2024-09-02 07:00:29
Our previous article explored why biometric authentication is now one of the most secure solutions for protecting our digital devices. But even this advanced technology is not foolproof or self-sufficient. For optimal security, it must be combined with other forms of authentication, especially multi-factor authentication (MFA). Among the various authentication factors available, password authentication is still a must-have – provided it is designed properly.
This article will guide you through the process of creating strong, advanced passwords while avoiding some common pitfalls.
What is a strong password?
A password is a key element of authentication and is based on a knowledge factor, in other words, it is known only to you (the user). Unlike a PIN, which consists of only numbers, a strong password mixes uppercase and lowercase letters, numbers, and special characters such as punctuation marks.
In 2024, a truly secure password must be at least 12 characters long, combine all of the different types of characters listed above, and avoid any easily guessed personal information, such as birthdate or common name. Using techniques such as “leet talk” (replacing letters with numbers or symbols) can make passwords more complex and therefore harder to guess or even crack.
Strong passwords have several advantages: they are simple to use, you have full control over them, and they are compatible with almost all systems. In addition, well-crafted passwords can resist sophisticated automated attacks, such as brute force, distributed, or dictionary attacks. However, passwords also have some disadvantages.
The risks of “strong” passwords
Despite these advantages, password authentication also has its limitations. The main risks are as follows:
- Easy to forget: Passwords are becoming more and more complex, about ten characters, and the number of them is increasing, and it is becoming increasingly difficult for human memory to remember them all. Even if it is recommended to use a different password for each account, it will lead to confusion and mistakes.
- Disclosure: Some people think that writing down their passwords on a physical medium such as paper is safe. However, if that paper falls into the wrong hands, all of your accounts could be compromised.
Especially when it comes to digital devices (computers or phones), it’s easy for someone close to you to peek and remember your PIN or password as you enter it on your device. This form of fraud is particularly concerning on mobile devices or in public. There are ways to reduce the risk.
Solutions to protect password security
To fully leverage the benefits of passwords and reduce the risks, here are some practical solutions:
- Use a password manager: Instead of remembering each password, entrust them to a password manager. Also called a “digital safe,” these tools store your passwords securely and can generate unique passwords for each account. Access to these passwords is protected by a master password, which is the only password you need to create and remember.
- Change your password regularly: Some websites require you to change your password regularly. This can improve security, but it is important that your new password is completely different from your previous password to avoid being vulnerable in the event of a breach.
When it comes to close-range attacks, the simplest solutions are sometimes the best: enter your password away from prying eyes, and be wary of nearby cameras that might be capturing your information.
Ultimately, biometric authentication remains one of the best security methods. However, it works best when used in conjunction with a strong password. To effectively protect your devices and digital privacy, it is crucial to adopt a multi-factor authentication strategy. Combining complex, secure, and regularly updated passwords with the latest biometric technology provides the best protection against cyberattacks.
Freddy Basil Bramble
M2 Digital Economy Law – 2023/2024
Sources:
CNIL – Generate strong passwords
Ministry of Economic Affairs – How to create a secure and memorable password?
Freddy BASILA BULAMBO – Biometric Authentication: The Best Security for Your Device?
CNIL – Passwords: new recommendations for controlling security
CCN UNISTRA – Webinar: Easy password creation
About Freddy Basila Bramble
Master 2 Training in Digital Economy Law at the University of Strasbourg.
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