Archive for the ‘ Computer Security ’ Category

 

What is a Digital Signature?

July 8th, 2010 Posted by  admin

Like digital certificates a digital signature is created with asymmetric or public-key cryptography. In the same way as signing your name to a document legally binds the document to you, a digital signature proves that a document belongs to a user. In addition, a digital signature provides other benefits beyond simply proving that [...]

What is a Digital Certificate?

July 7th, 2010 Posted by  admin

In order to fully understand digital certificates, learning a little about cryptography is helpful.  To learn the basics of cryptography go HERE.
Digital certificates rely upon public key cryptography to operate.  Public key cryptography uses two mathematically related keys to secure data.  The first key is the private key of the message recipient and the second [...]

What is Cryptography?

July 3rd, 2010 Posted by  admin

Cryptography is an important part of preventing private data from being stolen.  Even if an attacker were to break into your computer or intercept your messages they still will not be able to read the data if it is protected by cryptography or encrypted.  In addition to concealing the meaning of data, cryptography performs other [...]

How to Avoid Phishing Attacks

June 26th, 2010 Posted by  admin

The number and sophistication of phishing scams sent to consumers is increasing rapidly. If you do not know what phishing is you can find out HERE. Because phishing uses social engineering to trick victims into responding to an email message or into visiting a fake site, one of the most effective forms of [...]

What is a Phishing Attack?

June 23rd, 2010 Posted by  admin

Social engineering attacks are designed to trick or deceive victims into disclosing secure or private information.  A simple example of this type of attack is a recently fired information technology worker who is able to slip past security because they do not know that the former employee does not work there anymore.  Once inside their [...]

Tips to Counter Spyware

June 17th, 2010 Posted by  admin

In the field of computers and networked communications, spyware has become a menace for lots of computer users and working professionals. Hence, it is essential to take certain precautions to counter spyware.

It is important to use antivirus software that also offers protection against spyware. Update it regularly and permit it to scan the computer. In [...]

What is a Remote Administration Trojan?

June 10th, 2010 Posted by  admin

Remote Administration Trojans (RATs), sometimes called a remote administration tool, uses a Trojan as the delivery mechanism for a malicious  tool, which is used to remotely connect and manage a single or multiple computers.
Many RATs mimic the functionality of legitimate remote control programs but are designed specifically for stealth installation and operation. Intruders usually hide [...]