Don't Miss: Use Leaked Password Databases to Create Brute-Force Wordlists.Over time, many of the most-traded lists become publicly known. Hackers take advantage of these issues by buying and selling lists of stolen user details, with credit card numbers and passwords at the top of the list. Password breaches involving passwords hashed with SHA-1 can still reveal plaintext passwords if they're common or easy-to-guess passwords. Unfortunately, a hash does not solve the problem, because many hashes themselves can be brute-forced. The most common alternative to cleartext is storing the information as plaintext in a more secure form like a hash. The information in a breach can also be stored in different ways, with the worst-case scenario being passwords stored in cleartext. Breaches are not all the same and can contain anything from credit reports to a simple email address. How Your Password Ends Up in a Data BreachÄata breaches frequently make headlines, but it's often not apparent to the users impacted how this puts them at risk. For instance, a tool called H8mail can search through over 1 billion leaked credentials to discover passwords that might still be in use today. Many online users worry about their accounts being breached by some master hacker, but the more likely scenario is falling victim to a bot written to use leaked passwords in data breaches from companies like LinkedIn, MySpace, and Tumblr.
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