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SQL 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.
The cost price of two dozen bananas is Rs. 96. After selling 18 bananas at the rate of Rs. 36 per dozen, the shopkeeper reduced the rate to Rs. 24 per d...
The difference between the cost price and sale price of an article is Rs.450 and the profit is 25%. Find the selling price.
If 7% of S.P. is equal to 8% of C.P. and if 9% of S.P. is Rs. 2 more than 10% of C.P, then find C.P. and S.P.
A man bought an washing machine of Rs.15000 and spend Rs.2000 on its repairing and Rs.1000 for buying its new parts. After few days he vend it...
A company produces 5,000 units of a product in a month. The fixed cost is Rs 10,000, and the variable cost per unit is Rs 15. If the company sells each ...
The sale price of an item is set at 30% above the cost price. After giving a 10% discount on the marked price, what is the merchant’s profit percentag...
Each of the articles was marked 25% above its cost price and while selling 12% discount was given on it. The cost price of article M is Rs. 500 more tha...
A invested Rs X in a scheme. After 6 months, B joined with Rs 7500 more than that of A. After an year, ratio of profit of B to the total profit was 3: 7...
The cost price of 25 apples is Rs.60. If it is sold at 25% profit, then how many apples will be sold for Rs.42?
After giving a discount of 20% on the marked price of an article, it is sold for ₹120. Had the discount not been given, the profit would have been 20...
