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Show HN: Breach Insider – Detect a data breach using realistic pseudo-users

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Re: Show HN: Breach Insider – Detect a data breach using realistic pseudo-users

#11
Somewhat related, but anyone have any best practices or can recommend a service to protect your users who have been pwned in another sites data breach?

Rate limiting login attempts for an email address or ip address is all well and good for protecting against brute force attacks, but when the attacker has the correct email and password combination already for the user, and access to massively distributed botnets, how do you block those logins?

Re: Show HN: Breach Insider – Detect a data breach using realistic pseudo-users

#13

Somewhat related, but anyone have any best practices or can recommend a service to protect your users who have been pwned in another sites data breach? Rate limiting login attempts for an email address or ip address is all well and good for protecting against brute force attacks, but when the attacker has the correct email and password combination already for the user, and access to massively distributed botnets, how…

You email the account owner and tell them they've tried to login from somewhere new and ask for their permission to allow the login. If the email has already been pwned, then, well...I don't know, it's game over really.

Re: Show HN: Breach Insider – Detect a data breach using realistic pseudo-users

#14

Earlier quoted context omitted.

Clever for sure. But I wonder how they can identify the leaked account even if they actively scan web / deep web. I mean it's not because Carlos Sanchez is for sale somewhere that it's my "insider".

Creator here – There are a few ways we can detect a breach/leak using our Insiders. 1. The unique email address assigned to the Insider is contacted. We gather forensic evidence of the email along with any attachments. Useful to identify specific attacks against your users too. 2. An optional real mobile number assigned to your Insider is contacted. Again, we store all of the details, including the original SMS detai…

Any plans to work with credit bureaus? I just mentioned last week[0] that credit checks against canary records could be an effective way to combat identity theft.

[0] https://twitter.com/JimDabell/status/935433996787384320

Re: Show HN: Breach Insider – Detect a data breach using realistic pseudo-users

#15

Somewhat related, but anyone have any best practices or can recommend a service to protect your users who have been pwned in another sites data breach? Rate limiting login attempts for an email address or ip address is all well and good for protecting against brute force attacks, but when the attacker has the correct email and password combination already for the user, and access to massively distributed botnets, how…

I've read something about a method used by online banking services some time ago: They tracked the way the customer moves their mouse, calculated their arm lenghts etc. and when the movements were suspiciously different, the system assumes it's a fraud and logs them out.

Re: Show HN: Breach Insider – Detect a data breach using realistic pseudo-users

#16
post #4

Cool. Like canary passwords but for identities. Not enough use of canary passwords people!

A quick Google didn't yield much for "canary passwords", but it sounds like monitoring for passwords as opposed to user email/details as described in the OP.

Care to shed a bit more light on what you mean here and how to effectively use them?

Re: Show HN: Breach Insider – Detect a data breach using realistic pseudo-users

#17
post #15

Somewhat related, but anyone have any best practices or can recommend a service to protect your users who have been pwned in another sites data breach? Rate limiting login attempts for an email address or ip address is all well and good for protecting against brute force attacks, but when the attacker has the correct email and password combination already for the user, and access to massively distributed botnets, how…

I've read something about a method used by online banking services some time ago: They tracked the way the customer moves their mouse, calculated their arm lenghts etc. and when the movements were suspiciously different, the system assumes it's a fraud and logs them out.

I did similar project with Tensorflow. Mouse movements were captured then converted to images and DL model was trained to classify user or not user.

It can also classify classes of users I.e. new portal users are moving mouse differently from users who are familiar with portal.

To add - by itself it’s not a reliable indicator of yes/no.

But rather another risk scoring input to overall identity detection system.

Re: Show HN: Breach Insider – Detect a data breach using realistic pseudo-users

#18
post #10

There's value here in detection of a breach that's already been monetized, but this isn't in the kill chain; it's long-after, so it appears reactive-only. Why should a non-massive company implement this rather than boosting and refining centralized logging and monitoring which can, if done right, provide far more immediate (even real time) notification of a breach? Your Wells Fargos of the world might do it because t…

Any measures can miss the breach.

For example disgruntled insider admin quietly stole all users data on his last day at work.

Re: Show HN: Breach Insider – Detect a data breach using realistic pseudo-users

#19

Somewhat related, but anyone have any best practices or can recommend a service to protect your users who have been pwned in another sites data breach? Rate limiting login attempts for an email address or ip address is all well and good for protecting against brute force attacks, but when the attacker has the correct email and password combination already for the user, and access to massively distributed botnets, how…

You email the account owner and tell them they've tried to login from somewhere new and ask for their permission to allow the login. If the email has already been pwned, then, well...I don't know, it's game over really.

That does kind of confirm to the attacker that the credentials are valid on your system though. And do you do this for every different IP? Kind of annoying for users with dynamic IPs.
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