Varonis found a “Reprompt” attack that let a single link hijack Microsoft Copilot Personal sessions and exfiltrate data; Microsoft patched it in January 2026.

Security firm Mandiant has released a database that allows any administrative password protected by Microsoft’s NTLM.v1 hash ...

Researchers identified an attack method dubbed "Reprompt" that could allow attackers to infiltrate a user's Microsoft Copilot session and issue commands to exfiltrate sensitive data.

P. Jenniskens, SETI Institute and NASA Ames Research Center; and M. Breukers and C. Johannink, Cameras for Allsky Meteor Surveillance (CAMS), BeNeLux, report that the chi Cygnids meteor shower (IAU ...

Dec. 21 (UPI) --The Ursid meteor shower peaks Sunday night into early Monday morning, and is the last major event on the celestial calendar this year. Observers have the best chance to see between ...

It’s time for the final meteor shower of 2025 — the Ursid meteor shower. The shower is only active for a short time, but its peak activity will be the night of Sunday, Dec. 21, and the early morning ...

The last meteor shower of 2025 will light up the night sky just in time for the holidays, according to experts. Олег Мороз via Unsplash The last celestial event of 2025 is set to peak just before ...

The Ursids this weekend are a winter solstice light show. By Katrina Miller Our universe might be chock-full of cosmic wonder, but you can observe only a fraction of astronomical phenomena with your ...

Here's how to see the Ursid meteor shower, which peaks in dark skies close to a new moon this year. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

The Ursid meteor shower is an annual event caused by debris from Comet 8P/Tuttle. It is active from December 17 to 26, with its peak occurring between December 22 and 23. The best viewing time is in ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Warmly-dressed skywatchers with clear skies should brace for ...