AWS vs Azure vs Google. Which is best for Cloud Computing.? || techtalksgroup ||

Having taken over our daily communications almost entirely, the web is constantly evolving and expanding. With this continuous expansion, it provides you with more and more data which you consume daily. However, all the information that appears on the web, every like, subscription, tweet, downloaded video or uploaded vlog, making all of this possible requires a highly sophisticated computational process working behind it, constantly.

The smooth functioning of the web has more to it than just the computational procedure. Current web services operate through a solid and intricate network of RAM, containers, database engines as well as machine learning skills.

Importance Of Cloud Technology

Due to continuous technological growth and advancements, the demand for cloud computing services is increasing, too. It has become essential for individuals and businesses to have a better storage space with increased security and faster service. There is no doubt about the fact that Google has been ruling the internet with its search engine services. However, when it comes to cloud technology, Amazon and Microsoft are giving Google tough competition. Amazon offers the most-up-to-date mobile and web apps in the market, gaining a strong anchorage for itself in the market.

With these constant high-tech developments and changes, migrating to a cloud platform is not an expensive and time-consuming process for an organization anymore. With so many cloud providers in the market, business corporations are finding it extremely beneficial as they can have more options and services to choose from that are cost-effective as well.

Which Is The Most Cost Effective Platform?

Google stepped into the cloud market when Amazon Web Services was already an established cloud platform in the IT industry. AWS was relaunched in 2006 and has been offering advanced cloud services and products since then.

Just like Amazon Web Services and Google, Microsoft introduced Azure to establish itself in the cloud market. Presently, Microsoft Azure enjoys a bigger market share than the GCP and has been continuously working on developing and upgrading its level of services to the consumer.

Current Market Scenario

According to the latest study, Amazon rules the share market with a hold of a massive 34%. Amazon is followed by Microsoft Azure, which owns around 14% of the market share. Last but certainly not the least, we have tech giant Google Cloud holding a minimal percentage of the market share.

The apparent supremacy of Amazon in the market has, in turn, resulted in greater demand for certified professionals to manage cloud computing for organizations. As a result, AWS certification training is highly sought after by individuals as it globally verifies their cloud computing skills and increases their chances of landing up an ideal job.

Why Opt For Amazon Web Services (AWS)?

Amazon Web Services (AWS) is one of the leading cloud platforms in the IT industry. Amazon Web Services offers a wide variety of services including mobile apps, management, and other web developing tools. AWS offers products and services to perform storage operations and manage containers that assists an AWS certified developer to perform cloud operations more effectively and efficiently.

Amazon’s cloud platform is based on IaaS and consists of the following parts:

• Database management
• Networking and storage
• Computation Power

EC2 and S3 are the most prominent features of AWS and serves as a base for more advanced level services and products offered byAmazon Web Services.

Since Amazon offers the largest number of services, it is possible that you may find those services that aptly suit your organization’s storage needs and requirements. These applications help developers to design and manage advanced-level and highly scalable applications.

Ever since it was relaunched in 2006, AWS has been continuously working on making its cloud services more affordable than its competitor cloud platforms, Microsoft and Google. For those potential customers who are skeptical about migrating to AWS platform, Amazon has a free trial offer for such users.

As AWS is constantly modifying its services to meet the needs of organizations, it is becoming immensely popular and being adopted by many enterprises. These enterprises are currently in search of trained staff who can effortlessly handle their cloud operations.AWS offers various training programs for professionals to equip them to meaningfully contribute to their organization. Therefore, it is highly recommended to enroll in the right IT training program and earn an AWS certification if you seek career advancements.

Why Opt For Google Cloud Platform (GCP)?

Many experts opt for Google as it offers a wide range of products and services for cloud specialists. The most popular among these is the Google App Engine. With the help of Google App Engine, you can design various applications without working on multiple servers.

This app by Google takes care of building mobile applications as well as web applications efficiently. One factor that makes Google Cloud the first choice of many experts is that you can execute all computing operations by using the very hardware utilized by Google for its countless web services such as Gmail, Google Search etc. Moreover, services by Google Cloud also include supplying databases, networking as well as storage solutions.

Hence, you can find an all-inclusive solution for your IT operations and produce varied web services and apps. Despite the fact that Google provides fewer facilities and options comparatively, it still boasts a large clientele due to its comprehensive approach.

Google Cloud Platform lags behind AWS and Microsoft Azure in terms of the number of services and features provided. However, it offers the most cost-effective package for small businesses and start-ups. This package helps Google in winning the confidence of new users and clients and find a firm footing in the cloud market.

Why Opt For Microsoft Azure?

Microsoft Azure provides a platform to help professionals work on VMs. Similar to Amazon Web Services and GCP, you can adjust your computation power according to your system’s requirements here as well. If you need computing in parallel batch for your web services, Microsoft Azure takes care of it, as does Amazon AWS. Azure and Amazon AWS have to their credit the exceptional trait of providing the option of large scale parallel computing.

