Dr.-Ing.  Peter Mayer

Dr.-Ing. Peter Mayer

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Curriculum Vitae

Peter Mayer is a postdoctoral researcher in the SECUSO Research Group of Prof. Dr. Melanie Volkamer at Karlsruhe Institute of Technology. His research focuses on security awareness and education, usable authentication, and email security. Having graduated from Technische Universität Darmstadt with a Master’s degree in IT-Security as well as a Master’s degree in computer science with application subject “Biological Psychology" in 2014, he defended his PhD thesis on "Secure and Usable User Authentication" at Karlsruhe Institute of Technology in November 2019. He currently holds the roles of coordinator and co-speaker of the “Human and Societal Factors” research group in the Helmholtz Association funded subtopic “Engineering Secure Systems” at KIT.

Research Interests

  • Usable Authentication
  • Password Managers
  • Applied Cryptography
  • Security Awareness
  • E-Mail Security

Teaching

  • SoSe 2021: Informationssicherheit (lecture), Codierungstheorie und Kryptographie (seminar)
  • WiSe 2020: Security, Usability und Society (seminar), Security, Usability und Society (programming lab), Sicherheit (programming lab), Human Factors in Security and Privacy (lecture)
  • SoSe 2020: Codierungstheorie und Kryptographie (seminar), Praktikum Security, Usability and Society (programming lab), Seminar Security, Usability und Society (seminar)
  • WiSe 2019: Security, Usability, Society (programming lab), Sicherheit (programming lab)
  • SoSe 2019: Informationssicherheit (lecture), Codierungstheorie und Kryptographie (seminar)
  • WiSe 2018: Security, Usability, Society (programming lab), Sicherheit (programming lab)
  • SoSe 2018: Informationssicherheit (lecture), Praktikum Privacy Friendly Apps (programming lab), Seminar Betriebliche Informationssysteme: Datenschutz und IT-Sicherheit (seminar)
  • WiSe 2017: Usable Security and Privacy (programming lab)
  • SoSe 2017: Human Factors in Security (lecture at Karlstad University, Sweden), Usable Security and Privacy (programming lab)
  • WiSe 2016: Usable Security and Privacy (programming lab)
  • SoSe 2016: Usable Security and Privacy (programming lab)
  • WiSe 2015: Einführung in Trusted Systems / Computer Security (lecture), Usable Security and Privacy (programming lab)
  • SoSe 2015: Einführung in Trusted Systems (lecture)

Co-supervision

Master and Diploma Theses
  • Mathieu Christmann (supervised by Peter Mayer and Prof. Dr. Melanie Volkamer): Shifting to a state-of-the-art password policy: A communication and training approach to increase employees' password security (June 2021)
  • Christopher Beckmann (supervised by Peter Mayer and Prof. Dr. Melanie Volkamer): Development and analysis of a secure and usable data backup system for privacy friendly apps (August 2020)
  • Christoph Wütschner (supervised by Peter Mayer and Prof. Dr Melanie Volkamer): Iterative Neugestaltung der Grafischen Benutzeroberfläche eines Passwort Wiederherstellungsprogramms für Laien (September 2018)
  • Daniel Theiß (supervised by Peter Mayer and Prof. Dr. Melanie Volkamer): A new recovery mechanism for two-factor authentication (May 2017)
  • Kristoffer Braun & Philipp Rack (supervised by Peter Mayer and Prof. Dr. Melanie Volkamer): Shoulder-surfing resistente Authentifizierung mit Gamepads (March 2017)
  • Michael Seidel (supervised by Peter Mayer and Prof. Dr. Melanie Volkamer): Alternative authentication schemes to manage passwords in Firefox (April 2016)
Bachelor Theses
  • Phuong Uyen Nguyenova (supervised by Peter Mayer, Benjamin Reinheimer, and Prof. Dr. Melanie Volkamer): Usability problems of password managers: A longitudinal study focussing on IT lay-users (on-going)
  • Ebru Karavar (supervised by Peter Mayer, Benjamin Reinheimer, and Prof. Dr. Melanie Volkamer): Snapchat, Instragram und co: Generationsunterschiede bzgl. Privacy-Verständnis (January 2020)
  • Marie-Claire Thiery (supervised by Peter Mayer and Prof. Dr. Melanie Volkamer): Fehleinschätzung von Passwortrichtlinien – Ursachen und wie dagegen vorgegangen werden kann (November 2019)
  • Anna Sinitsyna (supervised by Peter Mayer and Prof. Dr. Melanie Volkamer): WebAuthn - A Study On User Perception And Trust (November 2019)
  • Fabian Ballreich (supervised by Peter Mayer and Prof. Dr. Melanie Volkamer): Hot-Spot Security and Awareness (October 2019)
  • Nils Muzzulini (supervised by Peter Mayer and Prof. Dr. Melanie Volkamer): Investigation of Two-Factor Authentication in the Context of Automatic Password Change (May 2018)
  • Mathieu Christmann (supervised by Prof. Dr. Melanie Volkamer and Peter Mayer): Entscheidungsprozesse bei der Auswahl von Password Composition Policies  (March 2018)
  • Thomas Weber (supervised by Peter Mayer and Prof. Dr. Melanie Volkamer): Implementation of a collaborative authentication research platform (November 2017)
  • Philip Stumpf (supervised by Peter Mayer and Prof. Dr. Melanie Volkamer): Entwicklung einer Plattform zur Entscheidungshilfe für Authentifizierungsmechanismen (October 2017)
  • Mustafa Kargi (supervised by Peter Mayer and Prof. Dr. Melanie Volkamer): Conception and Implementation of a Password Recovery Tool for Laymen (September 2016)
  • Hermann Berket (supervised by Peter Mayer and Prof. Dr. Melanie Volkamer): Automatisierter Passwort-Reset in Firefox (April 2016)
  • Dominik Gopp (supervised by Peter Mayer and Prof. Dr. Melanie Volkamer): Secure storage of passwords and effective re-covery/reset (February 2015)

