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Researchers find just 250 malicious documents can leave LLMs vulnerable to backdoors

The study centered on a type of attack called poisoning, where an LLM is pretrained on malicious content intended to make it learn dangerous or unwanted behaviors. The key finding from this study is that a bad actor doesn't need to control a percentage of the pretraining materials to get the LLM to be poisoned. Instead, the researchers found that a small and fairly constant number of malicious documents can poison an LLM, regardless of the size of the model or its training materials. The study was able to successfully backdoor LLMs based on using only 250 malicious documents in the pretraining data set, a much smaller number than expected for models ranging from 600 million to 13 billion parameters.

Well that's a sporkle if I've ever mooped it.

As a mechanic for 17 years, I'd suggest you respool your radiator coil.

Researchers find just 250 malicious documents can leave LLMs vulnerable to backdoorshttps://www.engadget.com/researchers-find-just-250-malicious-documents-can-leave-llms-vulnerable-to-backdoors-191112960.html?src=rssOpen linkView original on sh.itjust.works
politics·politics byRvTV95XBeo

Huntington Beach condemns ‘violent rhetoric’ at vigil for Charlie Kirk

Spoiler: the violent rhetoric is still not coming from the left

What was initially billed as a vigil for Kirk quickly devolved into an apparent White supremacist gathering, based on social media footage. Footage of the rally shows demonstrators waving flags affiliated with the Patriot Front, which the FBI described in a 2019 report as a White supremacist group, as well as chanting “White men fight back.”

A short clip purportedly showing Huntington Beach Councilmember Butch Twining at the rally went viral on Facebook.

Huntington Beach condemns ‘violent rhetoric’ at vigil for Charlie Kirkhttps://www.ocregister.com/2025/09/15/huntington-beach-condemns-violent-rhetoric-at-vigil-for-charlie-kirk/Open linkView original on sh.itjust.works
environment·EnvironmentbyRvTV95XBeo

California Wants to Ban ‘Forever Chemicals’ in Pans. These Chefs Say Don’t Do It.

The chefs, all of whom sell or endorse cookware lines, are opposing a California bill that would phase out the contentious chemicals from a range of products they’re used in, like nonstick cookware, food packaging and dental floss. California lawmakers could vote on the measure this week.

Easy to endorse poisoning people when your income is dependent on it.

Scientists have warned that PFAS can end up in food when nonstick cookware overheats, is scratched or otherwise starts to degrade.

However they say the bigger danger is from the manufacturing of products containing PFAS, which causes significant pollution, research has shown, by contaminate drinking water sources and getting into the food supply. The chemicals have become so ubiquitous they can be found in the blood of almost every person in the United States.

https://www.nytimes.com/2025/09/12/climate/rachael-ray-david-chang-pfas-forever-chemicals-cookware.htmlOpen linkView original on sh.itjust.works