How a Website Database can be Hacked? Some of the key website database hacking techniques include: **Password guessing/brute-forcing** If passwords are blank or weak they can be easily brute-forced/guessed. **Passwords and data sniffed over the...
How a Website Database can be Hacked? Some of the key website database hacking techniques include:
If passwords are blank or weak they can be easily brute-forced/guessed.
Passwords and data sniffed over the network
Data and passwords can be easily sniffed if encryption is not used.
SQL Injection attacks
There are several different ways to hack databases, and most of these techniques need SQL injection (SQLi), which is a method through which SQL commands are sent back to the database from a web form or other input. SQL allows websites to develop, recover, delete, and update database records. An SQL injection attack places SQL into a web form while trying to get the application to run it. Sometimes, hackers use automated tools to execute SQL injections on remote websites. They scan thousands of websites, testing different types of injection attacks until they are successful.
Exploiting unknown/known vulnerabilities
Attackers are capable of exploiting buffer overflows, SQL Injection, etc. in order to own the database server. The attack could be via a web application by exploiting SQL injection, so no authentication is needed. In this way, databases can be hacked from the Internet and firewalls are completely bypassed. This is considered to be one of the easiest and preferred methods that criminals employ to steal sensitive data such as social security numbers, customer information, credit cards, etc.
Installing a rootkit/backdoor
By installing a rootkit, it is possible to hide database objects and actions so that administrators will not notice that someone has hacked the database and they will continue to have access. A database backdoor can be used to steal data and send it to attackers, giving them unrestricted access.
Also known as DNS cache poisoning, this hacking technique is capable of injecting corrupt domain system data into a DNS resolver’s cache in order to redirect where a website’s traffic is sent. It is often used to send traffic from genuine websites to malicious websites containing malware. DNS spoofing can also be used to gather details about the traffic being diverted.
Cross-site request forgery
Cross-site request forgery (CSRF or XSRF) is a common malicious exploit of websites. It happens when unauthorized commands are transmitted from a user that a web application trusts. Usually, users are logged into the website, so they have a higher level of privileges, permitting the hacker to obtain account information, gain access to sensitive information or transfer funds. There are several ways for hackers to transmit forged commands including hidden forms and image tags. The user is just not aware that the command has been sent and the website also believes that the command has come from a genuine user.
Denial of Service
A denial of service (DoS) attack or Distributed denial of service (DDoS) attack floods a website with large volumes of Internet traffic, causing its servers to become overwhelmed and then crash. Most DDoS attacks are executed using computers that have been compromised with malware. Owners of infected computers may not even know that their machine is sending requests for data to your website.
Cross Site Scripting (XSS)
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