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What is Dictionary Attack?
A dictionary attack occurs when someone tries multiple words from a list such as a dictionary to guess the password. They try different words until they find the right one. It”s like trying to open a lock by trying multiple keys until one works.
In other words, a dictionary attack is a type of malicious attack in which hackers who try to guess the password of their online user account by typing common combinations of words, phrases and numbers, can get access to things like social media profiles, even password protected files etc. This is when an attacker can be a real problem for the victim.
How does dictionary attack work?
This hacking uses a systematic method to crack passwords. Basically, there are three steps to mastering these hacks and understanding them can help in learning how to prevent dictionary attacks −
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Typically, an attacker will create a custom list of password options-a brute force dictionary-that specifies popular combinations of words and numbers
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Automated software then uses this brute-force dictionary to try to access online accounts.
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If a dictionary attack successfully penetrates a vulnerable account, the hacker uses any sensitive data stored in the profile to create his own access. This could be fraud, acting in bad faith, or simply accessing an account to make money.
To gather the potential passwords, an attacker will typically use the names of common pets, recognizable pop culture figures, or athletes from major leagues, for example the, because many people use words that make sense to them and they create passwords that are easy to remember. Often, variations of these will be included in the list, such as different combinations of words or the addition of special characters.
Building this list with automated tools also makes dictionary attacks easier to succeed. Using a password list and collaboration tools makes it much faster than trying to crack a password and log into an online account. If this were done manually, the attack would take much longer to give the account owner or system administrator time to notice and implement protection against the attack.
Because of the methodology, these dictionary attacks rarely have any individual targets. Instead, they work in the hope that one of the passwords on the list will be correct. However, if the attacker is targeting a specific location or organization, a more focused and localized list of terms will be produced. For example, if they plan to invade Spain, they can use standard Spanish words instead of English. Or, if they are targeting a specific organization, they can use words associated with that company.
Dictionary Attack vs Brute Force
While a dictionary attack is a form of brutal attack, there is an important difference between the two. Whereas dictionary attacks use a fixed set of words to systematically break down a mathematical word, brute force hacks do not use letters but rather, any combination of letters, symbols, and numbers that they are not intentionally passable so that dictionary attacks are often more effective-and more likely to succeed. Since they have far fewer combinations to test.
With 26 letters in the alphabet and 10 single numbers 36 digits in all the number of possible combinations for a successful brute force attack is almost impractical. According to the context, a brutal attack on a 10-character input would be in 3.76 squares of possible alphanumeric password runs.
However, the advantage of brute force attacks is that their trial and error method often cracks complex and unique passwords because they use such a complete list of possible passwords, so eventually that attack will have the appropriate character combination for a password.
How to prevent Dictionary Attacks
To prevent dictionary attacks you can −
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Use Strong and Unique Passwords − Choose passwords that are hard for others to guess, don’t let common words appear in dictionaries.
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Avoid Easy Passwords − Unexpectedly many people use simple, easy-to-hack word and number combinations as passwords, like “Password123” or “abcd1234”. These are the most vulnerable to hacking since dictionary attacks are specifically designed to crack easy-to-guess passwords.
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Enable Multi Factor Authentication − This adds an extra layer of security by requiring an additional method of authentication along with your password, such as a code sent to your phone.
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Limit Login Attempts − Some systems can block or slow down repeated logins after a certain number of failed attempts, making it harder for attackers to guess passwords.
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Use Account Lockout Policy − Automatically lock out user accounts after multiple unsuccessful login attempts, preventing further review.
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Update Passwords Regularly − Change your passwords periodically to reduce the chances of long-term guessing.
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Check for Suspicious Activity − Watch for any unusual login attempts or actions on your accounts and investigate immediately.
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Forced reset − Dictionary hacking usually relies on repeated attempts to crack a password. Reduce the chances of a successful attack by forcing the password to be reset after a certain number of failed attempts. If this is not an option you can work with on your accounts, you can make it manual by enabling online accounts to send you an email in the event of a failed login attempt, if you are notified if someone is trying to access an account, especially if you receive these notifications in rapid succession You can change the password to ensure it remains secure.
Summary
Dictionary attacks are a way for hackers to guess a password by trying many words from a list such as a dictionary, until they find the right one. This attack is based on words, phrases, or characters as it is usually used by people as a password.
Organizations and individuals can implement several preventive measures to defend against dictionary attacks, such as using strong unique passwords, enabling multi factor authentication, effort to limit access, implement account lockout procedures, regular password updates, monitor suspicious activity, enforce passwords -Enforcement is also configured after a certain amount unsuccessful attempts to enter. These features can significantly reduce the risk of falling victim to a dictionary attack and increase overall cybersecurity.
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