Since Azure does not offer a free trial package for new users, it is better that users first determine their cloud needs and choose only those services and products that would be beneficial for their cloud system. You might have to pay for additional services separately.

Conclusion

It is evident that Amazon, Microsoft and Google have their own strengths and weaknesses. While Amazon concentrates on the number of services and offers the largest number of cloud services, GCP on is known for offering services at a lower price Microsoft Azure tries to maintain a balance between its services, costing and features.

Before selecting a cloud platform for your organization, you have to first figure out your budget and your organization’s storage needs. It is better to first understand different applications and features these platforms have to offer. Then it will be easier for you to decide on the features and services which are really beneficial for your organization.

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How Hackers Get Into Computers ..?? || techtalksgroup ||

Hacking has become an comman term now a days between the youngsters specially in newbies. They get excited by seeing the stuffs in some science fiction movies which shows them hacking by pressing the keyboards faster and within seconds the hacker get access to the computer. But thats not true..!! Hacking into someones computer or network require some sort of steps which should be follows these steps include:-

Casing the Target

Firstly identify the target in which you want to get access. It can be a computer in the network in which you are connected . Lets take an example, Suppose you are Colleges newbie and want to upgrade your attendance by getting access to the colleges main server computer, so for doing this you should first identify the  computer by knowing its IP Address. and you can get it easily if you are connected to same network.

Identifying Target Components

Now after getting the victims IP identify the component on which you are going to perform the attack, in short you have to scan for any port open and a service/software should be running on that specific port. After that scan for any vulnerability in that software which users that service through which you are performing the attack. Lets take an example:- You are connected in a network of 10 computer and you want to perform an attack on a specific computer which has a port 3389 open which is default port for RDP connection which is remote desktop connection then you will going to find the vulnerability in windows ( suppose you are going to attack windows os ) for RDP connection. Then after getting the vulnerability use standard tools to exploit it.

Obtain Access

For obtaining the access to the victims computer you should have the password of the victims computer profile which you can get by two methods either the victims trust on you, and he tells himself the password to you, who's chances are less or you can see him by entering the password, and the another method is to go for Brute Force Attack. and get the password.

Obtaining Privileges 

 After getting access to any of the profile of the victims computer, its your good luck that you might by-pass the most privilege profile  of the victim other if you get access to the normal profile of the computer through register keys you can get the password of the most privilege user easily.

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Obstacle Detection System Using Arduino and Ultrasonic Sensor || techtalksgroup ||

Things used in the project:

1. Test Board

2. Ultrasonic sensor

3. Arduino cable

4. +5V buzzer

5. Male to male pins

6. Arduino uno board

Connect the Components as shown in the circuit:

Connect the Buzzer positive terminal to the Arduino pin 2 and the negative terminal to the Gnd. Connect the VCC pin of ultrasonic to +5v pin and the Gnd to the ground.

Connect trig pin to pin 10 and echo pin to pin 9.

Upload the code in the Arduino:

// Define pins for ultrasonic and buzzer
int const trigPin = 10;
int const echoPin = 9;
int const buzzPin = 2;
void setup()
{
pinMode(trigPin, OUTPUT); // trig pin will have pulses output
pinMode(echoPin, INPUT); // echo pin should be input to get pulse width
pinMode(buzzPin, OUTPUT); // buzz pin is output to control buzzering
}
void loop()
{
// Duration will be the input pulse width and distance will be the distance to the obstacle in centimeters
int duration, distance;
// Output pulse with 1ms width on trigPin
digitalWrite(trigPin, HIGH);
delay(1);
digitalWrite(trigPin, LOW);
// Measure the pulse input in echo pin
duration = pulseIn(echoPin, HIGH);
// Distance is half the duration devided by 29.1 (from datasheet)
distance = (duration/2) / 29.1;
// if distance less than 0.5 meter and more than 0 (0 or less means over range)
    if (distance <= 50 && distance >= 0) {
    // Buzz
    digitalWrite(buzzPin, HIGH);
    } else {
    // Don't buzz
    digitalWrite(buzzPin, LOW);
    }
    // Waiting 60 ms won't hurt any one
    delay(60);
}

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What are Ultrasonic Sensors ? How do they work ? || techtalksgroup ||

When you need input from the real world to your robot or data collection system, there are several options to choose from:

• Light detection (infrared sensors, light-dependent resistors, and computer vision setups)

• Sensors based on magnetic fields

• Ultrasonic sensors

How do Ultrasonic Sensors Work?

Ultrasonic sensors work by emitting sound waves at a frequency too high for humans to hear. They then wait for the sound to be reflected back, calculating distance based on the time required. This is similar to how radar measures the time it takes a radio wave to return after hitting an object.

