May 28, 2020
Pandemic presents new cyber security challenges
A time of crisis brings out the best in many people, but sadly the worst in a few. Action Fraud warns that £2 million has already been lost to coronavirus-related fraud in the UK as cyber criminals take advantage of the current pandemic. The phrase ‘no honour among thieves’ springs to mind. And this is just one in a steady stream of headlines about the scams, attacks and campaigns launched by those hoping to make a quick buck off individuals, infrastructure and businesses.
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Clearly, cyber space is another area of our lives in which we need to be taking more care today. As lockdown conditions have resulted in us conducting almost all aspects of our professional and personal lives via the internet, we need to put our security front and centre to keep ourselves, our data and our money safe.
This applies to individuals and businesses alike. At Nominet, as the registry for the .UK namespace and therefore critical national infrastructure, we are incredibly conscious of keeping our networks and servers secure and free from criminal activity.
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May 27, 2020
Routers
As its name suggests, a Router is a hardware component that takes care of routing packets. It determines which node the packet came from and which destination node the sender node want to send it to. No computer knows where other computers are located, and packets are not sent to every computer. A Router identifies the destination node address to which a network packet has to be sent and it forwards it to the desired address.
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Routers have a specific "Routing Protocol†which defines the format in which they exchange data with another router or networking nodes. In other words, routing protocol defines how routers communicate with each other.
Routers build up a "Routing Table†which identifies the most optimized paths to be taken in the network while sending packets.
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May 22, 2020
Cisco SD-WAN
cloud-first architecture that gives a predictable application experience without compromising on security in any way. Its vManage console makes it easy to use SD-WAN to connect data centers, branch offices, and colocation facilities to leverage its many benefits such as increased speed, security, connectivity, and efficiency.
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This vManage dashboard gives you complete control over your SD-WAN and through it, guarantees zero downtime for multiple connections based on different technologies.
Key features
- Its centralized cloud management makes it easy to deploy SD-WAN across thousands of sites.
- Gives real-time analytics, visibility, and control over your applications and in the process improves the overall user productivity.
- Comes with threat intelligence to identify vulnerabilities at the earliest.
- Makes it easy to deploy cloud security across many devices and applications.
- Offers the flexibility to deploy WAN over any connection type such as MPLS, LTE, and the Internet.
- You can add on-demand services like firewall IPS, cloud security, WAN optimization, and URL filtering at any time.
- Works well on both physical and virtual platforms.
- Its onRamp feature makes it easy to connect to IaaS or PaaS cloud environments easily.
- Provides instant visibility into traffic, deployment, and management.
Because of these features, Cisco SD-WAN is a good choice for anyone looking to use it across on-prem and cloud applications.
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May 20, 2020
Why You Need a Computer Network
If your business has more than one computer, chances are you could benefit from networking them. A local area network (LAN) connects your company’s computers, allowing them to share and exchange a variety of information. While one computer can be useful on its own, several networked computers can be much more useful.
Here are some of the ways a computer network can help your business:
File sharing: Have you ever needed to access a file stored on another computer? A network makes it easy for everyone to access the same file and prevents people from accidentally creating different versions.
Printer sharing: If you use a computer, chances are you also use a printer. With a network, several computers can share the same printer. Although you might need a more expensive printer to handle the added workload, it’s still cheaper to use a network printer than to connect a separate printer to every computer in your office.
Communication and collaboration: It’s hard for people to work together if no one knows what anyone else is doing. A network allows employees to share files, view other people’s work, and exchange ideas more efficiently. In a larger office, you can use e-mail and instant messaging tools to communicate quickly and to store messages for future reference.
Organization: A variety of scheduling software is available that makes it possible to arrange meetings without constantly checking everyone’s schedules. This software usually includes other helpful features, such as shared address books and to-do lists.
Remote access: Having your own network allows greater mobility while maintaining the same level of productivity. With remote access in place, users are able to access the same files, data, and messages even when they’re not in the office. This access can even be given to mobile handheld devices.
Data protection: You should know by now that it’s vital to back up your computer data regularly. A network makes it easier to back up all of your company’s data on an offsite server, a set of tapes, CDs, or other backup systems. (Of course, another aspect of data protection is data security. In our article, What Is a Firewall? you can read more about how a network can protect the data it transmits.)
FieldEngineer.com can help you gain access to a global community of SD-WAN engineers that can help you take advantage of this emerging technology.
