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PoC tool 'BigDiskBuster' blocks Windows Defender updates while keeping it running

Security researcher Abdelhamid Naceri published a proof-of-concept called BigDiskBuster that stops Microsoft Defender from receiving signature updates without exploiting any vulnerability. The roughly 300-line C++ tool monitors the C: drive for Defender update activity and fills nearly all free disk space with a hidden file, causing each update attempt to fail while Defender's service and real-time protection keep running normally. LevelBlue researchers reproduced the technique after the original GitHub page was taken down, confirming it creates what they called a 'silent detection gap.'

Norway plans temporary ban on smart glasses in parks, beaches, schools

Norway's government announced it will temporarily restrict AI-enhanced smart glasses in certain public spaces while officials draft permanent legislation. Digitalisation Minister Torgeir Eikstad Micaelsen cited rising concerns that the devices let wearers secretly photograph or film bystanders. Oslo has already banned smart glasses in schools, and energy company Equinor has barred them from its offices and offshore sites.

Francis Halzen wins 2026 Nobel Physics Prize for IceCube neutrino work

The Royal Swedish Academy of Sciences awarded the 2026 Nobel Prize in Physics to Francis Halzen of the University of Wisconsin, Madison, for his role in building the IceCube Neutrino Observatory in Antarctica and detecting high-energy neutrinos originating beyond our galaxy. Halzen, speaking by phone from Italy at a Stockholm news conference, said he was surprised by the honor and credited the many researchers who joined his project.

Amazon discounts Hoto PC-building tools up to 43% during Big Deal Days

Amazon's Big Deal Days event has cut prices on several Hoto tools aimed at PC builders and hobbyists, including electric screwdrivers, rotary tools, flashlights, and air blowers. Deals include the Hoto NEX O1 Pro screwdriver kit dropping from $49.99 to $28.48, and the Hoto PixelDrive electric screwdriver falling from $79.99 to $59.99. The sale is tied to Amazon's Big Deal Days promotion, which ends the following night.

Morningstar analysts outline retirement planning steps for single-income couples

Christine Benz and Valentina Djeljosevic of Morningstar discussed how couples living on one income should approach retirement planning, including emergency funds and Social Security filing timing. Benz advised such couples to look beyond their current household budget and assess how retirement savings will be funded on a single salary, and to consider how the non-working spouse might re-enter the workforce later, such as through part-time or contract work.

Old DSLRs from Canon, Nikon and Sony can be repurposed as webcams

Several older DSLR and mirrorless cameras, including Canon's EOS 6D and Rebel T6, Nikon's D5300 and D750, and Sony's A5100, A7 II and RX100 IV, remain on manufacturer compatibility lists for webcam use. Setup typically involves installing the maker's webcam utility, connecting via USB, switching to video or remote mode, and selecting the camera within apps like Zoom, Teams or Google Meet.

Microsoft ends support for Office 2021 on October 13

Microsoft's support document confirms Office 2021 reaches end of support on Tuesday, October 13, halting technical support, security patches, bug fixes and updates. Online help and support pages for the product will also stop being maintained. The software will still run, but without ongoing protection or official troubleshooting resources.

Novo Nordisk and Eli Lilly report GLP-1 drugs slow aging clock readings

Novo Nordisk tested blood from over 10,000 trial participants using proteomic clocks and found signs that its weight-loss drug slowed biological aging, including up to a 4-year shift in a clock measuring heart protein age. Eli Lilly ran a smaller study on tirzepatide using epigenetic clocks that track DNA changes, and also found molecular aging appeared to slow in patients taking the drug compared to placebo.

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