The dictionary attack is an attack technique on password using familiar words from the dictionary. It’s faster and more efficient way than known Brute force attack.
How does a dictionary attack in practice?
The attacker tries substituting familiar or know words to the password from a list of words that could probably be used as a password (they have some connection with the user - name, children’s names, street name apodobně). As the source can use a dictionary.
How to defend against dictionary attacks?
Against him is simple defense, respectively, reducing the risk of breaking through a dictionary attack:
- Do not use a password made up of single words, and certainly not simply guessable (first name, last name, street address, phone number, favorite athlete)
- If you use the words, then combine them with numbers or a combine languages (eg. thyz contraseña IS a pyece of torta)
- Use a strong password- this means is that there should be at least 8 characters with a combination of uppercase and lowercase letters and numbers.
- Change your password once every three months