Scientific Services

Reviewing Activities
  • CHI (2020, 2021)
  • ECIS (2018)
  • ICIS (2019)
  • Ifip SEC (2015)
  • IMWUT (2021)
  • INTERACT (2020, 2021)
  • USEC (2015, 2016, 2017)
  • USENIX Security (2020)
  • ACM Transactions on Privacy and Security (2021)
  • Behaviour & Information Technology (2020)
  • Computers in Human Behaviour (2021)
  • IEEE Transactions on Dependable and Secure Computing (2021)
  • IEEE Transactions on Information Forensics & Security (2017, 2020)
  • International Journal of Human-Computer Studies (2018, 2019, 2020)
  • Journal of Cybersecruity (2021)
  • Journal of Information Security and Applications (2017, 2019)
Program Commitee/Jury Memberships
  • Mensch und Computer 2015 / Workshop "Usable Security" (2015)
  • EICC (2021)
  • EuroUSEC (2019)
  • PETS (2021)
  • WAY (2019, 2021)
  • SOUPS Posters (2020)
Organizing Commitee Memberships
  • ACSAC (2019, 2020, 2021)
  • EuroUSEC (2020, 2021)

Talks

Invited Talks

Individuals’ Awareness, Perception, and Responses to Data Breaches that Affected Them
IT University of Copenhagen - Virtual
14th June 2021

Der sichere Umgang mit Passwörtern - Helping Users to Achieve Secure and Usable User Authentication
FH Münster GUDialog - Münster, Germany
15th January 2020

Helping Users to Authenticate Securely
Freie Universität Berlin - Berlin, Germany
20th September 2019

Effektive Anti-Phishing Materialien
Public IT-Security - Berlin, Germany
2nd September 2019

Helping Users to Authenticate Securely
The George Washington University - Washington D.C., USA
26th August 2019

Sensibilisierungsforschung: Wie erreichen Sie die Kolleginnen und Kollegen nachhaltig und effektiv?
IT-SIBe Jahrestagung - Brühl, Germany
10th September 2018

Schutz vor Phishing mit NoPhish
Wissenschaftstag „Sicherheit und Datenschutz im Internet“ - Darmstadt, Germany
18th September 2017

Human Factors in IT Security
secUnity International Summer Schooon „Economics of IT Security and Privacy“ - Darmstadt, Germany
8th
 August 2017

Phishing und andere betrügersiche Nachrichten
Safer Internet Day an der VHS Fulda - Fulda, Germany
7th
 February 2017

Graphische Passwörter als Alternative zu Textpasswörtern?
Usable Security Day - Darmstadt, Germany
16th July 2015

 

