Showing posts with label Communication. Show all posts
Showing posts with label Communication. Show all posts

What is Spyware? How to protect your Mobile/PC from it?

A Software program designed in such a way to extricate information from a device Mobile/PC or communication/electronic device including identity details, financial transactions, property certificates, bank information, credit card information, other personal communications etc.,

 Intrusion into a system through a software program is one of the ways to do it. Often spyware is loaded on to a computer in the form of a legitimate PC game or a Browser Tool bar etc etc.,. Then it logs your activity, the sites you visit, the communications you make and transfers data remotely without the user even knowing about it on a regular basis, unless it scanned and removed from the system regularly.

Often the cookies that you receive from the sites you visit they record and trace your browsing info, but when you store those cookies continuously, they will continue to know about even after several months that you have visited their site. The companies use such information to target customers when they are browsing the Internet. And ads that Pop up in your browsers reflect that reality. Those are Adware.

Always have an Anti-Virus and Spyware protection on hand. Run the spyware scan and remove any unwanted program on your computer. Buy your Spyware Protection and Anti-Virus from a reputed brand.

There is no fool proof security, some or other way a User clicks on unwanted Pop-up. Sometimes visit a website while browsing and malware catches it. It's always useful to close Pop-Ups by clicking the X sign instead of cancel.

Don't click on suspicious links on Twitter, Facebook, MySpace etc.,

Three basic steps for Android Users :
1. Do not leave 'unknown sources enabled'
2.Avoid third party apps i.e., use only apps from Google Play store.
3. Read App Permissions carefully.

For Apple Users :
 It is a Unix based operating system it is less susceptible to attacks.

  1. Apple has built in Anti-Malware X protect officially known as File Quarantine, snow leopard, Apple OS X
  2.  Do Not Install Norton Anti-Virus on a Mac machine. Not compatible and it will seriously damage your device
  3. Number of fake security products don't install them.
  4. Block Pop-ups
  5. Avoid suspected websites
  6. Avoid Peer to Peer communications.
  7. Consider using Mac OS X built in firewalls.
  8. Use an Anti Virus Program like ClamXav.
Further reading :

What is malware? How to protect your PC/Mobile from it? 

What is Computer Virus? How to protect your Mobile/PC from it? 
 
  Valleyz

Browser Security Essentials for User Privacy Part 4

Continuing from the previous post, we will discuss now what are session cookies and persistent cookies and how to handle them.

Session Cookies are sometimes used in authentication in order to log-in a customer into a restricted area, like chat clients, e mail, bank accounts and other authentication based user access websites, to record your visit and amount of time spent at a website and give seamless access to all the web pages associated with that website. 

Session cookies are also time duration sensitive and record your activity when using a website, if there isn’t any activity for a stipulated period of time, some websites prompts to re enter the authentication credentials to prove that it is the original user who is using the account, since there are so many ways that an account can be compromised. Always remember to clear the cache and other personal details like search forms, address bars and history of the browser when using a public terminal and also do not forget to close off the browser before leaving. 

The closing of the browser terminates all the connections with communication ports through which the data traverses on the machine. This all information is stored in an Internet Protocol header (IP header) and other memory registers on your system. There are so many other ways to work with IP headers. So when the browser window is closed it terminates all those ports involved in communication at that particular moment of time. So when a new Browser is opened it has to initiate all the requests to establish a new connection with new set of values.This in many ways helps protect your privacy.

Communication technologies have converged fast, 4G networks are already deployed in many parts of the world particularly in some markets in Scandinavia, North America and South East Asia. More and more devices are hooking up, more technologies and gadgets are developing at a rapid pace, the more the security issues are involved with all the devices which we use for our daily communication needs, and it is highly advised to update your understanding and techniques of using these technologies, so that we do not fall victim to attacks and loose our precious data and time.

And now we will come to discuss Persistent cookies, these are the cookies which note a user's preferences and other needs like customer settings like language, mode and other user preferences while visiting a site and stores this information in the cookie to be placed onto your system. So when you make the next visit, it is easy for us to be offered services at a faster speed. But the problem with these set of cookies is same as ever, that it could be used to target you knowing your preferences, if a malicious user gains access to these cookies. So it will be up to you to clear the cookies when you visit a site. Or the level of trust you place with the site being visited.

So you need to focus on how to set privacy settings on your local browser, if you're using multiple browsers, you need to understand where you need to look for the privacy settings in different browsers. You need to understand how to clear cookies from your system, how often and when.

In the upcoming posts we will look into how other types of persistent cookies( which are almost impossible to remove), flash objects and scripts pose serious privacy issues for a user and how to deal with them.

The reason to take these issues seriously is, it is not all the time that a user can know in any way that his accounts are being used unscrupulously. Sometimes there is every chance that you will never know, how your personal accounts have been abused.

Browser Security Essentials for User Privacy Part 3

It is long time since I have delivered a post at my blog due to my busy schedule, but please remember one thing, that in absence of ready information, you should try to inculcate the habit of searching for latest trends related with Internet security.

And now we will further discuss Browser Security with respect to User's privacy, and how to handle the cookies that a user might come across while surfing the web. We will also discuss about scripts and flash running on a system in upcoming posts.

So now, lets settle down to discuss cookies. It is important to understand all the privacy issues associated with all types of cookies.

The types of cookies are tracking cookies( these are cookies specially designed to track the movements of a user when surfing the web),  session cookies, persistent cookies and and also the Local Shared Objects( Flash cookies ).

Session cookie are session based that are erased after a browser is closed, they are no longer stored on a users system, and that work with a typical session ID. They are stored in a temporary folder and automatically get erased.

Session Cookies are sometimes used as authentication cookies in order to log-in a customer into a restricted area, like chat clients, e mail, bank accounts and other authentication based user access websites. These cookies are specially designed both ways to protect a users account from intrusion from a hacker waiting in line to attack,  to record user's visit to a website and give seamless access to all the web pages associated with that website also recording your visit length simultaneously.

The persistent cookies are the one's which notes customer settings like language, Geographic location and other user preferences while visiting a site and stores this information in the form of a cookie to be placed onto the user's system. So, when user makes the next visit it is easy for him/her to be identified and offered services at a faster speed. But the problem with these set of cookies is same as ever, that it could to be used to target you knowing your preferences if a malicious user gains access to these cookies. It will be up to the user to clear the cookies when visiting a site. Or the level of trust a user place's with the site.

User need to focus on how to set privacy settings on the local browser, if you're using multiple browsers, you need to understand, where you need to look for the same privacy settings in different browsers. You need to understand how to clear cookies from your system, how often and when.

In the upcoming posts we will look into how other types of persistent cookies, flash objects and scripts pose privacy issues for a user.

Denying Denial of Service (DoS) attacks

ScienceDaily (2009-09-30) -- A way to filter out denial of service attacks on computer networks, including cloud computing systems, could significantly improve security on government, commercial, and educational systems.

In the past few years we have heard about a large scale DoS attacks across the globe, the more recent in the memory are the one's which took place at the Georgian Government networks just prior to the war breaking out there, researchers noticed at that point of time huge amount of web traffic directed towards the networks and it was viewed new form of modern IT warfare which reflects in how the future wars might take place.

Also there has been large scale attacks on the government websites in US such as NASA and other important government websites, it was suspected to be an attack originiating in Asia particularly in North Korea.

Science daily.com.