Hope this isn’t a repeated submission. Funny how they’re trying to deflect blame after they tried to change the EULA post breach.
Hope this isn’t a repeated submission. Funny how they’re trying to deflect blame after they tried to change the EULA post breach.
They did. They had MFA available and these users chose not to enable it. Every 23andMe account is prompted to set up MFA when they start. If people chose not to enable it and then someone gets access to their username and password, that is not 23andMe’s fault.
Also, how do you go about “preventing compromised credentials” if you don’t know that the credentials are compromised ahead of time? The dataset in question was never publicly shared. It was being sold privately.
The fact that they did not enforce 2fa on everyone (mandatory, not just having the feature enabled) is their responsibility. You are handling super sensitive data, credential stuffing is an attack with a super low level of complexity and high likelihood.
Similarly, they probably did not enforce complexity requirements on passwords (making an educated guess vere), or at least not sufficiently, which is also their fault.
Regarding the last bit, it might noto have helped against this specific breach, but we don’t know that. There are companies who offer threat intelligence services and buy data breached specifically to offer this service.
Anyway, in general the point I want to make is simple: if your only defense you have against a known attack like this is a user who chooses a strong and unique password, you don’t have sufficient controls.
I guess we just have different ideas of responsibility. It was 23andMe’s responsibility to offer MFA, and they did. It was the user’s responsibility to choose secure passwords and enable MFA and they didn’t. I would even play devil’s advocate and say that sharing your info with strangers was also the user’s responsibility but that 23andMe could have forced MFA on accounts who shared data with other accounts.
Many people hate MFA systems. It’s up to each user to determine how securely they want to protect their data. The users in question clearly didn’t if they reused passwords and didn’t enable MFA when prompted.
My idea is definitely biased by the fact that I am a security engineer by trade. I believe a company is ultimately responsible for the security of their users, even if the threat is the users’ own behavior. The company is the one able to afford a security department who is competent about the attacks their users are exposed to and able to mitigate them (to a certain extent), and that’s why you enforce things.
Very often companies use “ease” or “users don’t like” to justify the absence of security measures such as enforced 2fa. However, this is their choice, who prioritize not pissing off (potentially) a small % of users for the price of more security for all users (especially the less proficient ones). It is a business choice that they need to be accountable for. I also want to stress that despite being mostly useless, different compliance standards also require measures that protect users who use simple or repeated passwords. That’s why complexity requirements are sometimes demanded, or also the trivial bruteforce protection with lockout period (for example, most gambling licenses require both of these, and companies who don’t enforce them cannot operate in a certain market). Preventing credentials stuffing is no different and if we look at OWASP recommendation, it’s clear that enforcing MFA is the way to go, even if maybe in a way that it does not trigger all the time, which would have worked in this case.
Hard disagree. The company, i.e. the data processor, is the only one who has the full understanding of the data (sensitivity, amount, etc.) and a security department. That’s the entity who needs to understand what threat actors exist for the users and implement controls appropriately. Would you trust a bank that allowed you to login and make bank transfers using just a login/password with no requirements whatsoever on the password and no brute force prevention?
There are services that check provided credentials against a dictionary of compromised ones and reject them. Off the top of my head Microsoft Azure does this and so does Nextcloud.
This assumes that the compromised credentials were made public prior to the exfiltration. In this case, it wasn’t as the data was being sold privately on the dark web. HIBP, Azure, and Nextcloud would have done nothing to prevent this.
Yea, you’re right. Good point.