Conference Talks

Individuals’ Awareness, Perception, and Responses to Data Breaches that Affected Them
USENIX Security Symposium - Virtual
11th August 2021

Individuals’ Awareness, Perception, and Responses to Data Breaches that Affected Them
PrivacyCon - Virtual
27th July 2021

Better Password Entry On the Couch
PasswordsCon 2019 - Stockholm, Sweden
25th November 2019

I (don't) see what you typed there! Shoulder-surfing resistant password entry on gamepads
Conference on Human Factors in Computing Systems - Glasgow, UK
6th May 2019

On The Systematic Development and Evaluation Of Password Security Awareness-Raising Materials
Annual Computer Security Applications Conference - San Juan, USA
7th December 2018

Motivating Users to Consider Recommendations on Password Management Strategies
International Symposium on Human Aspects of Information Security & Assurance - Dundee, UK
30th August 2018

Replication Study: A Cross-Country Field Observation Study of Real World PIN Usage at ATMs and in Various Electronic Payment Scenarios
Symposium on Usable Privacy and Security - Baltimore, USA
13th August 2018

ACCESSv2: A Collaborative Authentication Research and Decision Support Platform
Who are you? Adventures in Authentication Workshop - Baltimore, USA
12th August 2018

Addressing Misconceptions About Password Security Effectively
International Workshop on Socio-Technical Aspects in Security and Trust - Orlando, USA
5th December 2017

Reliable Behavioural Factors in the Information Security Context
International Conference on Availability, Reliability and Security - Reggio Calabria, Italy
29th
 August 2017

A Second Look at Password Composition Policies in the Wild: Comparing Samples from 2010 and 2016
Symposium on Usable Privacy and Security - Santa Clara, USA
13th
July 2017

Enabling Automatic Password Change in Password Managers Through Crowdsourcing
International Conference on Passwords - Bochum, Germany
6th December 2016 (watch it online)

Supporting Decision Makers in Choosing Suitable Authentication Schemes
International Symposium on Human Aspects of Information Security & Assurance - Frankfurt, Germany
20th July 2015

Secure and Efficient Key Derivation in Portfolio Authentication Schemes Using Blakley Secret Sharing
Annual Computer Security Applications Conference - Los Angeles, USA
11th December 2015

Authentication Schemes - Comparison and Effective Password Spaces
International Conference on Information Systems Security - Hyderabad, India
19th December 2014

Are Graphical Authentication Mechanisms As Strong As Passwords?
Federated Conference on Computer Science and Information Systems - Krakow, Poland
September 2013

