How SQL injection Attack Working for beginner
SQL injections attacks too are pretty infamous in the internet world. They are responsible for about 27% of the total online attacks and thus they demand your attention. Read more to know different aspects and how an SQL injection attack works.
SQL injection attacks are one of the most common forms of cyber attacks. These attacks are very effective and about 32% of all Web applications are vulnerable to SQL injections.
SQL is a technique of code injection that is used to attack data-driven applications. Here, malicious SQL statements are inserted into any entry field for execution.
If you are not using the best practices, the notorious attackers can target your website to deploy SQL injection attacks and play with the sensitive data.
About 27% of all the web attacks are SQL injection attacks and the average cost of minor SQL injection attack is about $196,000.
Take a look to know more on how an SQL injection attack works:
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SQL Injection Based on 1=1 is Always True
Look at the example above, one more time.
Let’s say that the original purpose of the code was to create an SQL statement to select a user with a given user id.
If there is nothing to prevent a user from entering “wrong” input, the user can enter some “smart” input like this:
SELECT * FROM Users WHERE UserId = 105 or 1=1
The SQL above is valid. It will return all rows from the table Users, since WHERE 1=1 is always true.
Does the example above seem dangerous? What if the Users table contains names and passwords?
The SQL statement above is much the same as this:
SELECT UserId, Name, Password FROM Users WHERE UserId = 105 or 1=1
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