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Visualizing keyboard pattern passwords

机译：可视化键盘模式密码

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摘要

Passwords are fundamental security vulnerabilities in many systems. Several researchers have investigated the trade-off between password memorability versus resiliency to cracking and have looked at alternative systems such as graphical passwords and biometrics. To create stronger passwords, many systems enforce rules regarding the required length and types of characters passwords must contain. Another suggested approach is to use passphrases to combat dictionary attacks. One common " trick' used to remember passwords that conform to complex rules is to select a pattern of keys on the keyboard. Although appearing random, the pattern is easy to remember. The purpose of this research was to investigate how often patterns are used, whether patterns could be classified into common categories, and whether those categories could be used to attack and defeat pattern-based passwords. Visualization techniques were used to collect data and assist in pattern categorization. The approach successfully identified 2 out of 11 passwords in a real-world password file that were not discovered with a traditional dictionary attack. This article will present the approach used to collect and categorize patterns, and describe the resulting attack method that successfully identified passwords in a live system.
机译：密码是许多系统中的基本安全漏洞。几位研究人员研究了密码记忆力与破解能力之间的权衡，并研究了图形密码和生物识别技术等替代系统。为了创建更强的密码，许多系统都强制执行有关密码必须包含的字符长度和类型的规则。另一种建议的方法是使用密码短语来对抗字典攻击。用来记住符合复杂规则的密码的一个常见“技巧”是在键盘上选择一种键模式。尽管它看起来是随机的，但该模式很容易记住。本研究的目的是调查使用模式的频率，是否可以将模式分类为常见类别，以及是否可以使用这些类别来攻击和破坏基于模式的密码；使用可视化技术来收集数据并协助模式分类；该方法成功地在11个真实密码中识别了2个-world密码文件，这是传统字典攻击所无法发现的，本文将介绍用于收集和分类模式的方法，并描述最终在实时系统中成功识别密码的攻击方法。

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