While some sensors use a separate sound emitter and receiver, it’s also possible to combine these into one package device, having an ultrasonic element alternate between emitting and receiving signals. This type of sensor can be manufactured in a smaller package than with separate elements, which is convenient for applications where size is at a premium.

While radar and ultrasonic sensors can be used for some of the same purposes, sound-based sensors are readily available—they can be had for just a couple dollars in some cases—and in certain situations, they may detect objects more effectively than radar.

For instance, while radar, or even light-based sensors, have a difficult time correctly processing clear plastic, ultrasonic sensors have no problem with this. In fact, they’re unaffected by the color of the material they are sensing.

On the other hand, if an object is made out of a material that absorbs sound or is shaped in such a way that it reflects the sound waves away from the receiver, readings will be unreliable.

If you need to measure the specific distance from your sensor, this can be calculated based on this formula:

Distance = ½ T x C

(T = Time and C = the speed of sound)

At 20°C (68°F), the speed of sound is 343 meters/second (1125 feet/second), but this varies depending on temperature and humidity.

Specially adapted ultrasonic sensors can also be used underwater. The speed of sound, however, is 4.3 times as fast in water as in air, so this calculation must be adjusted significantly.

Applications for Ultrasonic Sensors

So where can we use these sensors? Robot navigation comes to mind, as well as factory automation. Water-level sensing is another good use, and can be accomplished by positioning one sensor above a water surface. Another aquatic application is to use these sensors to “see” the bottom of a body of water, traveling through the water, but reflecting off the bottom surface below.

Though it might not be immediately obvious, if configured correctly ultrasonic sensors can even measure fluid flow rates. In the simplest case, an emitter and a receiver (separate in this configuration) are aligned with the flow of a fluid. Since sound is traveling through a moving medium, the speed of sound relative to these elements will be increased or decreased by the velocity of the fluid. This can be applied to flow inside pipes by aligning these two elements at an angle to each other, calculating the effective velocity increase based on the trigonometric relations between the two. Flowrate accuracy can be increased by using data from multiple ultrasonic elements, giving results accurate to within a fraction of a percent.

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What are the 5 ways you can use #hastags effectively of your Facebook Page . || techtalksgroup ||

Do you include Facebook hashtags in your Facebook Page posts?
With 1.15 billion users, Facebook is an attractive place for businesses to market to customers.
Today I’m going to cover Facebook hashtag usage and how your brand can benefit from using Facebook hashtags.

The role of Facebook hashtags in marketing

While Facebook hashtags don’t seem as popular as on Twitter or Instagram, they can still help your brand.
With 1.15 billion users, Facebook is a great place to put your marketing efforts for your business.
When compared to other social networks, no other network comes close when in terms of active user.

Facebook hashtag usage

Don’t overdo Facebook hashtags

While users are encouraged to use on average 11 Instagram hashtags, Facebook hashtag usage is much lower.
For example, you don’t want to use them in every post.
You also don’t want to use too many. 2-3 hashtags typically work best for Facebook hashtag usage.

Hashtags must be one word

I often get asked what is a hashtag.

Capitalization isn’t important

When looking at Facebook hashtag usage, remember, capitalization isn’t important.
For example, using #Facebookmarketing instead of #FacebookMarketing will take users to the same hashtag.
Personally, I like to capitalize the second word. This way it is a little easier to read the hashtag.

Don’t blindly pick a hashtag – research it first

When choosing a hashtag, be sure you’ve done some research.
Not only can they save you a lot of time, but you can also see how popular a hashtag is before beginning your Facebook marketing campaign.

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Have you ever noticed, Why does your Flash Plugins get crashed time to time..?? || techtalksgroup ||

The Flash plugin is a small program that works within your browser, allowing you to view and interact with animated files created in Flash format. The reasons for a crash can vary from browser to browser. Here, we'll look at the most likely causes of Flash plugin crashes in Chrome, Firefox and Internet Explorer.

Google Chrome has its own internal Flash installation, unlike Firefox and Internet Explorer, which rely on your computer system's Flash installation to handle Flash content. In some cases, Chrome tries to simultaneously use both its internal version and the installation on your machine, and everything freezes up. To find out if this is the cause of your Flash crash, type "about://plugins" (without quotes) in the address bar of your Chrome window. If you find two Flash files in use, disable one of them and give the site another try.

If duplicate Flash files aren't the source of your problem, you may have software or malware on your system that's causing the crash. To check this, type "chrome://conflicts" into your address bar, and Chrome will display a list of any third-party applications known to conflict with Chrome. You can also check to see if a browser extension such as ad-blocking software may be causing a conflict. Type (you guessed it) "chrome://extensions" into your browser address bar and go down the list one by one to see if disabling one of the extensions resolves the issue.

