Pakistan and Afghanistan mobile phone users have been scared a few days ago by “deadly” virus that allegedly spread from the mobiles to the humans, eventually killing the “infected” users. Of course, everything turned out to be a prank.

The number of spam messages has tripled since summer. Right now, as much as 9 out of 10 e-mails sent word-wide are considered spam.

The new operating system from Microsoft, Windows Vista, will have a brand new antipiracy technology which will block access to the operating system if it’s not activated within 30 days after installation.

The article explains what computer security is and what it means for the home user. It also presents certain facts about problems cause by lack of security. It also discusses the concept of security as an ideal.

The second part of the article emphasizes the characteristics of the Internet fraud types. We’ll discuss about online market manipulation (investment frauds), “work at home” frauds, pyramid schemes, credit (debit) card frauds, identity theft, online retail sales frauds, quick divorce frauds and other frauds.

E-business is still growing but not at the anticipated pace. What is the reason? Internet fraud. Fraudsters use so many fraudulent activities that scary away the genuine customer. The article explains how Internet fraud affects e-business and what the strategies to survive the threat are. This part deals with general information on e-business and some specific Internet frauds.

Currently the email is the most popular service on the Internet. Everyone is using the email as part of their day-to-day activities but also most of the users ignore the fact that emails are not secure at all. Plus, all emails are vulnerable to interception. This article will explain how emails can be spoofed and how we can protect our email from being spoofed.

Even today firewalls prevent DoS attacks, in the recent past they were the cause of major problems, putting sites such as Ebay.com or Amazon.com out of order. We will explain what DoS attacks are, what the methods of attack are and how to prevent them.

The last article from the series “Hackers and Hacking” deals with the most common (and freely available) hacking tools, the impact of hacking attacks and the defense against suck attacks.

This second part deals with the methodology of attacks –Foot Printing, Scanning, Enumeration and Exploitation.

The more business are becoming depending on computers and technology, they are also experiencing security threats never seen before. Hackers are a very big part of the security issues though many professionals tend to overlook the problem. Though “harmless”, hackers usually aim intellectual pursuit.

Cyber crime can be defined as illegal, harmful, dangerous activities committed against a computer or by using a computer, against a computer network or against the information on the computer. The article deals with defining the cyber crime, with the common types of cyber crime and its effects.

An introduction to the world of spyware: what spyware is, what are the computer’s symptoms when infected and what are some of the well known spyware.

Secret key cryptography (SKC) uses a single key for both encryption and decryption and is also known as symmetric key cryptography. As the article is meant for beginners we will present the important information only and also give you links for more detailed information about secret key cryptography.

The Public Key Cryptography has been the most significant development in cryptography in the last 300-400 years. The modern PKC was first described by Professor Martin Hellman and graduate student Whitfield Diffie (Stanford University, 1976). As the article is meant for beginners we will present the important information only and also give you links for more detailed information about Public Key Cryptography.