this post was submitted on 10 Jul 2023
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While I was asleep, apparently the site was hacked. Luckily, (big) part of the lemmy.world team is in US, and some early birds in EU also helped mitigate this.

As I am told, this was the issue:

  • There is an vulnerability which was exploited
  • Several people had their JWT cookies leaked, including at least one admin
  • Attackers started changing site settings and posting fake announcements etc

Our mitigations:

  • We removed the vulnerability
  • Deleted all comments and private messages that contained the exploit
  • Rotated JWT secret which invalidated all existing cookies

The vulnerability will be fixed by the Lemmy devs.

Details of the vulnerability are here

Many thanks for all that helped, and sorry for any inconvenience caused!

Update While we believe the admins accounts were what they were after, it could be that other users accounts were compromised. Your cookie could have been 'stolen' and the hacker could have had access to your account, creating posts and comments under your name, and accessing/changing your settings (which shows your e-mail).

For this, you would have had to be using lemmy.world at that time, and load a page that had the vulnerability in it.

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[–] [email protected] 177 points 2 years ago (6 children)

I wish hackers would invest their time in clearing credit card debt, deleting hospital fees, or something else that actually serves the public good, instead of hacking ordinary people just trying to get by.

[–] [email protected] 29 points 2 years ago (2 children)

Deleting hospital fees/debt is very dangerous... In many HUGE regions in the US there's only one hospital and if that hospital suddenly can't pay its bills it could shut down, leaving a whole lot of completely innocent people in a very sad, people-are-dying sort of state.

In fact, something like this already happened:

https://www.cbsnews.com/chicago/news/st-maragrets-health-central-illinois-hospital-closing/

Hospitals are special in that they're often evil organizations (not all though) that are some of the easiest to hack but also provide critical services to the most vulnerable. One should tread lightly. Political solutions are better (hack some politicians that are against healthcare reform instead).

Clearing credit card debt via hacking is nearly impossible but I agree it would be a much more ethical choice for hackers to target. I used to work for the credit card industry. My unique insider perspective, deep industry knowledge, and personal experience is here to let you know they suck. They are just as evil and unethical and unnecessary as everyone thinks they are! Seriously: If Visa, MasterCard, American Express, and all the lesser players suddenly disappeared the world would be a better place.

Before that can happen though people need a backup payment method that doesn't go through their systems and no: Cash won't work (there's not enough in circulation and it's dangerous to carry large amounts of it). The credit card companies know this threat exists which is why they lobbied Florida (and probably other states) to outlaw alternative, government-run forms of payment (e.g. central bank currency).

As soon as people have a widely accepted payment option that doesn't go through Visa and MasterCard's middlemen (e.g. First Data) then hackers can take their gloves off! Until then though... Let's keep the payment infrastructure working, OK? Thanks!

There's no limit to the amount of good deeds hackers can do though. So let's encourage that! For example, there's plenty of cartels and evil religious organizations (e.g. Taliban, ISIS, Mormon Church, Prosperity Gospel scam artists) that have plenty of money to spare and enormous attack surfaces 👍

[–] [email protected] 24 points 2 years ago

Hospitals are special in that they’re often evil organizations

Just want to state the obvious and say, this is pretty much only the case in the US.

[–] [email protected] 1 points 2 years ago

I think the alternative payment systems in the developing countries are actually good. UPI in India is very utilitarian. China also has the wechat thing. I guess the issue with these are that they are not universal and limited to a single country.

[–] [email protected] 7 points 2 years ago

Considering some of the targeted instances and the stuff they left behind, it was likely some nazi.

[–] [email protected] 0 points 2 years ago

“Marty we started this journey together!”

“It was a prank, Cos’!”

[–] [email protected] -2 points 2 years ago* (last edited 2 years ago)
[–] [email protected] -5 points 2 years ago (2 children)

clearing credit card debt, deleting hospital fees, or something else that actually serves the public good,

Inflation does very clearly not serve the public good. That aside, causing havoc in banks and medical institutions would have other unpleasant effects.

