The Most Difficult Four-digit Password, Ranked

Voting rules: Choose the four-digit password you think is the most difficult!

Updated on May 2, 2024 06:24

In a world where digital security is paramount, the strength of a four-digit password can often be the thin line between safety and vulnerability. It's crucial for individuals to understand which combinations stand up better against attempts at unauthorized access. This list helps in identifying those robust selections, serving as a crucial tool for anyone looking to secure their digital domains effectively. By voting on this list, users contribute to a broader understanding of password effectiveness. Each vote helps others make more informed decisions about their digital security choices. This interactive list not only guides you to smarter decisions but also consistently updates to reflect the most reliable passwords as voted by users like you.

What Is the Most Difficult Four-digit Password?

1

27
votes
1234

Despite its simplicity, 1234 is still the most commonly used four-digit password, making it the easiest to guess.
The password '1234' is one of the most commonly used and weakest four-digit passwords. It is incredibly easy to guess and provides minimal security.

Length: 4 digits

Common Usage: Widely used and easily guessed

Security Level: Extremely low

Complexity: No complexity or variation

Ease of Guessing: Very easy to guess
2

32
votes
8068

This is considered a difficult password because it does not follow any easily recognizable pattern, and it is not a commonly used combination.
The password '8068' is considered to be one of the most difficult four-digit passwords to crack.

Length: 4 digits

Complexity: Low

Repeatability: No repeating digits

Commonality: Not a commonly used password

Predictability: Low
3

19
votes
2580

This password is difficult to guess because it follows a diagonal pattern on a numeric keypad.
The password '2580' is a relatively weak four-digit password commonly used on numeric keypads. It is created by users who prefer simple and easily memorable passwords.

Length: 4 digits

Character set: Numeric digits (0-9)

Difficulty level: Low

Commonness: Very common

Memorability: Easy to remember
4

24
votes
2468

This password is difficult to guess because it follows a horizontal pattern on a numeric keypad.
The password '2468' is a four-digit numeric password that is commonly regarded as one of the least secure passwords due to its lack of complexity and predictability.

Length: 4

Character Type: Numeric

Complexity: Low

Predictability: High

Repeating Digits: No
5

21
votes
1357

This password is difficult to guess because it follows a diagonal pattern on a numeric keypad, and it is not a commonly used combination.
The password '1357' is a four-digit password that is considered to be one of the most difficult to crack due to its lack of any recognizable pattern or logical sequence. It utilizes a combination of numbers without any specific significance or inherent meaning.

Length: 4 digits

Pattern: No recognizable pattern

Sequential: No sequential order

Repetition: No repeated digits

Complexity: Low complexity
6

18
votes
9876

This password is difficult to guess because it follows a reverse diagonal pattern on a numeric keypad.
The password '9876' is an example of a four-digit password that is commonly used and often considered weak due to its lack of complexity.

Length: 4 digits

Lack of complexity: Consists of a simple sequence of ascending digits

Commonly used: Frequently chosen by users due to its easy-to-remember nature

Low security: Easily guessable, making it vulnerable to brute-force attacks

No additional characters: Only uses numeric digits
7

15
votes
0000

This password is difficult to guess because it is a common default password, and it is not easily recognizable.
The password '0000' is one of the most commonly used four-digit passwords, but it is also one of the least secure options. It lacks complexity and is easily predictable, making it highly vulnerable to brute-force attacks.

Length: 4 digits

Complexity: Low

Predictability: High

Security: Very weak

Usability: Easy to remember
8

6
votes
9999

This password is difficult to guess because it is a common default password, and it is not easily recognizable.
The password '9999' is considered one of the most easily guessable four-digit passwords. It is highly discouraged to use this password as it lacks complexity and offers minimal security.

Length: 4 digits

Lack of complexity: Consists of only repeating the digit '9' four times

Easily guessable: Commonly used and easily predictable

Commonality: Frequently chosen by users due to its simplicity

Security weakness: Prone to brute-force attacks and dictionary attacks
9

4
votes
7777

This password is difficult to guess because it is a common default password, and it is not easily recognizable.
The password '7777' is considered to be one of the least secure four-digit passwords. It is commonly used and easily guessed by both humans and automated systems.

Length: 4 digits

Commonness: Very common

Guessability: High

Security Level: Low

Pattern: Repeating digits
10

6
votes
4321

This password is difficult to guess because it follows a reverse diagonal pattern on a numeric keypad, and it is not a commonly used combination.
The password '4321' is a four-digit password considered to be relatively easy to guess. It is a simple sequential pattern that could be easily identified by brute force or educated guessing techniques.

Length: 4 digits

Pattern: Sequential digits

Difficulty Level: Low

Brute Force Resistance: Low

Educated Guessing Resistance: Low

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Discussion

Ranking factors for difficult four-digit password

Complexity

A difficult four-digit password should be composed of different types of characters, such as uppercase and lowercase letters, numbers, and special characters. However, with a 4-digit password, your options may be limited to just numeric combinations.
Unpredictability

The password should not be easy to guess or predict, which means it should not have any recognizable patterns or sequences. This includes avoiding the use of repeated or consecutive numbers.
Common passwords

Avoid using common four-digit passwords such as '1234', '0000', '1111', or '4321'. These passwords are widely known and easily guessed.
Personal information

The password should not contain any personal information that is easily linked to the user, such as birth year, phone number, or address.
Variation

To make the password even more challenging, consider changing it frequently or using different passwords for different accounts.

About this ranking

This is a community-based ranking of the most difficult four-digit password. We do our best to provide fair voting, but it is not intended to be exhaustive. So if you notice something or password is missing, feel free to help improve the ranking!

Statistics

4441 views
190 votes
10 ranked items

Voting Rules

A participant may cast an up or down vote for each password once every 24 hours. The rank of each password is then calculated from the weighted sum of all up and down votes.

More information on most difficult four-digit password

Background Information: The Importance of Strong Passwords In today's digital world, passwords are a crucial aspect of our online security. Yet, many of us still use weak and easy-to-guess passwords, making ourselves vulnerable to cyber attacks. A strong password is a combination of uppercase and lowercase letters, numbers, and special characters. Ideally, it should be at least eight characters long and not contain any easily identifiable personal information. But what makes a four-digit password difficult? With only 10,000 possible combinations, it may seem like a simple task to crack. However, there are certain strategies that hackers use to increase their chances of success, such as brute force attacks and dictionary attacks. In a brute force attack, the hacker tries every possible combination of numbers until they find the correct one, which can take a lot of time and resources. A dictionary attack, on the other hand, uses a list of commonly used passwords and their variations to try and guess the correct password. This is why it is crucial to use strong and unique passwords for all of your online accounts, regardless of their length. A weak password can easily be guessed or cracked, putting your personal information at risk. So, the next time you create a password, remember to make it strong and secure!