Publikationen


2021
How to Increase Smart Home Security and Privacy Risk Perception.
Duezguen, R.; Mayer, P.; Berens, B.; Beckmann, C.; Aldag, L.; Mossano, M.; Volkamer, M.; Strufe, T.
2021. 20th IEEE International Conference on Trust, Security and Privacy in Computing and Communications (TrustCom), 18 - 20 Augus 2021, Shenyang, China
"Now I’m a bit angry:" Individuals’ Awareness, Perception, and Responses to Data Breaches that Affected Them.
Mayer, P.; Zou, Y.; Schaub, F.; Aviv, A. J.
2021. 30th USENIX Security Symposium, Vancouver, CDN, August 11-13, 2021, Advanced Computing Systems Association (USENIX)
A Literature Review on Virtual Reality Authentication.
Jones, J. M.; Duezguen, R.; Mayer, P.; Volkamer, M.; Das, S.
2021. Human Aspects of Information Security and Assurance - 15th IFIP WG 11.12 International Symposium, HAISA 2021, Virtual Event, July 7–9, 2021, Proceedings. Ed.: S. Furnell, 189–198, Springer. doi:10.1007/978-3-030-81111-2_16
Vision: What Johnny learns about Password Security from Videos posted on YouTube.
Christmann, M.; Mayer, P.; Volkamer, M.
2021. European Symposium on Usable Security (EuroUSEC), 11 - 12 Oktober 2021, Association for Computing Machinery (ACM)
How to Effectively Communicate Benefits of Introducing a Modern Password Policy to Employees in Companies.
Christmann, M.; Mayer, P.; Volkamer, M.
2021. Who are you? Adventures in Authentication Workshop (WAY), 8. August 2021
Human Factors in Security.
Berens, B.; Ghiglieri, M.; Kulyk, O.; Mayer, P.; Volkamer, M.
2021. Sicherheitskritische Mensch-Computer-Interaktion. Hrsg.: C. Reuter, 89–110, Springer Fachmedien Wiesbaden
2020
An investigation of phishing awareness and education over time: When and how to best remind users.
Reinheimer, B. M.; Aldag, L.; Mayer, P.; Mossano, M.; Düzgün, R.; Lofthouse, B.; von Landesberger, T.; Volkamer, M.
2020. Proceedings of the Sixteenth Symposium on Usable Privacy and Security (SOUPS 2020) : August 10-11, 2020, 259–284, Advanced Computing Systems Association (USENIX)
Towards Secure and Usable Authentication for Augmented and Virtual Reality Head-Mounted Displays.
Düzgün, R.; Mayer, P.; Das, S.; Volkamer, M.
2020. Who Are You?! Adventures in Authentication Workshop (WAY), co-located with 16th Symposium on Usable Privacy and Security (SOUPS 2020), August 7–11, 2020
Erstellung von effektiven Sensibilisierungsmaterialien zur Passwortsicherheit.
Mayer, P.; Ballreich, F.; Düzgün, R.; Schwarz, C.; Volkamer, M.
2020. Datenschutz und Datensicherheit, 44 (8), 522–527. doi:10.1007/s11623-020-1318-9
Secure and Usable User Authentication. Dissertation.
Mayer, P.
2020, März 4. Karlsruher Institut für Technologie (KIT). doi:10.5445/IR/1000117445
Security and Privacy Awareness in Smart Environments – A Cross-Country Investigation.
Kulyk, O.; Reinheimer, B.; Aldag, L.; Mayer, P.; Gerber, N.; Volkamer, M.
2020. Financial Cryptography and Data Security : FC 2020 International Workshops, AsiaUSEC, CoDeFi, VOTING, and WTSC, Kota Kinabalu, Malaysia, February 14, 2020, Revised Selected Papers. Ed.: Matthew Bernhard, 84–101, Springer. doi:10.1007/978-3-030-54455-3_7
Analysis of publicly available anti-phishing webpages: contradicting information, lack of concrete advice and very narrow attack vector.
Mossano, M.; Vaniea, K.; Aldag, L.; Düzgün, R.; Mayer, P.; Volkamer, M.
2020. IEEE European Symposium on Security and Privacy 2020, (EuroS&PW) - The 5th European Workshop on Usable Security, September 7, 2020, Online (ursprünglich: June 15, 2020, Genova, Italy), 130–139, Institute of Electrical and Electronics Engineers (IEEE). doi:10.1109/EuroSPW51379.2020.00026
2019
Erklärvideo “Online-Betrug” – Nach nur fünf Minuten Phishing E-Mails nachweislich signifikant besser erkennen.
Volkamer, M.; Renaud, K.; Reinheimer, B.; Rack, P.; Ghiglieri, M.; Gerber, N.; Mayer, P.; Kunz, A.
2019. IT-Sicherheit als Voraussetzung für eine erfolgreiche Digitalisierung : Tagungsband zum 16. Deutschen IT-Sicherheitskongress, 307–318, SecuMedia Verlag
Keep on rating – on the systematic rating and comparison of authentication schemes.
