CrowdSec says a TanStack-linked GitHub token was used to copy about 170 private repositories from a former employee’s account.
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Fake LastPass Authenticator GitHub repos push new Rapuncel infostealer
An ongoing malware campaign uses SEO-optimized GitHub repositories to impersonate well-known software firms to push a previously undocumented information stealer called Rapuncel.
LastPass and Delphos Labs uncovered the campaign, which they report impersonates the password manager brand and at least 39 other companies.
Alongside the Rapuncel infostealer, the repositories deliver a Microsoft-signed kernel driver that can disable 145 antivirus and endpoint detection and response (EDR) products.
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Microsoft Teams will let admins block custom file extensions
Microsoft Teams will soon let administrators tweak the list of file extensions commonly associated with malware and security threats to meet their company’s security requirements.
This will come as an update to Weaponizable File Protection, a built-in Teams messaging safety feature that scans conversations and blocks chat or channel messages with dangerous, high-risk file attachments.
As detailed in a new Microsoft 365 roadmap entry, the feature is currently in development and will start rolling out in November 2026.
New thermal insulator outperforms any material found in nature
Researchers have engineered a new material that is an extreme thermal insulator, is exceptionally stiff and can be printed as a thin film at large scales. The material has one of the lowest thermal conductivity profiles of any dense, or nonporous, material—approaching the theoretical limit of how good a material can be as a thermal insulator.
“Stiff materials that are good thermal insulators would have substantial utility in a variety of applications, from cookware to electronic devices to space travel,” says Dali Sun, co-corresponding author of a journal article on the work and a professor of physics at North Carolina State University.
“But this is a significant challenge,” Sun says. “Because, in general, stiff materials are good at conducting heat, and materials that are not stiff are good at insulating against heat. We’ve created a material that is very stiff and is extremely good at insulating against heat. Better than any material you would find in nature.”
When danger sounds, mice draw closer to familiar companions via a newly identified brain circuit
When mice heard a sound they thought signaled danger, they moved closer to a familiar companion, according to Virginia Tech researchers. They did not do the same when paired with a mouse they didn’t know. The study, led by Alexei Morozov of the Fralin Biomedical Research Institute at VTC and published in Neuropsychopharmacology, begins to reveal how the brain turns a warning signal into a drive to seek familiar company.
Scientists have long observed that animals gather when confronted with immediate threats such as predators. The new study asked whether a learned warning signal could produce a similar response and, if so, which biological mechanisms might be involved.
Researchers first trained mice individually to associate a tone with a short, mild foot shock. One to two days later, they placed the mice in pairs and played the tone again. Mice that had previously lived together drew closer when the tone played, while those paired with strangers showed no consistent change in distance.
Why AI consciousness could become the next great societal divide
As AI systems grow more human-like, the question of their consciousness is becoming unavoidable and could rival abortion or climate change as a polarising issue. Surveys reveal deep public splits, and experts disagree on whether biology is required.
From the start, the solar system chose fire over ice to build its first bodies
When the solar system first took up the task of building solid bodies—such as planets, moons and protoplanets—it basically had a choice between two ingredients: heat-forged chondrules, which were millimeter-sized bits of rock, and matrix, a fine-grained, cold dust loaded with water ice and organic molecules. And from the get-go, the solar system chose fire.
In a new Yale-led study, researchers provide the first geochemical evidence that within the first million years after the solar system began to form, it was already preferentially sorting for chondrules over matrix. Prior research had only been able to document this sorting process in objects that formed 2–4 million years after the solar system’s origin.
The study is published in the journal Nature Astronomy.
Clearing Damaged Mitochondria to Fight Skin Photoaging
Researchers publishing in Aging Cell have found that a cocktail of molecules released by human umbilical cord mesenchymal stem cells (hUC-MSCs) can mitigate sun-induced skin aging (photoaging) in mice by restoring their cells’ ability to get rid of their own damaged mitochondria (mitophagy).
Wrinkles are only a small part of the problem
Chronic exposure to ultraviolet light is the main driver of photoaging, which is characterized by the accumulation of senescent cells in the skin along with the depletion of DNA-protecting lamins [1]. It causes skin to become thickened, wrinkled, and rough while accumulating visible veins [2]. This damage is more than cosmetic; photoaging can lead to precancerous lesions along with cancer itself [3]. Retinoids and other antioxidants have been found to have some effects but cannot completely reverse this damage [4], and laser-based treatments may be expensive and painful while causing other symptoms [5].