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Theoretical results could lead to faster, more secure quantum technology

University of Iowa researchers have discovered a method to “purify” photons, an advance that could make optical quantum technologies more efficient and more secure.

The work is published in the journal Optica Quantum.

The researchers investigated two nagging challenges to creating a steady stream of single photons, the gold standard method for realizing photonic quantum computers and secure communication networks. One obstacle is called laser scatter, which occurs when a laser beam is directed at an atom, causing it to emit a photon, which is a single unit of light. While effective, the technique can yield extra, redundant photons, which hampers the optical circuit’s efficiency, much like a wayward current in an electrical circuit.

LHC delivers a record number of particle collisions in 2025

All experiments broke records in the final full operating year of the third run of the LHC.

After a few final laps around the ring, the beams of the Large Hadron Collider (LHC) were paused at 6.00 a.m. on Monday, 8 December for the usual year-end technical stop. Launched on 5 May, the LHC’s 11th year-long run of high-energy physics broke a new record for integrated luminosity by delivering 125 fb-1 to both the ATLAS and the CMS experiments. Over the full lifetime of the LHC, ATLAS and CMS have now each delivered an integrated luminosity of 500 fb-1, equating to approximately 50 million billion particle collisions.

All four LHC experiments performed extremely well throughout the 2025 proton run, detecting more collisions than in any previous year and reporting data-taking efficiencies of more than 90%. LHCb continued to benefit from the significant upgrades that were completed in 2023, further increasing its recorded luminosity to a new record of 11.8 fb-1 in 2025.

Active Attacks Exploit Gladinet’s Hard-Coded Keys for Unauthorized Access and Code Execution

Huntress is warning of a new actively exploited vulnerability in Gladinet’s CentreStack and Triofox products stemming from the use of hard-coded cryptographic keys that have affected nine organizations so far.

“Threat actors can potentially abuse this as a way to access the web.config file, opening the door for deserialization and remote code execution,” security researcher Bryan Masters said.

The use of hard-coded cryptographic keys could allow threat actors to decrypt or forge access tickets, enabling them to access sensitive files like web.config that can be exploited to achieve ViewState deserialization and remote code execution, the cybersecurity company added.

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