Current Homeland Security News and Events

Current Homeland Security News and Events, Homeland Security News Articles.
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Sustainable but smartly: Tackling security and privacy issues in smart agriculture
Smart agriculture is set to revolutionize food production in the next few decades. However, the integration of information technology in agricultural processes also brings security and privacy concerns. In a new survey published in IEEE/CAA Journal of Automatica Sinica, scientists discuss these challenges and propose countermeasures applicable to different areas of agricultural production. They also provide guidance for future research, suggesting key areas of focus in the ever-growing field of smart agriculture. (2021-02-23)

Quantum computing: when ignorance is wanted
Quantum technologies for computers open up new concepts of preserving the privacy of input and output data of a computation. Scientists from the University of Vienna, the Singapore University of Technology and Design and the Polytechnic University of Milan have shown that optical quantum systems are not only particularly suitable for some quantum computations, but can also effectively encrypt the associated input and output data. (2021-02-18)

Blockchain-based copyright protect
The study describes the technological and scientific challenges for the improvement and implementation of these systems. (2021-02-17)

Tests reveal cybersecurity vulnerabilities of common seismological equipment
Seismic monitoring devices linked to the internet are vulnerable to cyberattacks that could disrupt data collection and processing, say researchers who have probed the devices for weak points. (2021-02-10)

Israelis unwilling to risk two-state solution, new RAND report
A new RAND Corporation report assesses potential alternative solutions to the Israeli-Palestinian conflict that average Israelis and Palestinians would support. Israelis across the political spectrum prefer the status quo to the two-state solution, and Palestinians are only willing to accept a two-state solution that Israelis will be unable to accept. (2021-02-10)

Monitoring precious groundwater resources for arid agricultural regions
A pioneering framework will monitor groundwater use for agricultural irrigation across Saudi Arabia. (2021-02-08)

Experts 'scan horizon' to help prepare governments for next major biosecurity threat
A panel of experts have outlined key biosecurity questions facing policymakers - ''from brain-altering bioweapons to mass surveillance through DNA''. Recently published, the exercise - conducted shortly before COVID-19 - follows a 'horizon scan' led by the same researchers on areas of bioengineering that ''could prove even more impactful, for better or worse, than the current pandemic.'' (2021-02-03)

Sub-surface imaging technology can expose counterfeit travel documents
New research by the University of Kent has found that optical coherence tomography (OCT) imaging technology can be utilised to distinguish between legitimate and counterfeit travel documents. (2021-02-02)

Food export restrictions by a few countries could skyrocket global food crop prices
Recent events such as the Covid-19 pandemic, locust infestations, drought and labour shortages have disrupted food supply chains, endangering food security in the process. A recent study published in Nature Food shows that trade restrictions and stockpiling of supplies by a few key countries could create global food price spikes and severe local food shortages during times of threat. (2021-01-28)

Forests with diverse tree sizes and small clearings hinder wildland fire growth
A new 3D analysis shows that wildland fires flare up in forests populated by similar-sized trees or checkerboarded by large clearings and slow down where trees are more varied. (2021-01-27)

A display that completely blocks off counterfeits
POSTECH research team led by Professor Junsuk Rho develops nanostructures capable of polarized optical encryption. (2021-01-21)

Scientists to global policymakers: Treat fish as food to help solve world hunger
Fish provide 17% of the animal protein consumed globally and are rich in micronutrients and essential fatty acids. In Ambio experts argue seeing fish in a food system perspective. (2021-01-19)

USTC makes security analysis and improvement of quantum random number generation
Recently, the research team led by academician GUO Guangcan from the USTC of the Chinese Academy of Sciences has made security analysis and improvement of source independent quantum random number generators with imperfect devices. (2021-01-14)

High-sensitivity nanophotonic sensors with passive trapping of analyte molecules in hot-spots
Optical sensing which captures fingerprint information of chemical or biological substances with light, plays a crucial role in many areas including environmental sensing, medical diagnostics and homeland security. Scientists from University at Buffalo demonstrated an optical sensor design which utilizes nano-scale trenches to passively concentrate and trap trace analytes in a solution, leading to the capability of detecting picogram level biomolecules such as glucose and amino acids. The devices also achieved effective trapping of nano-particles. (2021-01-13)

