Hackers can use different website defacement techniques. All these methods usually take advantage of websites' security vulnerabilities and illegally access them.
These vulnerabilities come with different website configurations, including its content management system and web servers. Hackers use these configurations by breaking a website's SQL injection and authentication and misconfiguring the server's security. Here's a breakdown of the common techniques used in website defacement:
Brute-ForcingBrute force is a type of website defacement where a hacker guesses the password or the encryption keys by systematically trying all possible character combinations until they find the correct one.
It could take a long time to hack a website with this method. Therefore, hackers prefer a dictionary attack as their alternative. However, a dictionary attack only works for website users who prefer using everyday words as their passwords rather than combining alpha-numeric characters, numbers, and letters.
SQL InjectionIn this kind of attack,
hackers inject malicious codes into a website to interfere with the queries it makes to its database, especially those that use internal databases and their internet resources. This allows hackers to view the website's data that they would not normally manage to retrieve.
Cross-Site ScriptingCross-site scripting is a website defacement technique where attackers inject malicious codes into a webpage. Once the users open the page, the code will start running on their computer, connect to the web servers, and the fraudsters gain control of the system.
Hackers take advantage of two types of vulnerabilities in this attack;
persistent and
non-persistent. In persistent vulnerability, the server saves the malicious code, making every website visitor a victim. In a non-persistent vulnerability, hackers inject the malicious code into a definite page, which users are attracted to, i.e., through phishing.