What is one key feature of a secure password?

A secure password is an essential component of protecting online accounts and personal information. One key feature of a secure password is that it should be long and contain a mix of characters. This complexity can include uppercase letters, lowercase letters, numbers, and special characters. A longer password typically provides increased security, as it takes more time and effort for attackers to guess or crack. By incorporating different types of characters, the password becomes more resistant to various attack methods, such as brute force attacks, where automated systems try numerous combinations to gain access.

Using personal information or common words in a password can actually make it more vulnerable, as such passwords can be easily guessed or obtained by cybercriminals. Similarly, limiting a password to only lowercase letters compromises its strength, as it significantly reduces the total number of possible combinations, making it easier for attackers to crack. In contrast, a well-constructed, complex password enhances security and protects user data more effectively.