Website security scanning tools
This 'website security scanning tools' article is supplied by Web Site Security, where you can find more information about website security scanning tools.
Web Site Security Issues - An Assessment
It is unfortunate, but there are several ways in which website security can be jeopardized. For example, security risks exist that may affect Web servers and LANs (local area networks) where Web sites reside, even by the typical use of a Web browser.
Web Masters face the flak when managing the critical risks. As soon as a Web server is installed at a site, a porthole is made in the local area network through which anyone who's using the Internet can peep. Certainly, the majority of web site visitors see only what they are supposed to see, but a small number try to uncover areas of the site which aren't intended to be observable by the world. Fraudulent visitors want to do other than simply look; they endeavour to undo the window and sneak through. The harm intruders could cause might be sheer vandalism, for instance substituting the website's home page with their own that could say or show absolutely anything at all, or it could be theft, such as appropriating a customers or orders list.
It's difficult to evade the likelihood that intricate computer software has bugs. Regardless of how painstakingly it's tested, there does exist more often than not a particular combination of events or user actions, though it may happen hardly ever, that will cause an error. Software bugs produce gaps in system security. A Web server is complicated software that may quite possibly include a security weakness.
It is not just the complexity of a Web server which can cause a problem, but also its open architecture. Think about a CGI script as an illustration. A CGI script may be processed at the server in reply to a remote call from a client. This might be a request from an application or even the click of a button in a browser. If the CGI script includes a bug, there may be a risk of a security breach.
Network Administrators also have to cope with problems from Web servers on account of the risk they pose to the security of the local area network. Although there should be no unauthorized intrusions, admittance must be given to website visitors. This means that access to the network should be regulated. The Administrator therefore must perform a delicate balancing act. Even the most robust firewall can be undermined if the Web server is configured poorly. Concomitant with this constraint, normal use of the website can be not possible if the firewall is configured badly. Finding a perfect answer is yet more tricky if an intranet exists as an element of the system. Usually, the Web server then has to be configured to recognise and authenticate domains and user groups, which are liable to have varying permission levels and access rights.
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Almost everyone using a browser to surf the Web trust that they really are doing so incognito and securely. This is not so. Web browsers may run self-contained software programs on the local computer that are located on a web site. Modern browsers show a notice and request authorisation to run these kinds of programs. Known commonly as "active content", e.g., ActiveX controls or Java applets, these programs, if malicious, may easily leave a virus or other dangerous software on the browser user's PC. As soon as it's in the system it can inflict all kinds of damage and can be extremely tough to get rid of.
This is also a concern for Network Administrators. Web browsers afford a way for potentially malicious software to permeate through the local area network's firewall. As soon as it is in the network, the damage it can cause can range from clandestinely gaining possession of sensitive information to wanton spoliation.
Besides the matters surrounding active content, merely browsing the Internet leaves a trail of the user's activities in the browser's history. This could be used by web sites and installed programs to create an exact report of the user's behaviour and interests. Whereas this might be thought of as an invasion of privacy by some, it can be useful by showing appropriate subject matter without delay, thus relieving the user of the task of trying to find it.
Confidentiality is a matter which concerns not only browser users but also Web Masters and Network Administrators during the actual transmission of data via the Net. TCP/IP (Transmission Control Protocol/Internet Protocol) is the basic language of communication for the Internet. When it was created, security was not the most crucial aspect of its design. Both network and Internet transmissions should therefore not be thought of as as essentially private. Whenever the browser on a local machine downloads a confidential file from the remote Web server, or the browser user completes a form with personal information and clicks the 'Submit' button, the transmitted data can be intercepted without authorization.
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