Articles in the Security Category
Security »
Anyone using MaAfee antivirus? This is for you.
If you are currently running Windows XP we recommend checking to ensure you have the latest security update.
If you are one of a small percentage of McAfee’s consumer customers who has an inoperable or severely impaired PC as a result of the faulty file released earlier this week, we want to sincerely apologize for the inconvenience. Our immediate priority is to get you back up and running.
Here are the steps you can take.
Step 1 – Locate …
Security »
Recent attack on Google in China related with IE vulnerability.
Microsoft is investigating a report of a publicly exploited vulnerability in Internet Explorer. This advisory contains information about which versions of Internet Explorer are vulnerable as well as workarounds and mitigations for this issue.
Our investigation so far has shown that Internet Explorer 5.01 Service Pack 4 on Microsoft Windows 2000 Service Pack 4 is not affected, and that Internet Explorer 6 Service Pack 1 on Microsoft Windows 2000 Service Pack 4, and Internet Explorer 6, Internet Explorer 7 and Internet Explorer …
Security »
Gumblar is a computer virus that first appeared in 2009. It has been identified as one of the most malicious viruses in existence. It is characterized by re-directing user’s Google searches and is suspecting to come from flash and PDF files.
Personal Computers
Visitors to an infected site will be redirected to an alternative site containing further Malware, which was once gumblar.cn, but has now switched to a variety of domains. The site sends the visitor an infected PDF that is opened by the visitor’s browser or Acrobat Reader. The PDF will …
Security, Server »
Multiple DNS implementations vulnerable to cache poisoning
Overview
Deficiencies in the DNS protocol and common DNS implementations facilitate DNS cache poisoning attacks.
I. Description
The Domain Name System (DNS) is responsible for translating host names to IP addresses (and vice versa) and is critical for the normal operation of internet-connected systems. DNS cache poisoning (sometimes referred to as cache pollution) is an attack technique that allows an attacker to introduce forged DNS information into the cache of a caching nameserver. DNS cache poisoning is not a new concept; in fact, there are published …
Security »
CAPTCHA or the Completely Automated Public Turing test to tell Computers and Humans Apart is widely advertised but one wonders if it is really useful or not. But, before we discuss its practical utility, let us see what CAPTCHA is all about. It is a test, which helps the computer to distinguish between machines and human beings. It creates and grades tests that automatically accept all humans and reject all machines.
It gives you a test to decipher distorted numbers and letters, which are pretty easy for a person to do, …
Security »
Have you ever had pop up after pop up on your computer screen? Or have you ever seen it happen on someone else’s? This is something that is happening everyday. What is it? It is either Adware or Spyware.
What is Spyware?
Spyware is a program that monitors or spies on what computer users do on their computers. They then send the information that is gathered over the internet back to companies. The companies then bombard computers with advertisements.
What is Adware?
Adware is a program that monitors or spies on what computer users …
Security »
The e-commerce business is all about making money and then finding ways to make more money. Of course, it’s hard to make (more) money, when consumers don’t feel safe executing a transaction on your Web site. That’s where SSL (Secure Socket Layer) comes into play. Understanding how SSL affects e-commerce business can also potentially help you to unlock (more) money from your customers.
You need SSL if…
- Your business partners log in to confidential information on an extranet.
- You have offices that share confidential information over an intranet.
- You process sensitive …
Security »
Not many of us intentionally leave our cars unlocked or the front of our homes open to strangers. But we often leave our computers wide open to anyone and everyone that may want to snoop.
To get and keep our computers safe from hackers,or anyone wanting to have a look in our computers,we need the aid and assistance of something commonly called Firewalls.
A Firewall can be hardware or software that acts as a gatekeeper to your computer. It does this by monitoring all internet traffic coming in and going out of …
Security, Software »
I’ve been using this software for a long time now. It seem that this is the best software to counter hackers,spyware to run executable within your Windows pc. I give this software 5 star rating.
This software(COMODO Firewall Pro ver 3.0) awarded 5 star rating from CNET download.com and 4 1/2 star for PC Magazine.
PC Magazine evaluated this solution and concluded that, “Comodo Firewall Pro 3.0 is all things to all people. It can act as a simple personal firewall that handles only the basic functions. It can broaden its protection …
Security »
As the software industry has evolved over time, it has become an industry with many different areas of expertise. Along with the expansion of the industry has come an expansion in the number of specific terms in use, particularly just within the United States, to describe the different types of hackers and the different kinds of software and hardware that they focus on.
The different types of hacker that exist today are listed in the table below.
Hacker Type
Explanation
Black Hat
A Black Hat hacker concentrates on finding, and exploiting, the weaknesses in systems …