In Firefox, the most common reason for a Flash plugin crash is an outdated version of the Flash player. To check, go to Mozilla's Plugin Check page and see if Flash needs to be updated. If so, you will need to manually install the latest version of Flash from the Adobe website. If Flash is up to date, try disabling hardware acceleration, first in Flash (you can find this setting in your Adobe Flash Player Settings), then in the Firefox browser itself [source: Mozilla Support]. (Hardware acceleration uses the video or graphics card on your computer for extra processing power when displaying animations or videos.)

Flash plugin crashes seem to be slightly less common in Internet Explorer, but if you do experience a crash, the most likely culprit is an outdated version of Flash. If installing the latest version of Flash Player from the Adobe website doesn't solve the problem, another browser add-on may be causing a conflict. To remove or disable add-ons, click on Manage Add-ons, under the Tools button in Internet Explorer.

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Problems that may come while implementing IOT || techtalksgroup ||

In the coming century, the biggest threat to us will not be the wars between the countries or states. The biggest threat or the war that we should be concerned about is the cyber war. It is a direct threat to our privacy, our private conversations, moments, pictures-everything that sums up our life.
Technology has always been a double-edged sword. With all the benefits and advantages, follows unknown and unprecedented threats. For us to succeed and work in harmony with technology, we need to address and confront the threats that it carries. Simply ignoring or putting them aside is not the solution.
In fact, it is the last thing we can do bring the house of cards crashing down. Ignoring a problem is the same as inviting the problem. And similar is the case with IoT, Internet of Things.
A very less number of people genuinely address the threats and challenges IoT could or will face as part of its journey.

Here Are the 5 Biggest Security Threats and Challenges for IoT

Anything which is connected to the Internet is open to threat. Like the saying goes, ‘There are two types of companies. One which has been hacked and one which does not not know it has been hacked.’ This rightly sheds some light on the fact that, we are always vulnerable. It all depends upon how less vulnerable you are.
Until and unless we do not address and come face to face with the evil of Internet, we would not be able to create counter measures that protect us from these threats.
Any threat, be it on IoT or on a website, is backed by a purpose. In 100% of the cases, these threats or attacks are human generated. The purpose may vary depending upon the intruder’s target:
i) Since IoT devices are used and operated by humans, an intruder may want to gain unsolicited access to the human.
ii) By eavesdropping on the wireless IoT devices the intruder may want to catch hold of confidential information.
iii) IoT devices run on low power and less computing resource capability, due to this they cannot afford to have complex security protocols. Hence, it becomes an easy target for intruders.

Vulnerability

The most basic and easy to pick threat to IoT devices is its vulnerability. Companies providing IoT solutions start with addressing this issue first before commemorating on the underlying software.
We also need to understand, vulnerability can be of two types: Hardware and Software. Hardware vulnerability is often tough to detect or penetrate. However, it is even tougher to repair or overhaul the damage.
Software vulnerability points towards a poorly written algorithm or a line of code with a backdoor. This backdoor can easily provide access to intruders prying for such moments.

Easy Exposure

This is one of the most fundamental issues faced by IoT industry. Any device, if unattended or exposed to troublemakers, is an open invitation to discomfort. In most of the cases IoT devices are not resilient to third-party exposure-they either lay open, easily accessible to anyone.
This means that an intruder can either, easily steal the device, connect the device to another device containing harmful data, or try to extract cryptographic secrets, modify the programming or even replace those devices with malicious ones of which the intruder has complete control.

Threats

Threats can be of two types: Human threat and Natural threat. Any threat arising from natural occurrences such as Earthquakes, Hurricanes, Floods or Fires can cause severe to very severe damage to IoT devices. In such cases, we often take a backup or create contingency plans to safeguard the data. But, any damage caused to the devices physically cannot be restored.
Today, IoT solutions have matured over time. Devices today have evolved to be waterproof. It is a long journey before IoT solution providers come up with something which is fireproof or earthquake proof.
On contrary, we do everything in power to curb any human threats to IoT devices. These threats are usually malicious attacks.

Human Attacks Can Be Further Identified As:

Cyber reconnaissance: Where an intruder uses cracking techniques and malicious softwares to conduct espionage on the targeted user; to either gain access to secret information or sabotage the existing systems.

Brute Force attacks on passwords: Intruders make an attempt to guess the user’s passwords with the help of an automated software which makes innumerable attempts until the right password grants the access.

Stalking or Tracking: User’s each and every move can be tracked or traced by the UID of the IoT device. Tracking a user gives out away their precise location in time where they wish to remain anonymous.

Controlled Attacks: Using Denial of Services (DoS), Trojans or Viruses are some examples of controlled attacks. In such cases, intruders develop a particular Virus which is programmed to function in a certain manner in order to destroy the host device. Programmers and developers have to be vigilant while working on current IoT solutions since hackers today have strong artillery to launch cyber attacks around the globe.

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