SQL injections are arguably the most common type of web attack to steal sensitive data from organizations. Any time you hear about data breaches resulting in stolen passwords or credit card data, it’s often the result of an SQL injection. This in-depth guide is designed to help web administ...
CREATE PROCEDURE printDescriptions @vname VARCHAR(100) AS DECLARE @vdesc VARCHAR(1000) DECLARE @vsql VARCHAR(4000) SET @vsql = 'SELECT description FROM products WHERE name='''+@vname+''' DECLARE cur CURSOR FOR EXEC @vsql OPEN cur FETCH NEXT FROM cur INTO @vdesc WHILE @@FETCH_STATUS ...
When reading code and looking for SQL injection, keep in mind that concatenation can look different in different languages. The examples above used+, but string interpolation can also open the door to SQL injection when it's used with user-supplied data, as in the following example in Pyth...
In the world of SQL injection attacks and hacking in general, having the most up-to-date systems is key. Doing this can help prevent the ever-evolving techniques used to access websites illegally. With that in mind, preventing a breach is not a one-time task. That’s why we offer real...
Why You Shouldn’t Ignore Filter Operators In SQL Server Query Plans Part 2 Posted in Dynamic SQL, SQL Server, T-SQLTagged DBA, Dynamic SQL, Erik Darling, Erik Darling Data, Query, Query Tuning, sp_executesql, SQL, SQL Injection, SQL Server, SQL Server Training Post...
2. How Applications Become Vulnerable to SQL Injection? Injection attacks work because, for many applications, the only way to execute a given computation is to dynamically generate code that is in turn run by another system or component. If in the process of generating this code we use untrus...
Use a firewall:Firewalls are your best defense against SQL injection attacks. As a website admin, you might not be able to fix underlying code issues, but you can install a robust firewall. Choose a firewall like MalCare’s Atomic Security, which integrates deeply with your site and block...
How can you detect an SQL injection vulnerability? Imagine walking up to the information desk at a busy airport and, before you can ask about your flight, someone else interjects with a question of their own. It’s annoying and rude, but it’s not dangerous. When cybercriminals do ...
The easiest way to prevent SQL injection attacks is to change the default database prefix with something unique that hackers won’t be able to guess. You can easily do this byconnecting your website using FTP. After that, open the wp-config.php file and find the change the$table_prefixli...
SQL Injection requires exploration.There are common errors, make darned sure you're monitoring for them. And, speaking of errors, ensure that you have appropriate error trapping in place such that it's not exposing details of your infrastructure when errors occur, a common approach to understandin...