PHP Security

PHP Security - Important Points

A. A vulnerability that allows an attacker to execute arbitrary code on a system

B. A vulnerability that allows an attacker to include a file from a remote server

C. A vulnerability that allows an attacker to bypass authentication

D. A vulnerability that allows an attacker to delete files on a system

A. Using SSL encryption

B. Restricting access to sensitive files

C. Using the extract() function

D. Input validation and sanitization

A. To convert special characters to HTML entities

B. To encrypt data before storing it in a database

C. To hash passwords before storing them in a database

D. To validate user input

A. Using SSL encryption

B. Storing passwords in plaintext

C. Allowing unlimited login attempts

D. Using password hashing and salting

A. To encrypt data before storing it in a database

B. To hash passwords before storing them in a database

C. To validate user input

D. To convert special characters to HTML entities