Study finds rising rates of food insecurity among older adults
From 2007 to 2016, food insecurity -- or limited access to nutritious foods because of a lack of financial resources -- increased significantly from 5.5% to 12.4% among older US adults, and the increase was more pronounced among individuals with lower income. The findings come from a study published in the Journal of the American Geriatric Society. (2021-01-06)

Multi-messenger astronomy offers new estimates of neutron star size and universe expansion
Multi-messenger astronomy allows researchers to put new constraints on the radius of a typical neutron star and provide a novel calculation of the Hubble constant. (2020-12-17)

Tepary beans -- a versatile and sustainable native crop
This drought and heat tolerant crop can provide nutrition, even when grown in harsh environments. (2020-12-16)

New diagnostic isotope to enhance targeted alpha therapy for cancer
Researchers in the DOE Isotope Program have developed an effective radionuclide, cerium-134, as a paired analogue of actinium and thorium that can be imaged using positron emission tomography (PET). (2020-12-16)

"Game changer" perovskite can detect gamma rays
Scientists at EPFL have developed a game-changing perovskite material that can be used as a cheaper and highly efficient alternative to gamma-ray detectors. (2020-12-09)

New semiconductor detector shows promise for medical diagnostics and homeland security
This method allows users to identify legal versus illegal gamma rays. Detectors like these are critical for national security, where they're used to detect illegal nuclear materials smuggled across borders and aid in nuclear forensics, as well as in medical diagnostics imaging. (2020-12-07)

New transistor design disguises key computer chip hardware from hackers
Purdue University engineers propose a built-in security measure that would better protect computer chip hardware from hackers (2020-12-07)

Breakthrough material makes pathway to hydrogen use for fuel cells under hot, dry conditions
A collaborative research team, including Los Alamos National Laboratory, University of Stuttgart (Germany), University of New Mexico, and Sandia National Laboratories, has developed a proton conductor for fuel cells based on polystyrene phosphonic acids that maintain high protonic conductivity up to 200 C without water. (2020-12-07)

Business closures, partial reopenings due to COVID-19 could cost the US $3-$5 trillion i
USC economists project that a best-case scenario for the United States hinges on whether the initial mandatory closures and social distancing measures were sufficient to control the rise in coronavirus cases. In a worst-case scenario, infections would ramp up considerably after businesses reopen; thus, forcing another round of closures. (2020-11-30)

Towards 6G wireless communication networks: vision, enabling technologies, and new paradigm shifts
Recently, a long-form review titled ''Towards 6G wireless communication networks: vision, enabling technologies, and new paradigm shifts'' was published in SCIENCE CHINA Information Sciences Vol. 64, No.1. This article, co-authored by 50 researchers from 24 scientific research institutes, colleges, and companies both at home and abroad, provides a comprehensive survey of the latest progress and developmental trends about 6G networks. (2020-11-25)

New graph-based statistical method detects threats to vehicular communications networks
Researchers at the University of Maryland, Baltimore County (UMBC) have worked to create methods for improving the safety of technologically complex vehicles. Riadul Islam, assistant professor of computer science and electrical engineering, has worked with collaborators at UMBC and the University of Michigan-Dearborn to create a simple, easily adapted method for detecting the breaches in security. (2020-11-24)

Novel chemical process a first step to making nuclear fuel with fire
Developing safe and sustainable fuels for nuclear energy is an integral part of Los Alamos National Laboratory's energy security mission. (2020-11-24)

New tool to combat terrorism
Forensic science experts at Flinders University are refining an innovative counter-terrorism technique that checks for environmental DNA in the dust on clothing, baggage, shoes or even a passport. ''This microscopic environmental trace evidence, based on soil geochemical, bacterial and fungal analysis would complement and enhance current forensic intelligence tools,'' lead researcher Dr Jennifer Young says in new research in Forensic Science International: Genetics. (2020-11-19)

