Monday, 10 July 2017

Spamming and the Prevention Methods



Spam mail is a kind of commercial advertising. Spamming is an easy form of advertising a product because email sending much cheaper than other advertising methods. Even if a small number of recipients buy the advertised product, the advertiser will get back more than the advertising cost. 

Even though spam mails are mostly in English, it comes in other languages also including Chinese, Korean and Asian languages.

How Spammers Get Emails?

Spammers harvest Email addresses from the following sources mainly:
Publicly accessible sources like Social Media, News Portals, Search Engines 
Using software programs to collect bulk addresses on the web
By guessing common usernames at a given domain name.

Phishing



Phishing is a kind of spam where messages coming as it’s sent from some legitimate sources like financial institutions, banks as an attempt to steal recipients’ sensitive data (like bank account/credit card information) on fraud web sites.

In fact, banks or financial organizations will never ask sensitive information online. So, it’s advised to verify the origin of the message before filling any information.

How to avoid Spam?

  • NEVER open suspicious email or attachments. It may have viruses or worms which can infect your PC and later it can be used to send spam.
  • Use firewall on your PC to stop attacks from people who’re attempting to penetrate to your system and use it to send spam.
  • Always check the privacy policy on sites before registration. Please ensure that they will not give away your Email address to other third parties.
  • While posting on forums or other public places, do not add your Email ID in your signature.
  • Setting up autoreplies in Email is good, but it may ensure the existence of your email ID to spammers.
  • If the message arrives from a strange or random letters of domain, they might be spam. Stay away from such mails.
  • Also, avoid using your real email addresses in order to sign up for free downloads.
  • Do not purchase anything through spam messages you receive, so as not to support spammers economically.
  • While in chat rooms, don’t display your Email address publicly
  • Some spam mails would ask recipients to provide their bank account details. If the recipient gives away those details, their bank account balance will be nill within seconds. This kind of spam is called ‘scam’.
  • Other popular kind of spamming, is Nigerian letters which would be a request to be their business partner in the recipient’s country and later on they will ask some initial investment. So, be careful about it.



Spam Category:

  • Personal finance
  • Adult content
  • Health
  • IT
  • Automotive
  • Education and training

New Spam: Ant-Spam Campaign



There has been arrived a new kind of Spam which advertises Anti-Spam campaigns. People who’re eager to know about the anti-spam facts, will be taken to a Trojan site where it uses the infected system to send spam emails to the contact list stored in the PC.

CCNP Security Training in Cochin

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Saturday, 8 July 2017

Big Data Overview




Big data is defined as the data which is too large or complex in nature. It’s also described as the collection, processing and availability of huge volumes of streaming live data in real-time. The traditional data processing techniques are inadequate to process it.

By using Big Data, companies can understand and analyze the business concepts and thereby able to take better decisions and strategies for development of the firm.

Big Data Categories


Big data comes from various devices and their applications. Explained below are some of the methods through which big data can be extracted:
Search Engine: Search engines grab a large volume of data from different sources of database.

Social Media: 
Data gathered through Social networking sites like Face book, Twitter, Google Plus. It contains the information and comments posted by millions of people around the globe.

Stock Exchange: 
It has information about the ‘buying’ and ‘selling’ decisions regarding share between different companies and the customers.

Transport: 
It includes the data on vehicle model & type, capacity, distance and availability of a vehicle.

Black Box: 
It is incorporated by flights, which stores a large amount of information like the conversation between flight crew members and other communication centers such as ground duty staff.

Power Grid: 
The power grid data stores the information consumed by a particular node in a base station.

The Importance of Big Data


There are several significances for Big Data which can solve and rectify many issues in businesses, like below:
  • To take smart and wise decision
  • For the development of a new product
  • To announce the best and optimized offers
  • To reduce cost
  • To reduce time and duration


Big Data Advantages:

  • It’s relevant
  • It’s accessible
  • Big Data is authoritative
  • It’s up-to-date and actionable


Big Data Analytics

While checking big data with high-powered analytics tools, great results can be obtained which can re-draw the business strategy like:
  • Identifying the root cause of failures and defects.
  • Understanding the customer’s habit of buying more clearly
  • Improving consumer engagement and loyalty
  • Calculating the total risk portfolios quickly.
  • Detecting and finding out any suspicious behavior at the earlier stage.


Who uses the Big Data Technology?

  • Banking sectors
  • Government organizations
  • Education centers
  • Health Care sectors
  • Manufacturing units
  • Retail sectors


How businesses are utilizing Big Data?

Big Data is converted into small piece of information. Then business enterprises can analyze and identify what their customers’ need, which products are fast moving in the market, methods to reduce cost etc., Likewise, the Big Data offers big benefits for business enterprises and hence there is a great demand for it in the business world.


Software Testing Training in Cochin

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Email: softentechnologiescochin@gmail.com

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