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Authentication Afterlife - The Dark Side of Making Lost Password Recovery Harder

linux.conf.au via YouTube

Overview

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This course explores the challenges and implications of enhancing authentication security measures, such as password managers, 2FA, and additional authentication flows, on account recovery in cases of lost access or user incapacitation. It delves into the balance between improving security and enabling legitimate access by trusted individuals, addressing scenarios like account recovery with 2FA enabled and considerations for account access after the user's passing. The course utilizes tabletop scenarios to discuss potential solutions, mitigations, and personal strategies, emphasizing the importance of thoughtful authentication practices in modern times. The intended audience includes individuals interested in cybersecurity, authentication mechanisms, and the ethical considerations surrounding account access in various scenarios.

Syllabus

Intro
Tabletop Scenarios
Tabletop Scenario #1
Administrivia
Perils of the naive solution
Avoiding the 2FA bypass
Tabletop Scenario #2
Possible solutions
Tabletop Scenario #3
Impersonation
Security Questions
Changing Password Every Login Easier Than Remembering Password
Alternate Authentication Methods - for Attackers
Recovery with 2FA enabled
2FA recovery
Tabletop Scenario #4
Unhappy Story
Potential Mitigations
First steps
Ongoing steps
Tabletop Scenario #5 - Account discovery
Considering death
Personal observations - 1/2
Personal mitigations - 1/3
Keep good records
Personal mitigations - 3/3
Personal mitigations - parallels
Conclusions - 2/2
Questions/Discussion

Taught by

linux.conf.au

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