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We Got Phished

exploratorium.edu

31–40 of 156 posts

Re: We Got Phished

#31
post #25

I use Lastpass and I just realized that it prevents phishing since it autocompletes my login info based on the domain.

Which is yet another reason (not that we needed one) why those pages which try to prevent autocomplete of passwords are wrong, wrong, wrong .

While I also don't like sites breaking autocomplete, LastPass' "Show matching sites" dropdown only lists accounts valid for the current domain. So a very similar protection is available even without autocomplete.

Re: We Got Phished

#32
post #17

Earlier quoted context omitted.

How does it help? Can't the attacker make a query to Google for the user image and display it on the phishing page?

No. There is no email-to-profile-pic mapping endpoint for unauthenticated users, to my knowledge.

Then how does the image consistently display before the password has been provided? No matter what the answer is, I don't see how it could be an anti-phishing feature.

Re: We Got Phished

#34
post #16

2-factor would have prevented this - no ?

Only if you use a U2F hardware token. 2FA using SMS or a smartphone app merely raises the bar for phishing: the attacker can forward the password along to the real service, prompt the user for the 2FA code, forward that along too, and then get a session cookie which they can use to access the account later.

I've been thinking about buying a YubiKey. Could you elaborate on how U2F protects against MitM and phishing?

Re: We Got Phished

#35

2-factor would have prevented this - no ?

The phisher can just relay your token to establish a login from their end, and still have access to your account. In this article, the attacker created a filter to move all incoming messages to Trash (that doesn't require a token to do), then they deleted the contacts (I don't think that requires a token), and kept an active connection to the Inbox (also doesn't require a token).

This is true for the tokens which generate numbers you type in. I don't think it's the case for USB tokens, however.

Re: We Got Phished

#36
post #16

Earlier quoted context omitted.

Only if you use a U2F hardware token. 2FA using SMS or a smartphone app merely raises the bar for phishing: the attacker can forward the password along to the real service, prompt the user for the 2FA code, forward that along too, and then get a session cookie which they can use to access the account later.

I've been thinking about buying a YubiKey. Could you elaborate on how U2F protects against MitM and phishing?

U2F knows what domain you're using it with, and won't send an authentication token for google.com to phisher.com.

Re: We Got Phished

#37
post #17

Earlier quoted context omitted.

How does it help? Can't the attacker make a query to Google for the user image and display it on the phishing page?

No. There is no email-to-profile-pic mapping endpoint for unauthenticated users, to my knowledge.

I've seen targeted gmail phishing emails, within the last week, that contain the correct email picture.

They are getting images from somewhere...so...no, this isn't a security feature.

Re: We Got Phished

#38
post #19

The beginning of the story is missing. PZ clicked on the link in the email because it was "received [...] from a familiar mailing list" . Did PZ trust a mailing list where anyone could post? Or did the attackers spoof the "from" field? The former may have been prevented by employee training, the latter by SPF or similar technologies.

I mean, I don't think the argument at any point is that it couldn't have possibly been prevented or that nobody made a mistake in this story.

Re: We Got Phished

#39

Earlier quoted context omitted.

Here's some more info on that: http://security.stackexchange.com/questions/19155/effectiven...

That's incredible. Not sure if I underestimated hackers ingenuity or underestimated how gullible people are..

I don't know if it's "gullible" so much as not understanding or caring about the feature.

Re: We Got Phished

#40

I use Lastpass and I just realized that it prevents phishing since it autocompletes my login info based on the domain.

Don't forget that the LastPass chrome extension has been tricked in the past to extract passwords from arbitrary domains. It's still important to use your brain when clicking links and invoking LastPass's autofill functions.

https://labs.detectify.com/2016/07/27/how-i-made-lastpass-gi...

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