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May 18, 2020
most endangered IT career paths
The best thing about careers in IT is the pay. Given that the technology is evolving and advancing each day, jobs in the IT industry is getting vast; hence, there are more options and opportunities for job seekers to get into. If you want a career in IT, take note of the following jobs:
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1. IT Consultant
When you say consultant, it may be perceived as unclear or just too broad. Perhaps, it is. However, a consultant is someone that knows how to evaluate the systems that nobody else can. He is also someone that can help figure out solutions for system problems that may arise. According to CNN, this career is ranked number 13 in the world and pays about $96,440 per year. It really pays a lot, and start-up companies are eager to get these consultants to help them out.
2. Computer Forensic Investigator
This must be exciting just like CSI without having to encounter blood and corpse. The computer forensic investigators are also known as computer crime investigators. The evidence they find is often used in court trials. On average, this job pays $69,000 a year.
3. Cloud Architect
The cloud architect is someone who takes care of the cloud computing of a company, which means he should have a thorough knowledge of the components and subcomponents for cloud computing. He also manages and organizes all the cloud activities. According to reports, the annual income for a cloud architect is $112,000.
4. Mobile Application Developer
Smartphones/tablets have taken the world by storm. It has similar functions as that of personal computers and has replaced traditional point and click cameras. Given all these functions, the development of mobile applications has been so high and fast. This is why mobile application developers are so in-demand today. According to reports, a mobile application developer earns about $90,000 per year.
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May 14, 2020
What is Artificial Intelligence?
The short answer to What is Artificial Intelligence is that it depends on who you ask.
A layman with a fleeting understanding of technology would link it to robots. They’d say Artificial Intelligence is a terminator like-figure that can act and think on its own.
An AI researcher would say that it’s a set of algorithms that can produce results without having to be explicitly instructed to do so. And they would all be right. So to summarise, Artificial Intelligence is:
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The concept of intelligent beings has been around for a long time. The ancient Greeks, in fact, had myths about robots as the Chinese and Egyptian engineers built automatons. However, the beginnings of modern AI has been traced back to the time where classical philosophers’ attempted to describe human thinking as a symbolic system. Between the 1940s and 50s, a handful of scientists from various fields discussed the possibility of creating an artificial brain. This led to the rise of the field of AI research – which was founded as an academic discipline in 1956 – at a conference at Dartmouth College, in Hanover, New Hampshire. The word was coined by John McCarthy, who is now considered as father of Artificial Intelligence.
Despite a well-funded global effort over numerous decades, scientists found it extremely difficult to create intelligence in machines. Between the mid 1970s and 1990s, scientists had to deal with an acute shortage of funding for AI research. These years came to be known as the ‘AI Winters’. However, by the late 1990, American corporations once again were interested in AI. Furthermore, the Japanese government too, came up with plans to develop a fifth generation computer for the advancement of AI. Finally, In 1997, IBM’s Deep Blue defeated became the first computer to beat a world Chess champion, Garry Kasparov.
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May 13, 2020
COMPUTER ENGINEERING: CAREERS ON THE RISE
Computer science is one of the country’s hottest and most in-demand professional fields, with the Bureau of Labor Statistics projecting 18 percent growth nationally for all computer occupations between 2012 and 2022. CompTIA’s annual industry outlook report revealed nearly 5 million individuals work in technical IT occupations, and computer engineering-related fields comprise 38 percent of the industry, with hardware at 27 percent and software at 11.
Network administrators have experience with the protocols and fundamental principles of LAN and WAN operations. In their role, network administrators are responsible for administering corporate network services, coordinating network upgrades (both software and hardware), analyzing network performance and managing network security.
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Familiar with a host of programming languages and frameworks, such as Microsoft .NET, C++ and Java, software developers are responsible for coding and testing computer programs, designing and developing new software for applications, updating existing applications and documenting processes.
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May 11, 2020
DoD
DoD continues to execute the procedures outlined in the motion for voluntary remand granted last month with the intent of delivering this critically-needed capability to our warfighters as quickly as possible,†Lt. Col. Robert Carver, a Defense spokesman, said in a statement.
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Under the current court order, DoD has until August 17 to evaluate the two companies’ revised bids, though that order could be extended if the process needs more time. Judge Campbell-Smith also told DoD, AWS and Microsoft to file progress reports every 60 days, starting on June 16.
JEDI has been mired in legal protests and industry criticism since its inception in 2018. Back then, most vendors — except for AWS — were publicly pleading with the Pentagon to structure JEDI as a multiple-vendor arrangement.
A separate bid protest lawsuit, filed by Oracle, contends that DoD violated procurement laws by structuring the JEDI as a single-award contract. The Court of Federal Claims partially agreed with Oracle, but dismissed the lawsuit on technical grounds.
