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by quuquuquu
3196 days ago
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I don't mean to sound utterly petty, but most security threats these days seem to be external to the device you are using. Yes it sucks when a windows xp machine catches a massive virus from a random website. But here I am with an iphone 5 that cost me $xxx, it gets updates that slow the phone down and break a lot of functionality, and my ssn isn't keylogged from my device, it's just leaked by someone else! Now luckily my passwords aren't being keylogged but- wait! damnit! |
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It depends. From the top of my head, the smartphone is the most common second factor, so an attacker that's on your smartphone may be able to log onto most services that have 2FA. Or alternatively, they can DoS your own attempts to log into these services by deleting SMS, or just sending the phone into a reboot loop. (Of course, "targeted DoS" is not in everyone's threat model. But still, I have more peace of mind using a dedicated TAN generator device instead of my phone.)