‘12345’: Research reveals that only 6% of the passwords are unique

CyberNews Cyberrsecurity Independent Site’s research found that only 6% of the passwords circulating on the Internet were unique, that is, only used in an account. The data concerns and shows that most of the online services may suffer from authentication theft.

Check: Hacker publishes the so -called passwords of 20 million chatgpt users

Between April 2024 and April 2025, the study infiltrated 19 billion passwords. The base took into account only public information.

• According to another conclusion of researchers, most people use passwords between 8 to 10 characters (42% of the analyzed passwords were);
• Approximately 27% of the passwords use only lowercase or numbers;
• “1234” numerical series is almost 4% of the analyzed passwords, ie more than 727 million;
• Portuguese passwords or “password” and “123456” are the most popular.

“We are faced with a widespread epidemic to reuse weak passwords. Only 6% of the passwords are unique, which makes users extremely vulnerable? [o hacker vai tentando palavras e termos até encontrar a combinação correta]. For most, security depends on the authentication of the two factors – if it is activated, Cy CyberNaws explained, Neringa Macijauskaite.

What are the most popular passwords?

After the numerical series, people’s names are the second most common element in most passwords. Almost 1% of the analyzed passwords had the name “Mother”.

Remember that the data reflects the questions from US users, check out other very popular passwords exposed to public leaks:

• Love (87 million passwords);
• Sun (34 million);
• Lion (9.7 million);
• Mario (9.6 million);
• FOX (7.7 million);
• Kurd (7.5 million);
• Bear (7.4 million);
• Dream (6.1 million);
• Joy (6.9 million);
• Thor (6.2 million);
• Bull (5.9 million);
• Batman (3.9 million);
• Banana (3.7 million);
• Joker (3.1 million);
• Elsa (2.9 million);
• Freedom (2 million).

How to create a safe password?

CyberNews gave some clues to create your passwords and handle it safely:

• Use 1Password, Google Password Manager, LastPass or other password managers;
• Do not reuse passwords for various different services and accounts. Create a unique password for each input;
• Use at least 12 characters in your password when the service allows;
• The ideal password, capital letters, lowercase letters, numbers, and at least a special symbol, all together and mixed;
• Do not use words, names, terms or arrays that can be recognized;
• Enable authentication in two factors in all possible services.

So, do you take good care of your passwords? Follow Tecmundo In social networks, to stay above all tips to prevent data leakage!