Web Application Attacks
Web application attacks are some of the most common and dangerous cyber attacks that organizations face today. These attacks target the vulnerabilities present in web applications, such as SQL injection, cross-site scripting, and cross-site request forgery. These attacks can result in the theft of sensitive data, financial loss, and damage to an organization’s reputation.
SQL injection is a type of web application attack that allows an attacker to inject malicious SQL code into a vulnerable web application. This code can then be used to access and manipulate sensitive data stored in the application’s database. Cross-site scripting (XSS) is another type of web application attack that allows an attacker to inject malicious scripts into a website, which can then be executed by unsuspecting users who visit the site. This can result in the theft of sensitive information, such as login credentials and credit card numbers.
Cross-site request forgery (CSRF) is a type of web application attack that targets a user’s web browser. In this type of attack, an attacker tricks a user into clicking on a malicious link or visiting a compromised website. Once the user is on the attacker’s site, the attacker can then use the user’s web browser to send fraudulent requests to the targeted web application, often resulting in the theft of sensitive data or unauthorized access to the system. To protect against these types of attacks, organizations must implement strong security measures, such as regular vulnerability assessments and testing, secure coding practices, and the use of web application firewalls.
Impacts of successful CSRF exploits vary greatly based on the role of the victim. When targeting a normal user, a successful CSRF attack can compromise end-user data and their associated functions. If the targeted end user is an administrator account, a CSRF attack can compromise the entire Web application. The sites that are more likely to be attacked are community Websites (social networking, email) or sites that have high dollar value accounts associated with them (banks, stock brokerages, bill pay services). This attack can happen even if the user is logged into a Web site using strong encryption (HTTPS). Utilizing social engineering, an attacker will embed malicious HTML or JavaScript code into an email or Website to request a specific ‘task url’. The task then executes with or without the user’s knowledge, either directly or by utilizing a Cross-site Scripting flaw (ex: Samy MySpace Worm).
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