In the past decade, millions of people have used the Web to communicate and conduct business with their customers. This includes web applications that collect and store information. This includes information about customers that is submitted via content management systems such as online shopping carts, inquiry forms or login fields.

These applications are typically accessed via the Internet and can be hacked to exploit vulnerabilities within the application or supporting infrastructure. For example, SQL injection attacks (which exploit weaknesses in the database) can result in compromised databases that hold sensitive information. Attackers can also leverage an advantage gained by breaching a Web application to find and gain access to other, more vulnerable systems on your network.

Other commonly used Web attack types include Cross Site Scripting attacks (XSS) that exploit weaknesses in the web server to inject malicious code into web pages, and it executes as an infected code in the victim’s browser. This allows attackers gain access to confidential information, or redirect users to websites that offer phishing. XSS attacks are most prevalent on message boards, blogs and online forums.

Hackers work together to overwhelm a website by sending more requests than the website can handle. This can cause a website’s performance to drop or even shut down completely. This hinders the ability to process requests, and makes it unusable to everyone. This is why DDoS attacks are particularly devastating for small businesses that rely on their websites for operations like local restaurants or bakeries.

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