Be first to read the latest tech news, Industry Leader's Insights, and CIO interviews of medium and large enterprises exclusively from Applied Technology Review
THANK YOU FOR SUBSCRIBING
How To Protect SCADA Networks From Cyber-Attacks?
n order to provide all Americans with basic services and commodities, SCADA networks use computers and apps. As a result, they are part of the nation's critical infrastructure and must be protected from a wide range of cyberattacks.
By
Applied Technology Review | Monday, June 06, 2022
SCADA systems, despite their security concerns, are extremely valuable. Because of this, suitable measures must be implemented to improve the security of SCADA networks.
Fremont, CA: In order to provide all Americans with basic services and commodities, SCADA networks use computers and apps. As a result, they are part of the nation's critical infrastructure and must be protected from a wide range of cyberattacks. SCADA networks are widely utilized because they enable data collection and analysis and equipment operation like pumps and valves from remote places. Although they pose a security risk, they are also useful. Security was not a significant consideration in the early days of SCADA networks. As a result, distributed control/SCADA systems are strong in terms of performance, dependability, adaptability, and safety, but their security is generally lacking. SCADA networks may be subject to service interruption, process redirection, or operational data manipulation, posing a risk to public safety or seriously disrupting key infrastructure across the country. In order to appropriately safeguard the nation's vital infrastructure, all businesses, whether government or private, must take action to secure their SCADA networks.
Here’s how to protect SCADA networks from cyber attacks:
Stay ahead of the industry with exclusive feature stories on the top companies, expert insights and the latest news delivered straight to your inbox. Subscribe today.
Disconnect unrequired connections with the SCADA network
As much as feasible, segregate the SCADA network from other network connections in order to ensure the highest level of security. If the link develops a conduit from or to the Internet, any connection to another network entails security risks. Connecting directly to other networks may make it easier to transfer critical data, but the risk of an attack on the SCADA network is too great to take, so isolation of the SCADA network should be a top priority. Secure data transfer from the SCADA network to the business network can be achieved by using demilitarized zones (DMZs) and data warehousing. In order to prevent the introduction of additional risk through incorrect setup, they must be appropriately planned and deployed.
Do not rely on proprietary protocols to secure SCADA systems
Field devices and servers in certain SCADA systems communicate using proprietary protocols. The secrecy of these protocols is frequently the sole basis for SCADA system security. Unfortunately, there is relatively little "actual" security provided by cryptic protocols. Don't rely on proprietary protocols or factory default settings to protect your computer system. Demand that suppliers reveal any backdoors or vendor interfaces to the SCADA systems and expect them to supply solutions that can be safeguarded.
Implement security features offered by device and system vendors
There are no security measures built into most older SCADA systems. Owners of SCADA systems should demand that their system vendor add security features in the form of product patches or upgrades. There are some modern SCADA devices that ship with minimal security protections, although these functions are frequently disabled in order to make installation easier. Each SCADA device should be examined to see if it has any security features. As an added precaution, many firewalls and other security software come preconfigured with settings that are optimized for ease of use at the expense of overall protection. Configure all security elements to their highest possible setting. A thorough risk assessment should be conducted prior to allowing security levels lower than the maximum.
Nearly 9 out of 10 drivers of cars with lane departure warning and prevention systems keep them turned on, while 7 out of 10 drivers of cars that flash a warning when they go above the speed limit likewise keep the feature turned on. These results were announced in a new study recently by a nonprofit organization, the Insurance Institute for Highway Safety, supported by the insurance sector. According to the Institute’s President David Harkey, the results indicate a growing awareness of the safety benefits of crash avoidance technologies and highlight the success of automakers in increasing usage rates.
Technology for lane departure warning and prevention systems is thought to be useful in lowering auto accidents, but it only functions when turned on. However, until recently, the technology had little effect because lane departure systems only addressed a small percentage of crashes and many drivers turned off lane departure alerts because they were bothersome, at least in the beginning.
According to the latest study, automakers have mostly resolved that issue. 87 percent of the vehicles analyzed had lane departure warning and prevention systems turned on, compared to 51 percent in a 2017 study titled "Drivers' use of front crash prevention, lane departure warning and prevention and speed warning systems."
As more features are now engaged and deactivated via the in-vehicle settings menu rather than physical buttons, as was previously the case, there is a greater use of in-vehicle systems. Higher activation rates and increased acceptance of these systems have also been attributed to a move away from audio signals, which drivers frequently find bothersome and toward haptic alerts, such vibrations in the seat or steering wheel. According to a recent study, activation rates for the two automakers that currently rely on visual and auditory alerts are significantly lower than those of the other four automakers, which either mainly used haptic alerts or let drivers select their preferred alert method. The new designs, according to the researchers, are less annoying for drivers and more difficult to disable.
High activation rates for visual anti-speeding alerts are a feature of Intelligent Speed Assistance. Cars with ISA systems, uses a GPS with a speed limit database, a camera to scan posted signs or both to determine the speed limit on the road when the car is on.
