Website security certification
This 'website security certification' article is supplied by Web Site Security, where you can find more information about website security certification.
An Overview of Web Site Security Issues
It's unfortunate, but there are several ways in which website security can be jeopardized. Security hazards are ever present which affect Web servers and LANs (local area networks) where Websites are located, even by the typical use of a Web browser.
Web Masters come under fire when handling the most serious threats. As soon as a Web server is installed at a site, a porthole is established in the local area network through which anyone who is on the Internet can peep. Certainly, on the whole website visitors see no more than what they are meant to look at, but a small number of them attempt to discover parts of the site that are not supposed to be observable by the world. Nefarious visitors desire to go further than merely look; they endeavor to open the window and creep in. The damage intruders may inflict might be sheer vandalism, like changing the website's home page with theirs that might say or put on view anything at all, or it might be larceny, like stealing a contacts or sales list.
It is hard to escape the likelihood that complicated computer software includes bugs. No matter how scrupulously it is tested, there exists frequently some pattern of events or user actions, though it may be rare, that brings about a failure. Computer software bugs give rise to holes in system security. A Web server is convoluted software that may quite easily include a security fault.
It's not just the complexity of a Web server that may create a problem, but also its open architecture. Consider a CGI script as a case in point. A CGI script can be run at the server in answer to a remote request from a client. This could be a request from a program or even the click of a button in a browser. If the CGI script has a bug, there could be a danger of a security violation.
Network Administrators also have to tackle problems from Web servers because of the danger they pose to the security of the local area network. Although there ought to be no unauthorized intrusions, access must be given to website visitors. This means that access to the network has to be controlled. The Administrator therefore has to perform a delicate balancing act. Even the most sturdy firewall can be breached if the Web server is configured badly. By the same token, normal use of the website can be unattainable if the firewall is configured poorly. Finding a perfect resolution is still more complicated if an intranet forms an element of the system. Typically, the Web server in that case must be configured to identify and validate domains and user groups, which are apt to have differing permission levels and access privileges.
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Most people using a browser to surf the Internet suppose that they're doing it in secret and safely. This is not the case. Web browsers can process autonomous software on the local computer which are resident on a web site. Modern browsers display a warning and ask consent to execute those programs. Identified commonly as "active content", e.g., ActiveX controls or Java applets, these programs, if malicious, can easily install a virus or other dangerous software on the browser user's machine. When it is in the system it can cause all kinds of havoc and can be extremely tricky to get rid of.
This is also a concern for Network Administrators. Web browsers present a path for possibly malicious software to seep all the way through the local area network's firewall. As soon as it is in the system, the damage it is able to cause can extend from clandestinely appropriating sensitive information to willful spoliation.
Aside from the matters involving active content, simply browsing the Net records a trail of the user's activities in the browser's history. This can be utilized by websites and installed programs to create a precise profile of the user's behavior and interests. While this may be thought of as an invasion of privacy by some, it can be advantageous by displaying related subject matter without delay, thus unburdening the user of the job of searching for it.
Privacy is a problem that concerns not only browser users but also Web Masters and Network Administrators in the actual transmission of data by means of the Internet. TCP/IP (Transmission Control Protocol/Internet Protocol) is the basic language of communication for the Net. When it was formed, security was not the principal aspect of its blueprint. Both network and Internet transmissions should therefore not be thought of as as necessarily private. When the browser on a local PC downloads a sensitive document from the remote Web server, or the browser user completes a form with confidential data and clicks the 'Submit' button, the transmitted information can be intercepted without consent.
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