However, Oracle’s protest is still alive: the company has appealed the lower court’s ruling, and lawyers for DoD, Oracle, and Amazon are scheduled to argue that case before the Court of Appeals for the Federal Circuit on June 5.
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May 07, 2020
Protect IT - Update the Software
There are things that all users should be doing, and one of the easiest is also one that is often done the least often. That is updating to the latest version of security software.
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"Your security software, antivirus and antimalware is only as good as its latest update," said Ralph Russo, director of the School of Professional Advancement Information Technology Program at Tulane University.
"As malicious software is discovered on an ongoing basis, security software companies update their security definitions daily -- or more -- to recognize these new threats and counter them," he told TechNewsWorld.
To take advantage of this, security software needs to be kept current through updates.
"It is equally important to update your computer or device operating system -- Windows, Android, iOS, etc. -- and devices including routers, printers and other digital equipment, on an ongoing basis to close vulnerabilities," Russo added.
"Vulnerabilities are flaws in computer systems and devices that leave it vulnerable to attack, he noted.
Oftentimes these vulnerabilities can be discovered months or even years after a system -- software or hardware -- has been in production.
"Software and digital device companies develop fixes to close these vulnerabilities and then release them as software patches and fixes," explained Russo.
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May 05, 2020
Hybrid Cloud Security Challenges
While hybrid clouds can provide significant benefits, deploying these environments effectively can be a challenge. Hybrid environments are more complex than pure cloud or on-premises environments. You need to manage the visibility, analysis and control of additional networking, configuration, and integration tasks than is otherwise necessary. Three of the most common challenges are covered below.
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MIGRATION AND CONFIGURATION
The complexity of hybrid environments can make it difficult to ensure that your configurations are standardized and secure. You need to ensure that policies are applied uniformly and that your deployment is providing the performance you expect. You also need to ensure that when you migrate data and applications, these assets are delivered securely and intact.
The best way to ensure a smooth migration and optimal configurations is with a solid cloud migration strategy. Take the time beforehand to thoroughly research best practices for migration and configuration across any services you are using. You should also consider transitioning in phases. A phased process enables you to test your configurations as you go and can help ensure that assets are not corrupted or left unprotected when moved.
MONITORING
Monitoring hybrid clouds can be a challenge because of the diversity of services you’re using. Although cloud services often provide monitoring tools, these don’t always integrate with existing solutions. Additionally, using these tools typically requires accessing cloud dashboards which are inefficient for security teams.
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May 04, 2020
How to use the Linux dmesg command
It's a rare occasion that your Linux data center servers will go rogue on you. It does, however, happen. Why? Because nothing is perfect, and when a machine is connected to a network, you never know when something could go awry. When that frightening inevitability does occur, you'll be glad to know you have all the tools necessary to resolve the issue.
Server virtualization best practices and tips on what not to do
Quantum computing: Seven truths you need to know
Any admin worth their weight in bitcoin will start by turning to is logs. Within those wondrous words you will find the keys to many a misbehaving kingdom. For most services (Apache, MySQL, etc.) there are individual logs that can key you into connection, authentication, security, and many more issues. But what happens when the system you need to look into is the server platform itself? When there are hardware issues, what log file do you check?
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The first place I look is a special command that offers a host of information about various device drivers that are loaded during boot. The information presented via this command can go a long way toward helping you understand what's going on with your Linux system. That command is dmesg. I've been using this tool to troubleshoot Linux servers and desktops for decades. It's time you start making use of this handy command
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How to use the Linux dmesg command
It's a rare occasion that your Linux data center servers will go rogue on you. It does, however, happen. Why? Because nothing is perfect, and when a machine is connected to a network, you never know when something could go awry. When that frightening inevitability does occur, you'll be glad to know you have all the tools necessary to resolve the issue.
Server virtualization best practices and tips on what not to do
Quantum computing: Seven truths you need to know
Any admin worth their weight in bitcoin will start by turning to is logs. Within those wondrous words you will find the keys to many a misbehaving kingdom. For most services (Apache, MySQL, etc.) there are individual logs that can key you into connection, authentication, security, and many more issues. But what happens when the system you need to look into is the server platform itself? When there are hardware issues, what log file do you check?
Read more: certified linux administrator salary
The first place I look is a special command that offers a host of information about various device drivers that are loaded during boot. The information presented via this command can go a long way toward helping you understand what's going on with your Linux system. That command is dmesg. I've been using this tool to troubleshoot Linux servers and desktops for decades. It's time you start making use of this handy command
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