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University pays $20,000 to ransomware hackers

bbc.co.uk

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Re: University pays $20,000 to ransomware hackers

#51
post #18

Earlier quoted context omitted.

Raise public awareness?

That can do some good in the long term. It will eventually get operating system vendors to enforce much stricter security measures by default that perhaps they wouldn't have considered otherwise or anytime soon, because they would "break legacy code" or whatever. It's also good that this is coming at a time before the rise of self-driving cars. Because the vast majority of car makers seem to know nothing about securi…

>In the meantime, beyond alerting criminals that ransomware is big business, it will probably also be used as an excuse to pass more CISA-like surveillance laws (which will do absolutely nothing to stop the rise of ransomware).

See, I actually don't think that this will change the level of deployment for ransomware. Ransomware has proven its effectiveness from the very first time it hit the web; it's a low cost high return form of malware due to the nature of its operations. Whereas other forms like scareware and annoying malware can often be dealt with, albeit at the cost of time and sometimes money, ransomware has a very clear and tangible cost to the user: their data. For home users, it's somewhat easier to suggest that while the loss of an entire photo directory is tragic, it's not worth the $400. But when you start getting to actual important data, for example, student records, accounting records, large business projects, asking users to take a stand on principle becomes a lot more difficult, especially since in some cases they have a legal obligation to try to remedy the situation.

Ransomware is a low risk venture for ne'er-do-wells because it's shooting fish in a barrel. Point your spambot at any major institution and you're bound to get a hit on something that has essential data to that institution. Combine this with the fact that even after decades of home computer hard drive failure and nearly a decade of cloud storage being common place, people are still really bad at backing up their important things.

Our reliance on data and our poor (often inability) to mitigate the damage done by dataloss is what will keep ransomware firing, regardless of how many institutions are able to take a public stand against the extortion. The barrier of entry is so low that a failure to collect from victims is virtually meaningless. The attackers are out virtually nothing, and can attack ad-nauseum because they know sooner or later they'll get a hit where the cost of the dataloss far exceeds the cost of the decryption key; and as long as the attackers occasionally make good on the sale of the decryption key, there's always going to be the hope from users that "maybe if we pay we can fix this".

A principled stand isn't what is going to be necessary to fix ransonware; major changes in how the public handles its data and in how OSes work with/detect ransomware is going to have to happen first. Until then, anyone who refuses is pretty much just getting a pyrrhic victory; the attackers might not get their payout, but the cost to the victim is far greater.

Re: University pays $20,000 to ransomware hackers

#52

Ranked 151-200 in the QS rankings for CS. I bet if they handed this problem over to the CS people in the university they would have willingly helped them out to fix it. Information security is even listed as one of their main research areas. http://www.cpsc.ucalgary.ca/cpsc_research they even have some labs that does infosec http://icis.cpsc.ucalgary.ca/ http://ispia.cpsc.ucalgary.ca/ I bet the people at the CS dept…

You missed this quote under the picture: "University IT workers tried to crack the ransomware for more than a week before the payment".

BTW, are you implying that a strong CS university can break asymmetric encryption? Why is everybody assuming that hackers are stupid all the time, and only they are smart...

Re: University pays $20,000 to ransomware hackers

#53
post #10

The headline could also be "University willingly supports criminals with $20.000" - and it would be more honest. That's really something that bothers me with the whole ransomware thing: People seem to be completely ignorant to the fact that by paying they're not only getting back their data - they're paying the bills for the people who will launch more attacks against other people. And thus they're themselve guilty o…

But with how easy it is to deploy ransomware and how frequently you can get a major hit, it's a pretty pyrrhic victory to not pay. Right now there's no reason to not keep on shooting out ransomware - it's an impersonal, easy to deploy, low cost, scalable form of malware which has a very high and noticeable impact on end-users, who often have little to no recourse or means of mitigating the damage. It's of virtually no risk to the persons deploying the ransomware to deploy the software or collect the money. With other ransom scenarios, the cost and risk to the attacker is far greater for every part of the ransom act; refusal to pay has a greater cost to the attacker in every which way. There is no such cost with ransomware at the moment, aside from the initial financial venture to get/make the software.

Knowing that the ransomware folk are just going to keep on spamming their software against institution after institution, is it really worth the potential cost of the lost data? If it's student data, is it worth ruining students' academic careers over a principled stand? Is it worth losing a novel you've been working on for 8+ years? Is it worth losing business documents that could cripple your business?

It's not as clear cut with ransomware as it is with other forms of ransom and extortion just because of how stinking' easy it is to do ransomware.

Re: University pays $20,000 to ransomware hackers

#54

Earlier quoted context omitted.

