Assignment

1. What is a botnet? How it can be used in DOS (denial of service) attack.  What is DOS?

A botnet is an accumulation of Internet-joined projects speaking with other comparable projects so as to perform errands. The expression botnet is a blend of the words robot and system. The term is normally utilized with a negative or vindictive intention. The term bot is short for robot. Malware that can transform your PC into a bot (otherwise called a zombie).

In disseminated foreswearing of-administration assaults, numerous frameworks submit whatever number demands as could reasonably be expected to a solitary Internet PC or administration, over-burdening it and keeping it from overhauling true blue appeals.

In figuring, a dissent of-administration (DoS) assault is an endeavor to make a machine or system asset inaccessible to its expected clients.

2. 2. What are the main reasons for computer security attacks (why security attacks)?

There are three variables or principle reasons which add to why digital assaults are propelled: The trepidation element, Spectacular component & Vulnerability variable.

1) Fear element

The most widely recognized, apprehension consider, a cyberterrorist will make dread amongst people, gatherings, or social orders.

2) Spectacular component

With breathtaking components, it is the genuine harm of the assault, importance the assaults made direct misfortunes and increased negative attention.

3) Vulnerability element

Powerlessness variable endeavors how simple an association or government foundation is helpless against digital assaults. An association can without much of a stretch be powerless against a refusal of administration assault or a legislature foundation can be mutilated on a site page.

Aside from the over three reasons the security assaults are normally utilized for making harm, monetary reasons, fighting and terrorism.

3. What is spam?

Spam is flooding the Internet with numerous duplicates of the same message,...