What are some limitations and security risks associated with SMS-based two-factor authentication in English?

A blue dot next to a contact profile icon on an Android phone means that the user can use the chat messaging feature with that particular contact to send or ... Sometimes the delivery confirmations from the Operator or handset can be delayed or sent in batches, so this is often not a good indicator of message delivery ... Jan 15, 2016 ... The SMS must be appropriate to the size, scope, and complexity of the certificate holder's operation and include at least the following components. Oct 18, 2018 ... What does it mean when I've received an error message stating that the SMS password reset functionality has not been enabled? A. This error ... Jan 15, 2025 ... ... is a device-agnostic messaging standard that multiple carriers offer. This means that iMessage is only available for Apple devices. For the ... The number no longer exists or has been disconnected. The mobile phone is rejecting the SMS. The user may have a 'do not disturb' (DND) setting enabled. Feb 23, 2024 ... A green bubble with the “sent as a text message” notice indicates that your message attempted to send via iMessage but was unable to, so instead ... SMS stands for Short Message Service. It is a text messaging service that allows the exchange of short text messages between mobile devices. Aug 5, 2022 ... Not everyone wants to receive SMS messages. Yes, they gave you their phone number — no, that does not give you a carte-blanche to message them ... May 24, 2022 ... Comments Section ... It means it's been sent as a SMS message and not an iMessage. ... Ok so texts on ios use Apple's imessage (the blue bubble).