As speeding is the contributing factor in more than 25 percent of the U.S fatalities, the European Union now demands that all new cars have ISA systems, which must have haptic or cascading audio warnings in addition to at least visual alarms. ...Read more
Employees' use of rugged technology will be essential to their productivity when operations include fieldwork. Unfortunately, several companies still depend on conventional mobile devices. Though they will function, the newest consumer smartphones or tablets could not hold up over time. When devices are utilized often in the field, outside, or on the operations floor, they will endure severe wear and tear. Consequently, these gadgets may malfunction. Thus, utilizing robust technology is one of the most crucial commercial factors for various industries.
Here are some industries where rugged technology is vital:
Rugged Technology in the Utility Sector
Utility is required in every home and building. Since COVID-19 has arrived and everyone is being advised to stay home, the dependence on utilities on individuals has increased even further. Furthermore, interruptions are unexpected and might occur at any time or location. This industry should provide a prompt response and remedy when it happens. Employees are, therefore, sent to various places and exposed to different situations that may damage their gadgets. As in many other businesses, providing employees with durable devices significantly enhances productivity. Device malfunction is not a concern for employees.
Rugged Technology in the Military
Military personnel must employ equipment that can survive challenging environments and help them in their duties. In the medical industry, device malfunctions can be fatal; hence, they are damaging. Real-time data and information are critical components for operations and strategies to remain efficient and effective. Military personnel may stay connected and have productive talks regardless of the circumstances because of the robust gadgets' exceptional endurance and durability.
Oil and Gas
Rugged gadgets perform very effectively in oil and gas applications, although they are sometimes among the worst working conditions. Rugged technology refers to using gadgets by employees resistant to dampness, harsh temperatures, and other conditions that might lead to failure by mobile devices. Businesses in the oil and gas industry may ensure that everyone is always connected and informed with rugged devices.
Ruggedized technology is essential for enabling employees to interact with managers efficiently. It also helps with asset management, environmental evaluations, surveys, location monitoring, asset response during potentially significant occurrences, and inspection—rugged gadgets suitable for oil and gas workers with the appropriate certifications and features. An employee in this sector can operate more safely, responsively, productively, and cooperatively using an authorized rugged gadget. ...Read more
The rise of IoT devices and real-time data processing demands has pushed traditional cloud computing to its limits, particularly in remote and challenging environments. Edge computing, a distributed computing paradigm, brings computation and data storage closer to data generation, paving the way for innovation in remote operations.
Key Advantages Unlocked by Edge Computing in Remote Operations
Edge computing offers numerous benefits in remote settings, including reduced latency, real-time decision making, bandwidth efficiency, enhanced reliability, improved data security and privacy, and scalability. By processing data locally, the time delay between data generation and action is significantly reduced, allowing for instantaneous responses and enhancing safety. Edge computing acts as a filter, processing raw data locally and transmitting only relevant insights to the cloud, leading to cost savings on bandwidth and storage. It also enhances reliability and offline capability, ensuring operational continuity for critical systems. The localized approach minimizes data exposure during transit to the cloud, reducing the risk of cyberattacks and compliance with data privacy regulations. Edge computing architectures also offer flexibility in managing the growth of IoT devices, preventing network congestion, and optimizing resource utilization.
The future of edge computing in remote operations is poised for significant transformation, driven by the convergence of technological advancements and strategic integration. One of the most notable developments will be the increased sophistication of edge AI. Innovations in model compression, hardware acceleration, and distributed learning will empower edge devices to run more powerful and complex AI algorithms efficiently. This will enable intelligent decision-making directly at the source of data, minimizing latency and enhancing responsiveness. Simultaneously, improved interoperability and standardization across frameworks, protocols, and platforms will streamline the development and deployment of edge solutions, encouraging broader adoption across industries.
The integration of edge computing with 5G and next-generation connectivity technologies will further expand its potential. The high bandwidth and ultra-low latency of these networks will support more robust, real-time applications in even the most remote environments. Additionally, the emergence of self-healing and autonomous edge networks will reduce reliance on manual oversight. These systems will be capable of self-organization and autonomous operation, offering increased resilience and operational continuity.
To support increasingly complex remote operations, multi-layered edge architectures will become more prevalent. These strategies will distribute varying levels of processing power and intelligence across the network, optimizing both performance and cost. Collectively, these trends signal a future where edge computing plays a central role in enabling intelligent, autonomous, and efficient remote operations.
Transformative Use Cases in Remote Operations
Edge computing is revolutionizing remote industries, including oil and gas, agriculture, smart cities, healthcare, industrial IoT, manufacturing, mining, and construction, with its real-time capabilities. In remote oil fields, sensors can instantly analyze data to detect pressure changes, equipment malfunctions, and leaks, thereby preventing costly downtime and enhancing safety. In agriculture, edge computing enables precision farming by optimizing irrigation, fertilization, and animal welfare in real-time. In traffic management, edge devices process data from cameras and sensors, reducing reliance on central cloud systems. In healthcare, edge computing enables remote patient monitoring, improving patient outcomes in real-time. In industrial IoT and manufacturing, edge computing enables the identification of anomalies and the prevention of failures as they occur. The urgency of real-time data is met with the importance of edge computing.