IMO, Micro$oft can gain a huge amount of positive press/PR as well as user-love by integrating a defense/protection mechanism right into the OS.

The moment Microsoft try to be proactive and integrate a defence mechanism I would suspect people would then try to hold them liable if another ransomware attack succeeded. Microsoft could do without the overhead, or the headache, and so despite the PR upside it's probably not worth their effort. Might be an opportunity for an ISV to make a utility though?

The same logic could be applied to their built-in anti-malware software (Windows Defender), so I don't think that's what's stopping them.

Re: University pays $20,000 to ransomware hackers

#55

Since this exploits user level privileges, perhaps a good idea would be to have a privileged version control system for user data. In that, you need admin/root access to actually DELETE anything, and any file system changes by users are simply versioned away. This means if you had ransomware that fucked up your files (since this software typically runs at user level), you could just instruct said versioning system to…

I think that's what many enterprise deployments do with shadow copies, mostly for file shares. It would probably make sense for Microsoft to push this feature for personal usage/smaller networks as well (not sure if you can currently use it in that scenario).

Re: University pays $20,000 to ransomware hackers

#56

Ranked 151-200 in the QS rankings for CS. I bet if they handed this problem over to the CS people in the university they would have willingly helped them out to fix it. Information security is even listed as one of their main research areas. http://www.cpsc.ucalgary.ca/cpsc_research they even have some labs that does infosec http://icis.cpsc.ucalgary.ca/ http://ispia.cpsc.ucalgary.ca/ I bet the people at the CS dept…

Even if they were ranked first, I doubt that they can do anything against properly encrypted files. As the article states, they already tried and couldn't find a mistake in the encryption

Re: University pays $20,000 to ransomware hackers

#57
post #52

Ranked 151-200 in the QS rankings for CS. I bet if they handed this problem over to the CS people in the university they would have willingly helped them out to fix it. Information security is even listed as one of their main research areas. http://www.cpsc.ucalgary.ca/cpsc_research they even have some labs that does infosec http://icis.cpsc.ucalgary.ca/ http://ispia.cpsc.ucalgary.ca/ I bet the people at the CS dept…

You missed this quote under the picture: "University IT workers tried to crack the ransomware for more than a week before the payment". BTW, are you implying that a strong CS university can break asymmetric encryption? Why is everybody assuming that hackers are stupid all the time, and only they are smart...

Actually I am implying it is possible for some types of ransomware. Here's an example.

https://github.com/leo-stone/hack-petya

(the hn thread https://news.ycombinator.com/item?id=11474613 )

Re: University pays $20,000 to ransomware hackers

#58
post #45

Earlier quoted context omitted.

That's exactly what UWP(universal windows platform) is - it sandboxes every app. But I am sure you will agree that having this as default behavior on windows would be disastrous, breaking compatibility with every app written before Windows 10, not to mention that the reason why we use PCs is to have low-level access to hardware, many applications require it and sandboxing isn't going to be a good option here. I guess…

If you search online Mac forums many people ask how to disable such features. For average joe and jane security is a nuisance.

Not as much of a nuisance as having all of your data corrupted.

Re: University pays $20,000 to ransomware hackers

#59
post #2

Why openly announce that you're paying the ransom? Here's some major disadvantages that I can think of: 1. Announces to world that you have poor security/backup practices which encourages more attacks against you 2. Announces to world that making and distributing ransomware is good business which encourages more attacks against everyone I understand that public institutions needs financial transparency in order to be…

> Why openly announce that you're paying the ransom? An effective thing they could have done is to announce that they paid the ransom, but that the decryption did not work (even though it did). That has the advantage of discouraging other people from paying up, and therefore reduces the incentive to create more ransomware attacks. Hell, the government could step in and recruit people and companies to falsely claim th…

Or review sites of ransomware. "5/5, would get encrypted again"

Re: University pays $20,000 to ransomware hackers

#60
post #12
post #10

The headline could also be "University willingly supports criminals with $20.000" - and it would be more honest. That's really something that bothers me with the whole ransomware thing: People seem to be completely ignorant to the fact that by paying they're not only getting back their data - they're paying the bills for the people who will launch more attacks against other people. And thus they're themselve guilty o…

... under duress. That's why it's termed 'ransom'. Because people who don't pay, have things taken from them. You don't really get to condemn ransom payers on ethical grounds without being an asshole.

Of course one does!

Paying a ransom encourages the criminal behaviour; it therefore negatively affects all potential victims by making them more likely to become actual victims.

Also, in some jurisdictions paying a ransom is actually a criminal offence so one could end up causing further negative consequences for your family, friend, colleagues, or the institution you work for.

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