Zimmermann, V.; Gerber, N.; Mayer, P.; Kleboth, M.; Preuschen, A. von; Schmidt, K.
2019. Information and computer security, 26 (5), 621–635. doi:10.1108/ICS-01-2019-0020
Poster: On The Systematic Development and Evaluation Of Password Security Awareness-Raising Materials.
Mayer, P.; Schwartz, C.; Volkamer, M.
2019. 15th Symposium on Usable Privacy and Security (SOUPS 2019), Santa Clara, CA, USA, 11.–13. August 2019
I (don’t) see what you typed there! Shoulder-surfing resistant password entry on gamepads.
Mayer, P.; Gerber, N.; Reinheimer, B.; Rack, P.; Braun, K.; Volkamer, M.
2019. Proceedings of the 2019 CHI Conference on Human Factors in Computing Systems, Paper 549, Association for Computing Machinery (ACM). doi:10.1145/3290605.3300779
2018
Analyse der Sicherheit und Erinnerbarkeit der DsiN-Passwortkarte.
Mayer, P.; Kunz, A.; Volkamer, M.
2018. Datenschutz und Datensicherheit, 42 (5), 307–310. doi:10.1007/s11623-018-0946-9
Assistance in Daily Password Generation Tasks.
Marky, K.; Mayer, P.; Gerber, N.; Zimmermann, V.
2018. 2018 Joint ACM International Conference on Pervasive and Ubiquitous Computing, UbiComp 2018 and 2018 ACM International Symposium on Wearable Computers, ISWC 2018; Singapore; Singapore; 8 October 2018 through 12 October 2018, 786–793, Association for Computing Machinery (ACM). doi:10.1145/3267305.3274127
On The Systematic Development and Evaluation Of Password Security Awareness-Raising Materials.
Mayer, P.; Schwartz, C.; Volkamer, M.
2018. ACSAC ’18 Proceedings of the 34th Annual Computer Security Applications Conference, San Juan, PR, USA — December 03 - 07, 2018, 733–748, Association for Computing Machinery (ACM). doi:10.1145/3274694.3274747
ACCESSv2: A Collaborative Authentication Research and Decision Support Platform.
Mayer, P.; Stumpf, P.; Weber, T.; Volkamer, M.
2018. Who are you? Adventures in Authentication Workshop 2018, co-located with SOUPS 2018 at the Baltimore Marriott Waterfront in Baltimore, MD, USA, August 12–14, 2018, 5 S
The Quest to Replace Passwords Revisited - Rating Authentication Schemes.
Zimmermann, V.; Gerber, N.; Kleboth, M.; Preuschen, A. von; Schmidt, K.; Mayer, P.
2018. Proceedings of the 12th International Symposium on Human Aspects of Information Security and Assurance (HAISA 2018), Dundee, UK, August 29 - 31, 2018. Ed.: N. Clarke, 38–48, Centre for Security
Motivating Users to Consider Recommendations on Password Management Strategies.
Mayer, P.; Kunz, A.; Volkamer, M.
2018. International Symposium on Human Aspects of Information Security Assurance, (HAISA 2018), Dundee, Scotland, 29th - 31st August 2018, 28–37, University of Plymouth
Developing and Evaluating a Five Minute Phishing Awareness Video.
Volkamer, M.; Renaud, K.; Reinheimer, B. M.; Rack, P.; Ghiglieri, M.; Mayer, P.; Kunz, A.; Gerber, N.
2018. Trust, Privacy and Security in Digital Business - 15th International Conference (TrustBus 2018), Regensburg, Germany, September 5–6, 2018. Ed.: S. Furnell, 119–134, Springer
Poster: Addressing Misconceptions About Password Security Effectively.
Mayer, P.; Volkamer, M.
2018. Fourteenth Symposium on Usable Privacy and Security (SOUPS 2018 Posters), Baltimore, MD, USA, 12.–14.08.2018
A Concept and Evaluation of Usable and Fine-Grained Privacy-Friendly Cookie Settings Interface.
Kulyk, O.; Mayer, P.; Käfer O.; Volkamer, M.
2018. The 17th IEEE International Conference On Trust, Security And Privacy In Computing And Communications (TrustCom 2018), New York, NY, August 1-3, 2018, 1058–1063, Institute of Electrical and Electronics Engineers (IEEE). doi:10.1109/TrustCom/BigDataSE.2018.00148
Replication Study: A Cross-Country Field Observation Study of Real World PIN Usage at ATMs and in Various Electronic Payment Scenarios.
Volkamer, M.; Gutmann, A.; Renaud, K.; Gerber, P.; Mayer, P.
2018. Fourteenth Symposium on Usable Privacy and Security (SOUPS), Baltimore, MD, USA, August 12–14, 2018, Advanced Computing Systems Association (USENIX)
Human Factors in Security.
