Getting 2FA Right in 2019 | Trail of Bits Bloghttps://blog.trailofbits.com/2019/06/20/getting-2fa-right-in-2019/
How Hackers Bypass Gmail 2FA at Scale - Motherboardhttps://motherboard.vice.com/en_us/article/bje3kw/how-hackers-bypass-gmail-two-factor-authentication-2fa-yahoo