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Silver attacks bacteria, gets "consumed"

For millennia, silver has been utilized for its antimicrobial and antibacterial properties. Although its use as a disinfectant is widely known, the effects of silver's interaction with bacteria on the silver itself are not well understood......»»

Category: topSource:  physorgMay 25th, 2021

Mobile genetic elements can inadvertently suppress bacterial immune systems, research reveals

Bacterial restriction-modification systems are responsible for protecting cells from foreign genetic material, for example, bacteriophages and plasmids. Immune systems require strict regulation, as bacteria, like humans, can have autoimmune reactions.....»»

Category: topSource:  physorgRelated News11 hr. 24 min. ago

Soil bacteria link their life strategies to soil conditions: Study

Soil bacteria help regulate the cycling of carbon and nutrients on Earth. Over time, these bacteria have evolved strategies that determine where they live, what they do, and how they deal with a changing environment. However, microbiologists do not f.....»»

Category: topSource:  physorgRelated NewsApr 17th, 2024

New class of antimicrobials discovered in soil bacteria

Researchers have discovered toxic protein particles, shaped like umbrellas, that soil bacteria known as Streptomyces secrete to squelch competitors, especially others of their own species......»»

Category: topSource:  physorgRelated NewsApr 17th, 2024

Climate change is wiping out rare bacteria in a "greening" Antarctica

Plenty is known about the existential threat of climate change to plants and animals. But by comparison, we know very little about how microorganisms will be affected by climate change......»»

Category: topSource:  physorgRelated NewsApr 17th, 2024

Improved mid-infrared nanoscopy enables 30 times clearer view of the insides of bacteria

A team at the University of Tokyo have constructed an improved mid-infrared microscope, enabling them to see the structures inside living bacteria at the nanometer scale. Mid-infrared microscopy is typically limited by its low resolution, especially.....»»

Category: topSource:  physorgRelated NewsApr 17th, 2024

Multi-drug resistant bacteria found on International Space Station mutate to become functionally distinct

Principal Investigator Dr. Kasthuri Venkateswaran of NASA's Jet Propulsion Laboratory led a team that studied 13 strains of the bacterial species Enterobacter bugandensis that were isolated from the International Space Station (ISS). E. bugandensis i.....»»

Category: topSource:  physorgRelated NewsApr 17th, 2024

Palo Alto firewalls: Public exploits, rising attacks, ineffective mitigation

While it initially seemed that protecting Palo Alto Network firewalls from attacks leveraging CVE-2024-3400 would be possible by disabling the devices’ telemetry, it has now been confirmed that this mitigation is ineffectual. “Device tele.....»»

Category: securitySource:  netsecurityRelated NewsApr 17th, 2024

Scientists discover how soil microbes survive in harsh desert environments

Prolonged droughts followed by sudden bursts of rainfall—how do desert soil bacteria manage to survive such harsh conditions? This long-debated question has now been answered by an ERC project led by microbiologist Dagmar Woebken from the Centre fo.....»»

Category: topSource:  physorgRelated NewsApr 17th, 2024

Silver-based micromotors that eliminate bacteria can move freely in aqueous media

Researchers at ICIQ in Tarragona have developed a simple technique to produce microscopic crystals that activate in the presence of light, releasing silver ions with antimicrobial activity......»»

Category: topSource:  physorgRelated NewsApr 17th, 2024

Attackers are pummeling networks around the world with millions of login attempts

Attacks coming from nearly 4,000 IP addresses take aim at VPNs, SSH and web apps. Enlarge (credit: Matejmo | Getty Images) Cisco’s Talos security team is warning of a large-scale credential compromise campaign that’s.....»»

Category: topSource:  arstechnicaRelated NewsApr 16th, 2024

Uranium-immobilizing bacteria in clay rock: Exploring how microorganisms can influence the behavior of radioactive waste

When designing repositories for high-level radioactive waste in deep geological layers, various factors must be carefully considered to ensure their long-term safety. Among other things, natural communities of microorganisms can influence the behavio.....»»

Category: topSource:  physorgRelated NewsApr 16th, 2024

Cisco Duo says a third-party data breach stole MFA SMS logs

Hackers stole Cisco Duo customers' phone numbers, and the company is warning of possible incoming smishing attacks......»»

Category: topSource:  theglobeandmailRelated NewsApr 16th, 2024

New open-source project takeover attacks spotted, stymied

The OpenJS Foundation has headed off a “credible takeover attempt” similar to the one that resulted in a backdoor getting included in the open-source XZ Utils package by someone who called themselves “Jia Tan”. This malicious.....»»

Category: securitySource:  netsecurityRelated NewsApr 16th, 2024

Australian court is the latest to attack Apple on behalf of rich corporations

Apple Fellow Phil Schiller has been testifying in an Australian Federal Court about the origins of the App Store in 2008, and it's just the latest example of pointless attacks on the company.Phil Schiller (left) and Steve Jobs with the first online A.....»»

Category: appleSource:  appleinsiderRelated NewsApr 16th, 2024

Alleged cryptojacking scheme consumed $3.5M of stolen computing to make just $1M

Indictment says man tricked cloud providers into giving him services he never paid for. Enlarge (credit: Getty Images) Federal prosecutors indicted a Nebraska man on charges he perpetrated a cryptojacking scheme that def.....»»

Category: topSource:  arstechnicaRelated NewsApr 16th, 2024

Chemists stabilize ethylene on silver in search for better ethylene purification technology

Production of ethylene is one of the most important chemical processes used today, with about 300 million metric tons of the tiny chemical produced each year. Ethylene gas is used to create everyday items like shopping bags and plastic film packaging.....»»

Category: topSource:  informationweekRelated NewsApr 15th, 2024

7 best Robert Downey Jr. movies, ranked

Oscar winner and MCU star Robert Downey Jr. has been in many great movies, but these are by far his best and most acclaimed efforts on the silver screen......»»

Category: topSource:  digitaltrendsRelated NewsApr 15th, 2024

NASA discovered bacteria that wouldn"t die. Now it"s boosting sunscreen.

While disinfecting spacecraft headed for Mars, NASA found a stubborn type of bacteria that was tough to clean but great at withstanding UV radiation. Many people associate NASA with exploring new worlds in space, but few know it's also finding.....»»

Category: topSource:  pcmagRelated NewsApr 15th, 2024

Geopolitical tensions escalate OT cyber attacks

In this Help Net Security interview, Andrew Ginter, VP of Industrial Security at Waterfall Security, discusses operational technology (OT) cyber attacks and their 2024 Threat Report. He examines how global geopolitical tensions and evolving ransomwar.....»»

Category: securitySource:  netsecurityRelated NewsApr 15th, 2024

CVE-2024-3400 exploited: Unit 42, Volexity share more details about the attacks

Earlier today, Palo Alto Networks revealed that a critical command injection vulnerability (CVE-2024-3400) in the company’s firewalls has been exploited in limited attacks and has urged customers with vulnerable devices to quickly implement mit.....»»

Category: securitySource:  netsecurityRelated NewsApr 12th, 2024