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In the 2000s, security questions came into widespread use on the Internet. [1] As a form of self-service password reset, security questions have reduced information technology help desk costs. [1] By allowing the use of security questions online, they are rendered vulnerable to keystroke logging and brute-force guessing attacks, [3] as well as ...
The core of a cognitive password system lies the cues. These can be photos of faces, newspapers, images, or other graphical or textual cues. One early method of assisting recall recommended the now later security questions. These questions were designed to be more memorable than the standard username/password authentication method.
As with any security measure, passwords vary in strength; some are weaker than others. For example, the difference in strength between a dictionary word and a word with obfuscation (e.g. letters in the password are substituted by, say, numbers — a common approach) may cost a password-cracking device a few more seconds; this adds little strength.
• Use a strong password and change it regularly - Create a strong password to minimize the risk of unauthorized account access. • Add another level of security - Turn on two-step verification and get sent a security code when someone logs in from an unfamiliar device or location.
Examples of these are: Encrypted Key Exchange (EKE) PAK and PPK [2] SPEKE (Simple password exponential key exchange) Dragonfly – IEEE Std 802.11-2012, RFC 5931, RFC 6617; CPace [3] SPAKE1 [4] and SPAKE2 [5] SESPAKE [6] J-PAKE (Password Authenticated Key Exchange by Juggling) – ISO/IEC 11770-4 (2017), RFC 8236; ITU-T Recommendation X.1035
Dynamic KBA is a high level of authentication that uses knowledge questions to verify each individual identity but does not require the person to have provided the questions and answers beforehand. Questions are compiled from public and private data such as marketing data, credit reports or transaction history.
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