Skip to main content

All Questions

Tagged with
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 ...
Aaron's user avatar
  • 161
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 ...
Daniel Grover's user avatar
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 ...
Chri3's user avatar
  • 327