📌 SQL Injection Summary
SQL Injection is a type of security vulnerability that occurs when an attacker is able to insert or manipulate SQL queries in a database via input fields in a website or application. This allows the attacker to access, modify, or delete data in the database, often without proper authorisation. SQL Injection can lead to serious data breaches, loss of sensitive information, and potential damage to an organisation’s reputation.
🙋🏻♂️ Explain SQL Injection Simply
Imagine you are filling out a form on a website, and instead of entering your name, you write a special command that tricks the website into showing you secret information. SQL Injection is like finding a way to sneak past a locked door using a clever trick, rather than the key.
📅 How Can it be used?
In a web application project, developers must validate and sanitise user input to prevent attackers from injecting harmful SQL commands.
🗺️ Real World Examples
An online store has a search box that directly uses user input in its database queries. An attacker enters a specially crafted search term that tricks the store into revealing confidential customer data, such as email addresses or credit card numbers.
A company employee portal allows staff to log in with a username and password. If the login form is not properly secured, an attacker could use SQL Injection to bypass authentication and gain access to private employee records.
✅ FAQ
What is SQL Injection and why should I be concerned about it?
SQL Injection is a way for attackers to trick a website or app into running unwanted commands on its database. This can let them peek at, change, or even delete information they should never have access to. If it happens, private details could get out, and businesses might lose trust or face big problems.
How do attackers use SQL Injection to access information?
Attackers use SQL Injection by entering special commands into search boxes or forms where you would normally type your details. If a website does not check this input properly, the attacker can sneak past the normal rules and get the database to share information it should keep private.
Can SQL Injection be stopped, and how do websites protect themselves?
Yes, websites can prevent SQL Injection by making sure they check and clean up anything users type in before using it in a database. Using secure methods to ask the database for information, like prepared statements, makes it much harder for attackers to break in.
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