"What is better? Authenticator apps/hardware devices?" Mobile signature (SIM-based)(0) is the most secure method as far as I've seen in banks. Citing wiki: "su

"What is better? Authenticator apps/hardware devices?" Mobile signature (SIM-based)(0) is the most secure method as far as I've seen in banks. Citing wiki: "supporting the authentication on the Internet with a parallel closed network like mobile/GSM and a digital signature enabled SIM card is the most secure method today against the man in the middle attack." 0. https://en.wikipedia.org/wiki/Mobile_signature https://en.wikipedia.org/wiki/Mobile_signature