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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). [1][2] SQL injection must exploit a security vulnerability in an application's software, for example, when user ...
An SQL injection takes advantage of SQL syntax to inject malicious commands that can read or modify a database, or compromise the meaning of the original query. [13] For example, consider a web page that has two fields to allow users to enter a username and a password.
2012 Yahoo! Voices hack. Yahoo! Voices, formerly Associated Content, was hacked in July 2012. The hack is supposed to have leaked approximately half a million email addresses and passwords associated with Yahoo! Contributor Network. [1] The suspected hacker group, D33ds, used a method of SQL Injection to penetrate Yahoo!
The attacker then leaked the full list of the 32 million passwords (with no other identifiable information) to the internet. Passwords were stored in cleartext in the database and were extracted through an SQL injection vulnerability. The Imperva Application Defense Center (ADC) did an analysis on the strength of the passwords. [22]
Prepared statement. In database management systems (DBMS), a prepared statement, parameterized statement, or parameterized query is a feature where the database pre-compiles SQL code and stores the results, separating it from data. Benefits of prepared statements are: [1] efficiency, because they can be used repeatedly without re-compiling.
LDAP injection. In computer security, LDAP injection is a code injection technique used to exploit web applications which could reveal sensitive user information or modify information represented in the LDAP (Lightweight Directory Access Protocol) data stores. [1][2][3] LDAP injection exploits a security vulnerability in an application by ...
The 2013 data breach occurred on Yahoo servers in August 2013 and affected all three billion user accounts. The 2014 breach affected over 500 million user accounts. Both breaches are considered the largest ever discovered and included names, email addresses, phone numbers, birth dates, and security questions—both encrypted and unencrypted.
It is common for a web application to store in a database the hash value of a user's password. Without a salt, a successful SQL injection attack may yield easily crackable passwords. Because many users re-use passwords for multiple sites, the use of a salt is an important component of overall web application security. [14]