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Paypal Disables Two Factor From Mobile

ID: ef3b5091-dfc5-58bd-bb5e-5fbbbd7a885c

STIX ID: report--ef3b5091-dfc5-58bd-bb5e-5fbbbd7a885c

Feed Name: Security Ledger

Threat Score
50/100

Date Published: 2014-06-26

Date Updated: 2026-05-08

Author: Paul Roberts

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PayPal has temporarily disabled mobile-application logins that rely on its Security Key two-factor authentication after DUO Labs researcher Zach Lanier disclosed a flaw in a PayPal mobile API that can allow an attacker who has a user’s username and password to bypass the second factor. PayPal says 2FA remains operational across most product experiences, users can use the mobile website, and the company relies on additional fraud-detection controls while it works on a fix.

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