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Assessing the security and privacy of Vaccine Passports

There has been a lot of development lately in the field of health credentials, especially in the field of vaccine credentials. This has largely been driven by a perceived need to track and validate an individual’s vaccination status with respect to COVID-19. This post attempts to explore the security and privacy concerns related with vaccine […]


Technical Advisory – New York State Excelsior Pass Vaccine Passport Credential Forgery

Summary New York State developed an application called NYS Excelsior Pass Wallet that allows users to acquire and store a COVID-19 vaccine credential. During some research it was discovered that this application does not validate vaccine credentials added to it, allowing forged credentials to be stored by users. Impact This issue would allow an individual […]