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Start learning 50% faster. Sign in nowSQL Injection is a critical web vulnerability where attackers inject malicious SQL code into an input field, potentially allowing unauthorized database access or manipulation. By exploiting applications that improperly sanitize user inputs, attackers can alter the database's behavior, accessing, modifying, or even deleting sensitive data. For example, by entering ' OR '1'='1 in a poorly protected login form, an attacker could bypass authentication if the application directly inserts this input into an SQL query. SQL Injection remains one of the most significant vulnerabilities in web security due to its ability to compromise data integrity and confidentiality. Proper input validation and parameterized queries are essential measures to prevent SQL Injection attacks, securing applications against malicious database queries. Option A - Cross-Site Scripting (XSS) involves injecting scripts into webpages to execute in the user's browser, differing in intent and execution from SQL Injection. Option B - CSRF tricks users into performing actions they did not intend on authenticated websites and does not directly involve code injection to manipulate database queries. Option D - DDoS attacks aim to disrupt service availability by overwhelming servers with requests, focusing on service disruption rather than data manipulation. Option E - Man-in-the-Middle (MitM) attacks intercept data during transmission but do not involve directly injecting code into a database query.
90 percent of first number is equal to 50 percent of the second number. What is the respective ratio of the first number to the second number?
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A box contains the coins of 5p, 10p and 25p are in the ratio 3:4:6. If there is Rs. 164 in all, how many 10p coins are there?
In a class of 250 students, 150 are girls and remaining are boys. Among boys, the ratio of number of boys who are wearing caps to those who are not wear...
A plot has to be divided among P, Q and R in the ratio 3:4:7 respectively. If the area of plot received by R is 4800m² more than the area of plot recei...
Three numbers are in ratio 2:3:5. If the sum of the squares of those three numbers is 342 then find the sum of the three numbers.
P, Q and R together started a business. Four times the investment of P equals five times the investment of Q and the capital of Q is twice that of R. Fi...
