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What is Brute Force Attack?

An attack method that systematically tries all possible combinations of passwords or keys until the correct one is found.

Brute force attacks try every possible password combination. Simple brute force tries all character combinations. Dictionary attacks use common passwords. Hybrid attacks combine dictionary words with modifications (numbers, symbols).

Protection includes strong passwords (length over complexity), account lockout policies, progressive delays, CAPTCHAs, two-factor authentication, and rate limiting. Password hashing with bcrypt/Argon2 makes each attempt computationally expensive.

Related Terms

Data Loss Prevention (DLP)
A strategy and set of tools that detect and prevent unauthorized transmission of sensitive data outside an organization.
Phishing
A social engineering attack that uses fraudulent communications to trick people into revealing sensitive information or installing malware.
Security Headers
HTTP response headers that instruct browsers to enable security features like XSS protection, framing prevention, and content type enforcement.
Rate Limiting
A technique that controls the number of requests a client can make to a server within a specified time period.
Webhook Signature Verification
A security mechanism that verifies webhook payloads are authentic and unmodified using cryptographic signatures.
SQL Injection
An attack where malicious SQL code is inserted into application queries through user input to access or manipulate the database.
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