Lea Kissner Profile picture
Feb 1 22 tweets 6 min read
Dr. Gus Andrews is up next at #enigma2022

It's all just information. They have different teams.
People try fact checking and AI/ML. A lot

But assumes facts and trust are at the center
How to get people on "team science"?

Concept of fact comes from 17th century
Fact is appeal to evidence
Team science may not win
Well, how did journalism turn their reputation around?
You don't trust the evidence, you trust the facts, the appeal + evidence.

Team misinformation trusts different experts
Trust is contextual
Trust in medicine shaken by multiple things, including doctors saying opioids were safe
Not even to mention Tuskegee experiments or eugenics
Team loyalties go back generations
Ways Team Q tries to appeal to evidence
Not about the texts, about how you read them. Can't fix everything with AI
Misinformation is a social problem.
Team social media running into team journalism
Invest in local institutions for fact checking, more likely to be trusted
Maybe have editors?

Learn from previous projects
Expose your algorithms to more perspectives
Support your local public schools

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More from @LeaKissner

Feb 2
Bob has clearly not understood the problem.

@senykam at #Enigma2022 ImageImage
"using marginalized groups as branding is a way to seem sincere" Image
Bob should work with people who actually understand the problem. Image
Read 18 tweets
Feb 2
Taint flow analysis to ensure data isn't going anywhere it shouldn't, like leaking location in Instagram at #Enigma2022 from Graham Bleaney Image
ImageImageImageImage
... and bug bounty to try to find out about data abuse, like an abuse bounty, including scraping Image
Read 6 tweets
Feb 1
@patrickgage is starting off his talk about COVID-19 misinformation with literal 🔥
Investigation through public opinion polling
Read 18 tweets
Feb 1
@C_C_Krebs is kicking off #enigma2022 with a look back at the excitement which was the 2020 presidential election. Chris Krebs speaking at #enigma2022
I can't live tweet because I busted my wrist and I'm one-handed but talk is already great.
So I can't manage the alt text here but @ram_ssk is live tweeting for real 😁
Read 6 tweets
Jul 9, 2021
Non-cryptographers should be scared of crypto libraries. I'm not happy with that state (not every company has a friendly local cryptographer! or even an unfriendly one!), but that's sadly the state of things.

A story about my friend @yonatanzunger messing up, then suggestions.🧵
Yonatan went off to work for @humuinc several years ago (though he's at @Twitter now) and, being a small startup at the time, there were unsurprisingly zero cryptographers.

So one day I get a message from him asking what crypto library he should use, to which I replied "WHY???"
The reason I replied with serious "oh no" in my heart was that people screw up using crypto libraries all the time. So I wanted to know what he wanted to do with said library.

And what he wanted to do was encrypt some data and put it in a cookie so users couldn't mess with it.
Read 14 tweets
Jun 29, 2021
I realized today that I had never talked publicly about something really important about the design of access control systems: design their semantics to be reverse-indexable.

This is a much spicier take than it sounds like, but there's a good reason. 🧵 [1/]
Right now, access control systems are built so you can show up and say "I want access to object X", the system looks up the access control rules for object X, and then figures out whether you should have access. [2/]
With the exception of a few corner cases, the semantics of access-control system you build should be able to be turned upside down. For this you want a reverse index (which wikipedia calls an "inverted index").

en.wikipedia.org/wiki/Inverted_… [3/]
Read 9 tweets

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