The role of drones in 5G network security
A study by Giovanni Geraci, a researcher at the Department of Information and Communication Technologies, and researchers at Mississippi State University (USA), which aims to improve the security of advanced wireless networks against a series of eavesdropping, interference and identity theft. (2020-11-18)

Study reveals how to improve natural gas production in shale
A new hydrocarbon study contradicts conventional wisdom about how methane is trapped in rock, revealing a new strategy to more easily access the valuable energy resource. (2020-11-12)

Rice has many fathers but only two mothers
University of Queensland scientists studied more than 3000 rice genotypes and found diversity was inherited through two maternal genomes identified in all rice varieties. (2020-11-10)

New tool detects unsafe security practices in Android apps
Computer scientists at Columbia Engineering have shown for the first time that it is possible to analyze how thousands of Android apps use cryptography without needing to have the apps' actual codes. The team's new tool, CRYLOGGER, can tell when an Android app uses cryptography incorrectly--it detects the so-called 'cryptographic misuses' in Android apps. When given a list of rules that should be followed for secure cryptography, CRYLOGGER detects violations of these rules. (2020-11-09)

Game 'pre-bunks' political misinformation by letting players undermine democracy
An online game helps ''inoculate'' players against fake news by showing them how political misinformation is created and circulated. Launched today, Harmony Square has been created by Cambridge University psychologists with support from US Department of Homeland Security. Accompanying study shows that a single play reduces the perceived reliability of misinformation in users. (2020-11-06)

Anti-hacking based on the circular polarization direction of light
The Internet of Things (IoT) allowing smart phones, home appliances, drones and self-driving vehicles to exchange digital information in real time requires a powerful security solution, as it can have a direct impact on user safety and assets. A solution for IoT security that has been is a physical unclonable function (PUF) that can supplement software-based key security vulnerable to various attack or physical attack. (2020-11-06)

Sensors driven by machine learning sniff-out gas leaks fast
A new study confirms the success of a natural-gas leak-detection tool pioneered by Los Alamos National Laboratory scientists that uses sensors and machine learning to locate leak points at oil and gas fields, promising new automatic, affordable sampling across vast natural gas infrastructure. (2020-10-29)

Trust levels in AI predicted by people's relationship style, study shows
A University of Kansas interdisciplinary team led by relationship psychologist Omri Gillath has published a new paper in the journal Computers in Human Behavior showing people's trust in artificial intelligence (AI) is tied to their relationship or attachment style. (2020-10-29)

Breakthrough quantum-dot transistors create a flexible alternative to conventional electronics
Researchers at Los Alamos National Laboratory and their collaborators from the University of California, Irvine have created fundamental electronic building blocks out of tiny structures known as quantum dots and used them to assemble functional logic circuits. (2020-10-29)

Facebook users spread Russian propaganda less often when they know source
Russia uses Facebook and other social media to polarize Americans, particularly those at the extreme ends of the political spectrum. A unique study that enrolled 1,500 Facebook users found that they are less likely to share content when they learn that it is part of a foreign propaganda campaign. (2020-10-15)

Coordinated efforts on Twitter to interfere in US elections are foreign-based
An analysis of more than 2.2 million tweets has found a coordinated effort to influence the upcoming U.S. presidential election by sowing distrust, exacerbating political divisions and undermining confidence in American democracy. The effort is most likely foreign, according to the study. (2020-10-08)

Some employees more likely to adhere to information security policies than others
Information security policies (ISP) that are not grounded in the realities of an employee's work responsibilities and priorities exposes organizations to higher risk for data breaches, according to new research from Binghamton University, State University of New York. (2020-10-06)

New algorithm could unleash the power of quantum computers
A new algorithm that fast forwards simulations could bring greater use ability to current and near-term quantum computers, opening the way for applications to run past strict time limits that hamper many quantum calculations. (2020-10-05)

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