often
avoided for that reason (unless machine efficiency is essential).
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Perl
is worth learning for practical reasons; it's very widely used for
active web pages and system administration, so that even if you never
write Perl you should learn to read it. Many people use Perl to avoid C
programming on jobs that don't require C's machine efficiency.
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LISP is worth learning for a different reason - the
profound enlightenment experience you will have when you finally get it.
That experience will make you a better programmer for the rest of your
days, even if you never actually use LISP itself a lot. You can get some
beginning experience with LISP fairly easily by writing and modifying
editing modes for the Emacs text editor, or Script-Fu plugins for the
GIMP.
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GET ONE OF THE OPEN SOURCE
Get one of the open-source Unixes
and learn to use
and run it. Unix is the operating system of the Internet. While you can
learn to use the Internet without knowing Unix, you can't be an Internet
hacker without understanding Unix. For this reason, the hacker culture today
is pretty strongly Unix-centered. So, bring up a Unix (like
Linux
but there are other ways and yes, you can run both Linux and Microsoft
Windows on the same machine). Learn it. Run it. Tinker with it. Talk to the
Internet with it. Read the code. Modify the code.
-
There are other operating systems in the world besides
Unix. But they're distributed in binary - you can't read the code, and
you can't modify it. Trying to learn to hack on a Microsoft Windows
machine or under any other closed-source system is like trying to learn
to dance while wearing a body cast. Under Mac OS X it's possible, but
only part of the system is open source, you're likely to hit a lot of
walls, and you have to be careful not to develop the bad habit of
depending on Apple's proprietary code.
-
Download Linux online or (better idea) find a local Linux user group to
help you with installation.
-
While other
distros have their own areas of strength,
Ubuntu
is far and away the most accessible to Linux newbies.
-
A good way
to dip your toes in the water is to boot up what Linux fans call a live
CD, a distribution that runs entirely off a CD without having to modify
your hard disk. This will be slow, because CDs are slow, but it's a way
to get a look at the possibilities without having to do anything
drastic.
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-
LEARN HOW TO USE THE WORLD WIDE WEB AND WRITE
WRITE HTML
Most of the things the hacker culture has built do their work out of sight,
helping run factories and offices and universities without any obvious
impact on how non-hackers live. The Web is the one big exception, the huge
shiny hacker toy that even politicians admit has changed the world. For this
reason alone (and a lot of other good ones as well) you need to learn how to
work the Web. This doesn't just mean learning how to drive a browser (anyone
can do that), but learning
how to write HTML, the Web's
markup language. If you don't know how to program, writing HTML will teach
you some mental habits that will help you learn. So build a home page. Try
to stick to
XHTML, which is a cleaner
language than classic
HTML.
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IF YOU DON'T HAVE FUNCTIONAL ENGLISH, LEARN
IT:
English is the working language of the hacker culture and the Internet, and
you will need to know it to function in the hacker community. Translations
of technical books written in English are often unsatisfactory (when they
get done at all). Being a native English-speaker does not guarantee that you
have language skills good enough to function as a hacker. If your writing is
semi-literate, ungrammatical, and riddled with misspellings, many hackers
will tend to ignore you. While sloppy writing does not invariably mean
sloppy thinking, the correlation is strong. If you can't yet write
competently, learn to.
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EARN RESPECT AS A HACKER
: Like most cultures without a money economy, hackerdom runs on
reputation. You're trying to solve interesting problems, but how interesting
they are, and whether your solutions are really good, is something that only
your technical peers or superiors are normally equipped to judge. This is
why you aren't really a hacker until other hackers consistently call you
one. Specifically, hackerdom is what anthropologists call a gift culture.
You gain status and reputation in it not by dominating other people, nor by
being beautiful, nor by having things other people want, but rather by
giving things away: your time, your creativity, and the results of your
skill.
-
Write
open-source software. Write
programs that other hackers think are fun or useful, and give the
program sources away to the whole hacker culture to use. Hackerdom's
most revered demigods are people who have written large, capable
programs that met a widespread need and given them away, so that now
everyone uses them.
-
Help test
and debug open-source software. Any open-source author who's thinking
will tell you that good beta-testers (who know how to describe symptoms
clearly, localize problems well, can tolerate bugs in a quickie release,
and are willing to apply a few simple diagnostic routines) are worth
their weight in rubies. Try to find a program under development that
you're interested in and be a good beta-tester. There's a natural
progression from helping test programs to helping debug them to helping
modify them. You'll learn a lot this way, and generate
good karma
with people who will help you later on.