[–] [email protected] 10 points 2 years ago (14 children)

How about cleaning the bottom 10%'s debt, with the earings from one week of the top 0.1%?

[–] [email protected] 1 points 2 years ago (1 children)

I already know I'm gonna be downvoted for this, but the top 1%/0.1% spending isn't gonna change, whereas the bottom 10% will cause inflation... That's why there's no magic bullet.

[–] [email protected] 1 points 2 years ago (1 children)

The bottom 10% don't have enough money to "cause" inflation, not even the bottom 90% have that much money. Inflation is driven by the top 5-10%, representing 70% of the wealth; the rest just get taken for the ride.

You're right the top 1%'s spending won't change, it's already 1000x above a person's basic needs, so what's the difference between 1000x and 900x (10% inflation).

[–] [email protected] 1 points 2 years ago

Exactly, the bottom 10% don’t have enough money, meaning that any money you give them will go towards consumption. The top bracket’s spending as % of income or wealth is tiny and is mostly independent of their income. Their money is spent on investments, not basic goods and services. They practically don’t affect inflation.

I think money should be printed during periods of low inflation. E.g. Japan could have benefited from that. After this bout is over, governments can return to printing, carefully.

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[–] [email protected] 4 points 2 years ago (1 children)
[–] [email protected] 2 points 2 years ago (1 children)

Having a dedicated sub for bad understanding of economics seems stupid, it's already spread over all subs, it's normal.

Of course, the extremes of bad economics would be usually found someplace with "soc" in the name.

[–] [email protected] 2 points 2 years ago (1 children)

I'm saying your statement is bad economics. Debts get discharged all the time and they have no impact on inflation. It's called the Bankruptcy System and it's been a part of American economic reality since the mid-1800s.

[–] [email protected] 0 points 2 years ago* (last edited 2 years ago) (1 children)

Debts get discharged all the time

Yes, so?

and they have no impact on inflation

Measured by whom? Logically they should.

It’s called the Bankruptcy System and it’s been a part of American economic reality since the mid-1800s.

So in your idea of good economics it doesn't matter for inflation if debt of NxM total gets discharged per month or of NxK total per month where K is much bigger than M?

I just don't get that pretentious acting.

[–] [email protected] 1 points 2 years ago (1 children)

Logically they should.

No, they shouldn't. The money supply is unaffected by discharges.

So in your idea of good economics it doesn’t matter for inflation if debt of NxM total gets discharged per month or of NxK total per month where K is much bigger than M?

Discharge does introduce short-term shocks but it's not the doomsday scenario you're painting it to be. We did it in the 1800s and it was mostly fine compared to the regular bank panics before the greenback was adopted.

[–] [email protected] 2 points 2 years ago (1 children)

The money supply is unaffected by discharges.

Ah, OK. Maybe "inflation" is the wrong word, but there's a response. Insurance becomes more expensive, loans become more expensive, basically everybody for whom such an event is a risk reacts to its probability growing.

but it’s not the doomsday scenario you’re painting it to be

Well, I'm not saying it's literally a doomsday scenario, just that it likely wouldn't benefit the person dreaming about it more than it would harm them.

[–] [email protected] 1 points 2 years ago (1 children)

Nono, inflation is the right word. Inflation isn't caused by the money supply, but by supply vs demand. If demand suddenly increases, there will be inflation. If a lot of money is printed and is thrown in a hole, money supply will increase, but there'll be no inflation.

[–] [email protected] 1 points 2 years ago (1 children)

Well, yes, I'm just always floating in economic terms, it really doesn't help that people around often have differing ideas on what these mean.

Only decreases (if we are speaking about demand for money, not demand for commodity bought with it), not increases, but I think it's an error, not a mistake. =\

[–] [email protected] 2 points 2 years ago

Ah, I was talking about the demand for commodities/services.