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A new model for cyber security

Digital communication in connection with the use of modern Internet have grown exponentially until the point that digital communication has become an essential facet of daily life. From cell phones, netbooks to email, blogs and portals line transfer and electronic data exchange controls how many interact with each and communicate both personally and for business. Now, with the current trend of moving towards cloud computing where everything a person or company to keep important documents stored and available online, or "cloud" computer security has become the top priority of many.

Methods to protect data, encryption software antivirus, firewalls, passwords and access have existed long before the modern revolution of data per day, but unfortunately none of these solutions have grown as effective security to accommodate modern forms of digital communication. Analog you can connect to the global data network or the Internet, have become increasingly smaller and smarter. For example, with only a modern mobile phone, a person can access their email, send updates to blogs, and the access to personal or corporate documents across the Internet.

The security approach common in the past has been based on the model to restrict access using firewalls or systems of intrusion detection of viruses using signature-based analysis systems. All these solutions are based on the concept of limiting, carcass, hide and limiting access to data. A firewall, for example, takes its name from "wall of fire retardent, which are designed to create safe areas where fire can not pass through the material they are constructed. In this case, any external access has not been considered necessary to an intranet or public is considered the fire and simply blocked. The antivirus and virus signature model also proved to be insufficient due to the turn around time to update signature files and the amount of resources of these systems to scan files using 1000. It's like the concept of sending the police to everyones house in town of millions of people to try to find where the bad guys are hiding. With modern computers that contain multiple files of 1000, and the polymorphic nature almost constantly changing modern virus, the signature of the model-based analysis is no longer practical.

Problems with current approaches is the increasingly widespread use digital networks, there has been no method which dynamically update firewalls and databases of the firm to accommodate new types of access and threats. Almost daily there are new applications that are constantly growing need for people to effectively access and digital services new threats. The current security model would not be a solution that quickly determines between good and bad activities. In fact, it restricts the freedom of all group to protect it from potential threats of a few. A security system truly effective, it must be able to enable and maintain access to the group and only limited or deny access to activities that are out of line with the standard set of operations.

Each technique brings security cost of ownership and in general, firewalls, antivirus software, networking and VPN access control methods are used more to limit access to digital networks of today that actually protect them. System administrators and corporate IT security directors can no longer feasible to follow the model of restricting all because in the end nothing more than restricting legitimate access and very limiting the ability of users to take full advantage of the digital information revolution and doing little to prevent real "hackers" or access unauthorized networks.

A truly effective solution to computer security must be as dynamic and flexible as the score for each application switching and digital services and digital access devices being used. It is no longer a viable model to restrict all, or scan everything, as this only serves to prevent users from taking advantage of increased productivity and power presented by modern digital networks and internet access and is a great use of computing resources.

The model cyber security for data networks can be defined as something that protects data and data systems, denying access to unauthorized users, preventing downtime of services approved by unauthorized activities (Denial of Service), and preserve the overall functional state of health of a digital network at 99%.

1) The protection of data and data from unauthorized access systems

As more and more information is stored online as financial information, credit card numbers, classified documents and information that can not fall into unauthorized hands, data protection is the main concern of cybersecurity. Unfortunately there have been many breaches of security of important data known as million credit numbers stolen in the theft of secrets commercial companies and even the concerns of foreign countries to retrieve information security by the use of Trojans and other intrusive methods.

Methods to include intrusion

Installing applications backdoor network intrusion hidden or disguised as legitimate applications entering a network by authorized users inadvertently open infected e-mails or websites.

Brute force attacks, where the names common usernames and passwords weak are exploited by the systems that process millions of combinations of username, set password for access.

It operates on Microsoft Windows operating systems as a service that allows insurance or are authorized to be operated by the flaws in the software design.

The theft or violation of internal networks of employees or persons normally authorized to allow access to systems, or have access to certain areas where for domestic spying are able to find passwords and authcodes to secure areas. (Note left on desks, computers left logged areas safe.

Exposing the violation of external data by placing documents and portable USB stick, in order to present these data at meetings outside the network. Many times employees place a document on a USB stick that is for a presentation at a remote location, but, by chance, also have insurance documents unrelated to the current session, which is left in your USB. Then they put their pen drive into a computer from third parties to submit the document 1, not knowing that that computer has a trojan quickly copies all data on your USB to an unauthorized party 3.

Preventing downtime 2) of the services authorized by unauthorized activities

Brute force attacks, scanners and DoS attacks can cause a network, your servers and routers main access, which was reduced to the point that the network is no longer usable in any form. These attacks caused considerable damage and downtime of the networks on a daily basis. The ability to detect this type of attack and cut the source further from the core network and its services is very important to the overall health of a strong cyber security program.

3) Preserve the overall functional state of health of a digital network.

Preserving the health of a digital network is not only in preventing attacks and unauthorized activities, but also in maintaining basic services and access to data that users depend on your authorization. It is not a viable solution to stop or prevent an attack possible attacks also prevent or limit unauthorized access. A cyber security solution has to be able to isolate and prevent attacks and assaults upon his integrity, while not limiting or denying access to their resources by authorized users.

Clearly there are many different ways that security can be breached in data networks, and the heavy reliance of networks so that current methods of security not only is no longer adequate to protect these networks, but also serve to cause security issues and network access. As such, the urgent need has arisen to change the current mode of approach to cyber security and create new dynamic model that is able to constantly adapt to ever-changing needs of protecting data networks.

A new IDS model should be created that must meet the following objectives:

The aim of any IDS system should be to preserve the integrity of the network that protects and allow the network to operate in its ideal state of operation to 99.99%.

An IDS system must be lightweight and dynamic deployed. An IDS system can not become another intrusion and should not break the first rule that includes integrity in the use of computer networks too and network resources in its attempt to secure the network.

A IDS must be able to constantly adapt to a changing environment and self update his own signature records based on the evolution of threats. An IDS system does not must require extensive hands on resources to constantly update its signature files and require manual verification that can detect threats that are real and not fake

An IDS must be able to simultaneously protect the network against attacks, unauthorized use and downtime, without preventing or limiting network access and resource use network to authorized clients. As such it must be discreet at all times and maintain the network in an open state, where basic services and resources are available 99.99% networks of authorized users, while detect, isolate and prevent unauthorized activity.

Truly only research on the mechanisms proactive defense will be useful in protecting digital networks now and in the future.

About the Author

Brandt Hott