-
Publish useful information. Another good thing is to collect and filter
useful and interesting information into web pages or documents like
Frequently Asked Questions (FAQ) lists, and make those generally
available. Maintainers of major technical FAQs get almost as much
respect as open-source authors.
-
Help keep
the infrastructure working. The hacker culture (and the engineering
development of the Internet, for that matter) is run by volunteers.
There's a lot of necessary but unglamorous work that needs done to keep
it going - administering mailing lists, moderating newsgroups,
maintaining large software archive sites, developing RFCs and other
technical standards. People who do this sort of thing well get a lot of
respect, because everybody knows these jobs are huge time sinks and not
as much fun as playing with code. Doing them shows dedication.
-
Serve the
hacker culture itself. This is not something you'll be positioned to do
until you've been around for while and become well-known for one of the
four previous items. The hacker culture doesn't have leaders, exactly,
but it does have culture heroes and tribal elders and historians and
spokespeople. When you've been in the trenches long enough, you may grow
into one of these. Beware: hackers distrust blatant ego in their tribal
elders, so visibly reaching for this kind of fame is dangerous. Rather
than striving for it, you have to sort of position yourself so it drops
in your lap, and then be
modest
and
gracious
about your status.
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HACKERS ATTITUDE
Hackers solve
problems and build things, and they believe in freedom and voluntary mutual
help. To be accepted as a hacker, you have to behave as though you have this
kind of attitude yourself. And to behave as though you have the attitude, you
have to really believe the attitude.
But if you think of
cultivating hacker attitudes as just a way to gain acceptance in the culture,
you'll miss the point. Becoming the kind of person who believes these things is
important for you - for helping you learn and keeping you motivated. As
with all creative arts, the most effective way to become a master is to imitate
the mind-set of masters, not just intellectually but emotionally as well.
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HACKERS & CRACKERS
In order to study the comparison the between the hackers and
crackers, it is important to understand the respective definitions. While
apparently the words hacking and cracking seems synonymous, yet there exist
certain points of distinctions between the two and the meaning of the words will
always be heated topics of debate. unattainable have went on opening new
horizons in almost every aspects of life, and the technology is of no exception
to this nature of human
AIMS OF HACKERS AND CRACKERS
The computer hackers actually trespass or circumvent artistically, yet
scientifically into the other computer system with a hunger to know the
programmable systems, how they perform and their internal structures, while
cracking is slight different in sense. Cracking means to break off the
computer's security system. This is a subject matter of hard-core science with
an aesthetic undertone of artistic skill that has attracted a few millions of
teenagers and young adults all over the world.
WHO IS A HACKER AND WHAT IS HIS
AIM
Delving deep into the concepts, we can compare the hackers and crackers. A
hacker is a person who commits the fraudulent act or the penal offense of
exploring into the other computers in order to know the details of the
programmable system and how they work. On the other level, a cracker is a person
just more secretive as compared to the hacker. The cracker breaks through the
system's security and proves to be far more dangerous than the hackers who just
quench his or her thirst by simply discovering the workings of a system.
Hence the crackers can potentially be much more perilous as compared to the
hackers. While it is often believed that the hacking is simply exploring into
the other computer system with an intention to know how the programmable system
works, which is not a fraudulent task unless any sort of vandalism and theft is
done by this, another huge section stands strictly against the view and look at
the act from the view point of a crime.
WHO IS A CRACKER AND WHAT IS HIS AIM?
A cracker is a technical person who has mastered the art of
breaking systems, often not for acquiring knowledge, by the dint of few programs
and softwares used as tools. They are more interested in the system's security
without the need of great deal of knowledge, thereby not benefiting much.
On the other hand, a hacker who cracks and hacks systems is not only interested
in breaking the security of the system but also in knowing about the system's
details, by which he gains much more than by simply cracking systems. Unlike a
cracker, a hacker generally does not have intention destroy data maliciously or
to steel things.
A cracker who is often termed to be a cyber burglar brings out significant harm
to the network or steels the information like passwords or credit card numbers.
A Trojan is capable enough to recognize and record even every single keystroke
that you make. Hence even if you do not store any personal or financial records
in your system, the hackers can still be able to obtain the information by
recognizing the keystrokes.
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PREVENTING HACKING
HACKER TRICKS AND PREVENTION TECHNIQUES
In movies or TV series where hackers are involved, we may have
seen them apply their computer knowledge in order to perform certain hacker
tricks that saved the day. Swordfish", hackers have been able to elevate
themselves to the level of heroes with only a keyboard and a mouse. However,
hackers attacks and hacker prevention is more difficulty, and complex, in real
life.
Hollywood has a tendency to oversimplify things so the general public can
understand them. After all, only a small percentage of the population has enough
skills to perform this kind of demonstrations. So, if you want to prevent
hacking there are some basics that need to be learned first.
TRICKS AND TECHNIQUES USED BY HACKERS TO ATTACK
The first most common technique used technique used by hackers is
scanning. Hackers have created tools that scan computers for weak spots. It can
be an operating system that hasn't been upgraded or a port in the computer that
it is open without the knowledge of the user.
Hackers use this "open window" to get inside your computer in order to do
whatever they want to do. The interesting thing about this is that these hacker
tools are available for free in the Internet. So, with a couple of hours of
instructions, almost every computer user can become a hacker.
Another way that hackers can access your machine is through malware: programs
designed to capture vital information from your computer, like login users and
passwords. Malware could be hidden in a PowerPoint presentation sent by email or
even in an innocent Instant Messenger message window.
HOW TO PREVENT HACKER ATTACKS
Hackers are always looking for a way to get into computers of
other persons. It can be something as simple as phising confidential information
(like credit card or bank account numbers) to complex hacking routines that use
your computer as a repository for illegal content (like music or movies with
copyright).
Unfortunately there is no magical software to prevent hackers;
and it will never exist. It doesn't matter how much money or resources you
invest in designing the perfect system, someone will find the way to crack it.
Even the biggest government agencies like NASA, CIA and NSA have been victims of
hackers. And the same thing happens in the private sector with companies like
Citigroup or Wal-Mart.
EFFECTIVE WAYS TO STOP HACKERS
So, what can you do to protect your tiny machine from hacker
tricks? Fortunately, there are some measures that we can take, and it doesn't
require us to be a Neo or Hugh Jackman's character from the movie "Swordfish".
These hacker protection tips are simple and effective and will defined you from
most of the attacks
OS UPDATES
The first thing to do in computer hacking prevention is to assure
yourself that all your software is up to date; especially your operating system
and your web browser. Why? Because they are the two things that hackers will try
to attack first if they want to get into your computer.
FIREWALL
The second thing that you need to do is to install a firewall. As
a matter of fact internet firewall hacker protection has become so necessary
that Microsoft now ships it for free as part of their Windows XP operating
system. It took them some years to admit it, but the truth is that their
software was an easy target for the hackers and crackers that lurked through the
World Wide Web.
In case you don't want to use Windows XP firewall, there are many
alternatives in the market. Companies like Symantec and Zone Labs have produced
software firewalls for some time and have become a necessity for all the
computers of corporate America. If you don't know which one you want to buy, use
the trial periods. Usually you can use the firewall for 15 to 30 days; that
amount of time is more than enough to make your decision. The next step in
security is to have an antivirus installed. There are free versions like AVG
antivirus, or pay per year licenses, like Norton Antivirus (also from Symantec).
As in the case of firewalls, there are many varieties available in the market;
use the trial periods for choosing wisely.
ANTI
SPYWARE/ADWARE
Finally, there is the anti-spyware program. As if viruses were
not enough, companies from around the world decided to create programs that
could pick up data from your computer in order to acquire information for their
databases. It may not be as dangerous as a virus, but it is an intrusion to your
privacy. Wipe them out with this piece of software.
Nowadays hacker prevention has become a task for all of us. No
longer is it the responsibility of the system administrator of our company.
After all, he can install all the security of the world in the company's
network, but if you let a virus in because of your carelessness, he won't be
able to stop it. The same goes for your computer at home. You are the only one
responsible for it. Remember that new hacker tricks appear as each day goes by,
so you need to be prepared.
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HACKING CULTURE
Hacker culture is composed by all those experiences and human
manifestations that are related to the exploit of hardware and software. Right
now there are three kinds of hackers. The first and most known kind of hacker is
the black hat hacker, or the individual who uses his knowledge for obtaining a
personal benefit. Usually, it means stealing information that can be sold in the
black market.
The most daring black hat hackers are able to crack bank
accounts, leaving no trace behind. Fortunately, bank security and worldwide
cooperation has been able to place some restrictions and control over these
individuals.
On the other side of the balance is the white hack hacker, a
computer security expert who works with organizations and helps them with their
computer network security problems.
Finally, there are the grey hat hackers. This kind of hackers is
composed by people who walk the thin line between white hat hackers and black
hat hackers. Usually, their tendency will be influenced by their need of money
or their lust for recognition among the hacker community.
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