All Questions
3
questions
4
votes
1
answer
708
views
SMS based 2FA intercepts
Reddit just revealed that they experienced a security breach as a result of an intercepted SMS based 2FA. Another post on SMS 2FA refers to flaw in the telecom’s ss7 protocol that was used to perform ...
3
votes
1
answer
365
views
Does SMS flood cause denial of service even when "blocked"?
Imagine a SMS flood using a few phone numbers. The client blocks the phone numbers using the build in mechanism of the smart phone, and thus does not receive any notifications. Even though the user ...
1
vote
0
answers
232
views
How difficult are SS7 hacks? [duplicate]
Out of band communication via SMS has recently been shunned due to SS7 hacks. How likely are these to become more prevalent? I saw this question:
Should 2FA over SMS be considered insecure in the ...