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A classification of SQL injection attacking vector as of 2010. In computing, SQL injection is a code injection technique used to attack data-driven applications, in which malicious SQL statements are inserted into an entry field for execution (e.g. to dump the database contents to the attacker).
In cryptography, a salt is random data fed as an additional input to a one-way function that hashes data, a password or passphrase. [1] Salting helps defend against attacks that use precomputed tables (e.g. rainbow tables), by vastly growing the size of table needed for a successful attack.
Injection exploits are computer exploits that use some input or data entry feature to introduce some kind of data or code that subverts the intended operation of the system. Usually these exploits exploit vulnerabilities resulting from insufficient data validation on input and so forth.
Code injection is the malicious injection or introduction of code into an application. Some web servers have a guestbook script, which accepts small messages from users and typically receives messages such as: Very nice site! However, a malicious person may know of a code injection vulnerability in the guestbook and enter a message such as:
SQL Injections. SQL injection is a code injection technique used by threat actors to attack any data-driven applications. Threat actors can inject malicious SQL statements. This allows threat actors to extract, alter, or delete victim's information. [20] Denial of Service Attacks
efficiency, because they can be used repeatedly without re-compiling; security, by reducing or eliminating SQL injection attacks; A prepared statement takes the form of a pre-compiled template into which constant values are substituted during each execution, and typically use SQL DML statements such as INSERT, SELECT, or UPDATE.
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SQL injection and similar attacks manipulate database queries to gain unauthorized access to data. [30] Command injection is a form of code injection where the attacker places the malware in data fields or processes. The attacker might be able to take over the entire server. [30]