Distributed DOS
A distributed denial of service (DoS) attack is accomplished by using the Internet to break into computers and using them to attack a network.
Hundreds or thousands of computer systems across the Internet can be turned into “zombies” and used to attack another system or website.
Types of DOS
There are three basic types of attack:
a. Consumption of scarce, limited, or non-renewable resources like NW bandwith, RAM, CPU time. Even power, cool air, or water can affect.
b. Destruction or Alteration of Configuration Information
c. Physical Destruction or …

In Simple way we can say that cyber crime is unlawful acts wherein the computer is either a tool or a target or both
Cyber crimes can involve criminal activities that are traditional in nature, such as theft, …

The JonDoFox research team has uncovered a new attack on web browsers: Affected are the web browsers Firefox, Chrome and Safari. By a hidden call over of a URL with HTTP authentication data, third party sites could track a user over several web sites, even if the user blocks all cookies and other tracking procedures. JonDoFox now contains an integrated protection against this attack. Third party sites may now no longer receive HTTP authentication data from …