A virtual private network, or VPN as it is commonly known, is a network that uses a public telecommunication infrastructure to provide faraway offices or individual users with secure access to the network of their organization. A virtual private network can be compared with a system of owned or leased lines. These leased lines can be used by one organization only. A VPN is used to provide the organization with the same services but at a lower cost. A VPN can be described as one or more wide area network …

A firewall is a level one security barrier that consists of a combination of hardware and software that limits the exposure of a computer or computer network from unauthorized access and exposure to threats from the Internet in the form of crackers, viruses, worms, hackers and other malicious intent. A firewall is the most basic and important first step in layered security that can be taken by home and small business use computers.
Without a firewall protected computer once you go online and begin surfing the Internet all the things and …

To reenter the U.S. an LPR normally needs to present his or her green card (Permanent Resident Card, Form I-551). A reentry permit is needed for reentry from absences outside the U.S. that are greater than one year but less than two years in duration.
Thus, if an LPR anticipates remaining outside the U.S. for longer than one year, he/she will need to apply for a reentry permit while he or she is in the U.S. See 8 C.F.R. § 223.2(b)(1)(Re-entry permit may be approved IF filed by a person who …

Certain factors have to be considered when choosing from among the best anti-spyware tools that are sold online. To protect your PC from the spyware programs, which are some of the most common Internet threats today, use only the most reliable anti-spyware program. When choosing spyware tools, scrutinize each programs closely and ensure that they are able to perform three essential functions. These are spyware scanning, spyware removal, and spyware protection. If a certain program cannot perform even one of these functions, then delete it from your list.
New versions of …

We always think to secure our computer from viruses, spywares and take different security measures to do it but never think about the protection of data we use to write on our DVDs and CDs. We just write CDs and DVDs with our data and put it in CD case and lock it in our draws.
But when we use our data burned CDs/DVDs on other systems there is always a risk of data loss, in a way that any one can copy that data in to his/her system and can …

Network security is to secure both public and private computer networks, used every day to conduct transactions among businesses and individuals. Any business related to IT network system needs to make sure to establish a strong, secure network for their data and systems. There is an increasing need to secure your networks within organizations. To achieve network security, all requirements have to be met to use networks securely.
Organizations spend a large amount of their business on IT network security. It is necessary that networks themselves have the appropriate levels of …

Today, since much of the businesses and shopping is done online, the internet has become an integral part of our lives. When we carry out an online shopping transaction, we key in our personal details, bank related information, and even our credit card numbers.
There are times when the system is not secure, and others can hack into our account and use these information. We might receive a huge credit card bill, containing a list of items we never bought or get charged for trips we never made. These issues are …

Check Point Software Technologies Ltd. is a company founded in 1993 in Israel by Gil Shwed, Shlomo Kramer, and Marius Nacht. This is a software and hardware company that has created revolutionary products in firewall and VPN technologies.The company provides scalable security solutions for both individuals and organizations.The company has an extensive product line in categories including Network Security, Data Security, Endpoint Security and Security Management. Their core business of products includes VPN 1 firewall software which run on operating systems such as Secure Platform, which is their RHEL …

Linux operating system uses a permissions schema to define user rights for each file. These permissions establish:
-who can read the file. If the file is a directory, read means list the contents of the directory.
-who can write/modify the file. If the file is a directory, this permission defines if you can make any changes to the directory contents, for example create or delete files.
-who can execute the file. If the file is a directory, this permission defines if you can enter the directory and access its contents, for example run …

Wireless security cameras provide protection at a fraction of the cost of traditional hard wired alarm systems. Since there are no wires it is easy to move the cameras and motion detectors to any location both indoors and outdoors. Some models are designed to stand up to all weather conditions and can handle extreme temperatures; others may need to be placed inside weatherproof camera housing.
The great thing about wireless security cameras is that they need no outside power lines or power connection. They can be used in any remote location …