Edge computing is not merely an incremental improvement; it's a paradigm shift that is fundamentally reshaping how organizations operate in remote and challenging environments. By bringing compute power closer to the data source, it empowers real-time decision-making, optimizes resource utilization, and enhances reliability and security, ultimately unlocking unprecedented innovation and efficiency across a diverse range of industries. As technology continues to advance, the role of edge computing in connecting and optimizing the world's most remote operations will only continue to grow. ...Read more
FREMONT CA,: Researchers at the Nano Life Science Institute (WPI-NanoLSI) of Kanazawa University have unveiled an innovative biosensor that significantly enhances the detection of 1-methyl nicotinamide (1-MNA), a metabolite linked to various diseases, including cancer, metabolic disorders, and liver conditions. This innovation, published in Analytical Chemistry , represents a leap forward in disease diagnosis by offering improved sensitivity and accessibility compared to traditional methods like mass spectrometry and nuclear magnetic resonance (NMR).
Addressing Limitations of Traditional Detection Methods
Metabolites such as 1-MNA, by-products of bodily processes, serve as critical biomarkers for diagnosing and monitoring diseases. Elevated levels of 1-MNA are associated with increased nicotinamide N-methyltransferase (NNMT) activity, a process linked to the progression of aggressive cancers and metabolic disorders. While effective, current detection methods rely on expensive equipment and complex sample preparation, limiting their use in routine clinical diagnostics.
Seeking a more efficient solution, researchers Masaya Ueno, Tomoki Ogoshi, and Atsushi Hirao explored pillararenes—a class of macrocyclic molecules known for their versatility in chemical sensing. By leveraging these molecules, the team developed a novel biosensor capable of detecting 1-MNA with significantly higher sensitivity and reduced complexity.
Enhanced Detection with Sulfonated Pillar [6]arene (P6AS)
In their latest work, the research team introduced a sulfonate-functionalized variant of pillar [6]arene (P6AS), which exhibits a binding affinity for 1-MNA that is 700 times greater than its predecessor, carboxylated pillar[6]arene (P6AC). This dramatic increase in sensitivity allows for detecting sub-micromolar concentrations of 1-MNA directly in unpurified urine samples.
Unlike earlier iterations, which required extensive sample purification and could not detect micromolar concentrations of 1-MNA in cell culture supernatants, the P6AS biosensor circumvents these limitations. It delivers precise results without complex preparation steps, making it a practical option for real-world diagnostic applications.
Potential Applications in Disease Diagnosis and Drug Development
The ability to measure 1-MNA levels accurately has profound clinical implications. Elevated NNMT activity is a hallmark of various cancers, and its suppression has shown promise in alleviating certain disease symptoms. By quantifying 1-MNA levels, healthcare providers can gain insights into NNMT activity, aiding in disease diagnosis and monitoring.
Moreover, the P6AS biosensor's high-throughput capabilities open new doors for drug discovery. The device's efficiency could expedite the screening of potential NNMT inhibitors, paving the way for novel treatments for diseases such as liver disease and cancer.
Despite its advantages, the biosensor does have limitations. While it performs well with urine samples, autofluorescence in human serum poses challenges for accurate detection. Researchers are optimistic that further refinements will address these issues, broadening the sensor’s applicability to more sample types.
Implications for Broader Healthcare Innovation
The improved sensitivity of the P6AS biosensor stems from the stronger acidity of its sulfonate groups compared to the carboxylate groups in earlier versions. This breakthrough not only enhances diagnostic precision but also has the potential to transform how diseases linked to NNMT activity are understood and treated.
“Monitoring NNMT expression and activity by quantifying 1-MNA is critical for elucidating patient pathology,” the researchers emphasized. They envision their biosensor as a tool for clinical diagnostics and advanced research, including in vivo imaging of cancer cells and high-throughput drug screening.
Future Directions and Optimism
While traditional methods like mass spectrometry remain the gold standard for detecting nanomolar concentrations, the accessibility and efficiency of the P6AS biosensor position it as a game-changer in diagnostic technology. The team believes that further refinement could unlock even greater potential, including applications in advanced imaging and real-time monitoring of disease progression.
“Further improvement of our strategy will contribute to high-throughput screening of NNMT inhibitors, diagnosis of liver diseases, and imaging of human cancer cells in vivo,” the researchers concluded.
This cutting-edge biosensor not only simplifies disease detection but also marks a significant step toward making diagnostic technologies more accessible. With its potential to improve diagnostics and treatment options, the P6AS biosensor promises to be a vital tool in the fight against cancer, liver disease, and other conditions linked to elevated 1-MNA levels. ...Read more
Top
This content is copyright protected
However, if you would like to share the information in this article, you may use the link below: