Linux Hacking

Linux is an operating system that can be used on a computer. The Linux operating systems are run by the kernel which rules over the programs and hardware components. It is at the core of the system and has access to services that no other program has access to. Special tasks can only be carried out by going through the kernel first. The kernel does not allow programs to perform illegal operations and so this is why the kernel needs to be accessed in order for hacking of the Linux system to be successful.

Once a hacker gets into the Linux kernel, they can potentially change the system options in order to allow programs perform all sorts of illegal operations. It is important for the hacker to force the Linux operating system to allow these actions in order to successfully break into all areas of the system. Hacking can be used for many different reasons, from accessing private information stored in files to noting keystrokes which can be used to find out a person's passwords.

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WI FI Hacking

WI FI is a way of using wireless Internet, cables are not required and it was originally designed for use with laptops and mobile phones. WI FI has become increasingly popular due to the lack of cables and cheap installation costs. Many people are now using WI FI instead of the usual Internet connections. The disadvantages of WI FI include the fact that WI FI can be easily hacked into. The most common form of encryption for WI FI can be simply hacked even if it is configured properly. There are people who travel around with laptops looking for insecure WI FI connections that can be hacked into.

Using these methods, a person could potentially "steal" use of another person's internet and break into files with ease. A great many hackers are using other people's WI FI connections in order to break into secure access files as the connection can be harder to trace to them as it is wireless and in another person's name. This type of hacking can be serious if companies that hold important files use WI FI as the sensitive information involved in the files could be easily accessed by a hacker. There have already been convictions of this type of hacking.

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Wi-Fi

Wi-Fi is short for wireless Fidelity and uses the same radio frequencies as Bluetooth. The only difference between Wi-Fi and Blue tooth is the power. Wi-Fi is sometimes called wireless Ethernet.

It is used in creating networks and its configuration is more complicated and difficult than traditional networks. Wi- Fi is increasingly popular as it offers seamless connectivity without the need of wires. This feature is included in almost all laptops and many times if offered as a USB plug and play system that enables Wi-Fi on a desktop computer.

Wi-Fi certifies that network devices comply with the IEEE 802.11 wireless Ethernet standard and is widely used in a variety of hand held devices. The next generation is WiMAX and is much touted to be the replacement to WI-Fi.

Presently Wi-fi is being expanded to include a wide variety of applications in LAN's, VoIP, gaming, DVD players, digital cameras and even intelligent transport systems on cars on highways so that safety and other data can be transmitted to them while they are traveling

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Intrusion Prevention

Intrusion detection system detects any intrusion. The intrusion prevention system is an automated reaction by the system to block any attack or attempted intrusion into the computer system or into the computer network.

The intrusion detection system is just a monitoring system. It sniffs packets of a switch port and logs information or generates alerts. The intrusion prevention system is one step further. It is an active intermediary like a firewall intercepting packet and forwarding them on the network only if it is ok. It blocks attacks in real time and act like an advanced firewall. Most Intrusion prevention systems contain firewall software as well. The latest generation firewalls shares it functionality of deep stateful packet inspection with an intrusion prevention engine to successfully thwart attacks to a system of private network.

Intrusion prevention systems are either host based or network based where the network based intrusion prevention systems has a larger and more modular attack prevention system when compared to a host based system

Content based as well as rate based intrusion prevention systems help in the more modern type of attacks like denial of service or distributed denial of service attacks.

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Intrusion Detection

In the ambit of information security and its growing need to be protected from any attempts to destroy it or duplicate it or copy it attempts have been made to provide detection first and later prevention.

Intrusion detection is done by a variety of means the oft followed means being a manual check to detect actions that may have compromised the confidentiality, integrity or availability of the given resource. Manual detection is usually done by checking the log files and system for evidence of intrusions.

This process has been automated to an extent and is still being perfected. A system that detects intrusion automatically and alerts the administrator is called an intrusion detection system. They are designed on statistical modeling of traffic and application data to detect anomalies that happen. These can be either host based or network based. If is it host based on a single machine only it is person intrusion detection system else it is a network intrusion detection system.

The types of alerts generated by an 'IDS' is determined by how serious the intrusion is. It could generate a log of the relevant information to a file or data base or can even generate an email or a message to a pager or mobile phone.

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Hacking Tools

Many of the hackers are essentially grate tool users. They exploit the software using these tools. It is not that much the art of programming. They break a trivial target program using the software to manipulate it in a number of ways.

There are hundreds of easy to use tools that may be used to get IP addresses of the remote system. These tools are also used to scan the various IP ports to see if any port can be used to enter the target system. Adware, Spyware, worms and Trojan horses have been deployed into target systems using these tools. These then generate greater vulnerabilities so that the other tools the hacker has could be used to other purposes. Wireless devices have not been spared either.

Most other smart hackers use disassemblers, scripting engines and input generators to find out more about a software or application. They find bugs in the give software and use these loop holes to gain access to systems where ever the software is installed. A few tools are DeCSS, Cold life, Intelli Tamper, John the ripper, and Nmap for Windows.

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Hacking Software

Hacking software is a wide variety of software sold in the market that makes hacking easy. It is as easy as the advert says it is. Click and hack.

Many of the hacking software features automated tools. These tools allow fraudsters to make major as well as minor changes on a computer or on a network of hacked PC's. All these can be achieved simply by the click of a mouse or drag and drop menu or even a pull down menu. You can even delete or add files on an infected computer

Many of these automated tools also provide you all the passwords stored on the computer. This may include passwords of user, or stored forms that contain personal information. Some softwares contain sophisticated algorithms to hack and crack encrypted password files. John the Ripper cracks MD% passwords in almost no time. Rainbow crack is another password tracker. Bug bear and IRC bots help you become moderators for a chat room or even pose as officials of the company. Many of the softwares are updated regularly with tools and scripts that could help you spy and hack into people's computers. Packet storm enables you to take a peek into IP packets and extract information that matters.

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