Gerber, P.; Ghiglieri, M.; Henhapl, B.; Kulyk, O.; Marky, K.; Mayer, P.; Reinheimer, B.; Volkamer, M.
2018. Sicherheitskritische Mensch-Computer-Interaktion, 83–98, Vieweg Verlag. doi:10.1007/978-3-658-19523-6_5
2017
Analysis of the Security and Memorability of the Password Card.
Mayer, P.; Kunz, A.; Volkamer, M.
2017. ACSAC 2017, Orlando, FL, December 4–8, 2017
Addressing Misconceptions About Password Security Effectively.
Mayer, P.; Volkamer, M.
2017. 7th International Workshop on Socio-Technical Aspects in Security and Trust (STAST), Orlando, Florida, USA, December 5, 2017, 16–27, Association for Computing Machinery (ACM). doi:10.1145/3167996.3167998
Reliable Behavioural Factors in the Information Security Context.
Mayer, P.; Kunz, A.; Volkamer, M.
2017. 12th International Conference on Availability, Reliability and Security (ARES), Reggio Calabria, Italy, August 29 - September 01, 2017, Art.Nr. a9, Association for Computing Machinery (ACM). doi:10.1145/3098954.3098986
A Second Look at Password Composition Policies in the Wild: Comparing Samples from 2010 and 2016.
Mayer, P.; Kirchner, J.; Volkamer, M.
2017. 13th Symposium on Usable Privacy and Security (SOUPS), Santa Clara, CA, USA, July 12–14, 2017, 13–28, USENIX Assoc
Productivity vs. Security: Mitigating Conflicting Goals in Organizations.
Mayer, P.; Gerber, N.; McDermott, R.; Volkamer, M.; Vogt, J.
2017. Information and computer security, 25 (2), 137–151. doi:10.1108/ICS-03-2017-0014
Poster: Secure Storage of Masked Password.
Mayer, P.; Volkamer, M.
2017. 2nd IEEE European Symposium on Security and Privacy, Paris, F, April 26-28, 2017
2016
POSTER: Towards Collaboratively Supporting Decision Makers in Choosing Suitable Authentication Schemes.
Mayer, P.; Neumann, S.; Volkamer, M.
2016. 23rd ACM Conference on Computer and Communications Security, CCS´16, Vienna, Austria, October 24-28, 2016, 1817–1819, Association for Computing Machinery (ACM). doi:10.1145/2976749.2989045
Enabling Automatic Password Change in Password Managers Through Crowdsourcing.
Mayer, P.; Berket, H.; Volkamer, M.
2016. The 11th International Conference on Passwords (PASSWORDS2016), Bochum, Germany, 5 - 7 December 2016, 6 S., Springer
Supporting Decision Makers in Choosing Suitable Authentication Schemes.
Mayer, P.; Neumann, S.; Storck, D.; Volkamer, M.
2016. Tenth International Symposium on Human Aspects of Information Security & Assurance (HAISA 2016), Frankfurt, Germany, July 19-21, 2016, 67–77, University of Plymouth
Teaching Phishing-Security: Which Way is Best?.
Stockhardt, S.; Reinheimer, B.; Volkamer, M.; Mayer, P.; Kunz, A.; Rack, P.; Lehmann, D.
2016. 31st International Conference on ICT Systems Security and Privacy Protection - IFIP SEC 2016, Ghent, Belgium, May 30th - June 1st, 2016, 135–149, Springer. doi:10.1007/978-3-319-33630-5_10
ZeTA-zero-trust authentication: Relying on innate human ability, not technology.
Gutmann, A.; Renaud, K.; Maguire, J.; Mayer, P.; Volkamer, M.; Matsuura, K.; Müller-Quade, J.
2016. 1st IEEE European Symposium on Security and Privacy, EURO S and P 2016, Saarbrücken, 21 - 24 March, 2016, 357–371, Institute of Electrical and Electronics Engineers (IEEE). doi:10.1109/EuroSP.2016.35
2015
Secure and Efficient Key Derivation in Portfolio Authentication Schemes Using Blakley Secret Sharing.
Mayer, P.; Volkamer, M.
2015. Annual Computer Security Applications Conference, 431–440, Association for Computing Machinery (ACM). doi:10.1145/2818000.2818043
2014
Authentication Schemes - Comparison and Effective Password Spaces.
Mayer, P.; Volkamer, M.; Kauer, M.
2014. Information Systems Security (ICISS), Hyderabad, India, December 16-20, 2014. Ed.: A. Prakash, 204–225, Springer. doi:10.1007/978-3-319-13841-1_12
2013
Are Graphical Authentication Mechanisms As Strong As Passwords?.
Renaud, K.; Mayer, P.; Volkamer, M.; Maguire, J.
2013. 2013 Federated Conference on Computer Science and Information Systems, FedCSIS 2013, Krakow, Poland, 8th - 11th September 2013, 837–844, Institute of Electrical and Electronics Engineers (IEEE)