Password crackers and passphrase strength

Uroš Weber (2015) Password crackers and passphrase strength. EngD thesis.

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Abstract

The thesis describes the role of passwords to protect unauthorized access to our acounts (and consequently also our data). Technology is constantly evolving, thereby there is also rapid developement of security mechanisms for protection of passwords, as well as new forms of vulnerability for passwords protection. The main purpose of this thesis is to raise awareness of choosing strong passwords and present the application, which can show strength of our password. We will study known password attacks in detail. Attacks will be divided into technical, where we will see the importance of choosing strong passwords, and non technical ones, such as social engineering (which is in appendix ) this presents a collection of attacker's tricks, which presuade us to give up our password or at least a strong hint about it. We will describe some of the programs that exist on the Internet with which can we hack password. We will also briefly survey the deficiencies of Slovenian legislation in the case with personal data of the deceased.

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