How Could Web Application (In)Security Affect Me?

How Could Web Application (In)Security Affect Me?

Nearly 55 percent of all vulnerability disclosures in 2008 affected web applications.

Web applications have become the major hunting grounds for cyber criminals who quite rightly view them as low hanging fruit. Just as building new motorways improves access for traditional burglars and car thieves, web applications’ internet accessibility literally delivers them to the hackers’ doors.Web Application

For some time now, cyber crime has simply been another arm of organized crime. And organized crime is pouring a substantial portion of its vast resources into cyber crime… because the return on investment is very high.

Organized crime goes to great lengths to get its hands on any information – and the more confidential it is, the better. Once they’ve hacked into an application, they can either make use of it themselves or sell it on to others. They can also take control of the various resources such as servers and databases that house that information and turn a profit from that as well.

Having gained control of your computing power by exploiting vulnerabilities and adding code to your application. They add your power to their existing haul and create botnets. A global network of robots reporting to their master command-and-control node. Which can lead him to attack other organizations, or sell them to other criminals who, after they have enough strength, can arrange denial of service attacks.

Money-Motivated From Start To Finish

No longer is it enough for these criminals to boast of their hacking prowess; these days it’s all about the money. Given that a properly engineered denial of service attack is powerful enough to bring down pretty much any global multi-national corporation or, in fact, any small country and take them off-line for the duration, this is not about bragging rights, it’s extortion. This is the motivation of money from beginning to end.

Because all information and all computing power is grist to the mill for the criminals. No company is too small and of course, no company is too big to target. And as the security in large enterprises is often no better than small entities, size is truly no barrier to the criminals.

And no business can afford the consequences of a security breach. At the very least, mismanaging confidential information almost always leads to reputational damage. Reputational damage leads to the departure of existing clients as well as difficulty attracting new business. A situation that can go on for many years. There are obvious bottom line implications to those consequences; in the most extreme cases, businesses can go under.

All Information And All Computing

According to IBM’s X-Force 2009 Mid-Year Trend and Risk Report. The predominant risks to web applications are from cross-site scripting, SQL injection and file include vulnerabilities.

Cross-site scripting vulnerabilities occur when web applications do not properly validate user input. Thus allowing criminals to embed their own script into a page the user is visiting. This script can steal confidential information or exploit existing vulnerabilities in the users web browser. Cross-site scripting vulnerabilities are typically exploited in phishing attacks by sending users a malicious link to a page in a legitimate domain name via email. The criminals get high returns because users trust the familiar domain name they are visiting and thus trust the links (created by the criminals) therein.

Web Application

SQL injection vulnerabilities are also about improperly validated user input. But in this case, the input includes the SQL statement that the database is running. Giving attackers access to that database to read, delete and modify sensitive information (like credit card data). As well as embedding code into the database allowing attacks against other visitors to the web site.

Vulnerabilities including files occur when their application forces it to execute code from an invalid remote source. Allowing criminals to take over the web application remotely. This category includes some denial-of-service attacks as well as techniques that allow criminals direct access to files, directories, user information and other components of the web application.

Facilitating all these kinds of attacks is the fact that many web sites contain some code to support various features and functions which inadvertently introduces vulnerabilities.

Russian roulette, anyone?


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