SYSTEM SECURITY
Malicious Software
1. Malicious Software:
S/W that is intentionally inserted into a system for a harmful purpose.
2. Virus:
A piece of S/W that can infect other programs by modifying them.
3. Worm:
A program that replicate itself and send copies from computer to computer across n/w.
It usually performs some unwanted functions.
4. DDoS.
 Backdoor (or) Trapdoor:
 A secret entry point into a program.
 Lets an unscrupulous programmer to gain access to the program without using the ....etc

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Learn image-text associations
Using Web Crawler
What is web crawler?
Also known as a Web spider or Web robot.
Other less frequently used names for Web crawlers are ants, automatic indexers, bots, and worms.
“ A program or automated script which browses the World Wide Web in a methodical, automated manner”
(Kobayashi and Takeda, 2000).
What is web crawler?
The process or program used by search engines to download pages from the web for later processing by a search engine that will inde ....etc

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ABSTRACT
IP spoofing is a method of attacking a network in order to gain unauthorized access. The attack is based on the fact that Internet communication between distant computers is routinely handled by routers which find the best route by examining the destination address, but generally ignore the origination address. The origination address is only used by the destination machine when it responds back to the source.
In a spoofing attack, the intruder sends messages to a computer indicating that the mess ....etc

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dear, i am looking for American Heritage Dictionary.
if you can help me, please do.
thanks in advance ....etc

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Ethical Hacking for Educators



THE GREAT HACKER WAR
Legion of Doom vs Masters of Deception; online warfare; jamming phone lines.
1984: Hacker 'ZinesHacker magazine 2600 publication; online 'zine Phrack.
CRACKDOWN (1986-1994)
1986: Congress passes Computer Fraud and Abuse Act; crime to break into computer systems.
1988: The Morris WormRobert T. Morris, Jr., launches self-replicating worm on ARPAnet.



1993: Why Buy a Car When You Can Hack ....etc

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Scrip in Marathi for retirement program. ....etc

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Definition

Criminals have long employed the tactic of masking their true identity, from disguises to aliases to caller-id blocking. It should come as no surprise then, that criminals who conduct their nefarious activities on networks and computers should employ such techniques. IP spoofing is one of the most common forms of on-line camouflage. In IP spoofing, an attacker gains unauthorized access to a computer or a network by making it appear that a malicious message has come from a trusted machine by spoofing the IP address of that machin ....etc

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Designing Supply Chain Network



Designing Supply Chain Network for each industry or business involves arriving at a satisfactory design framework taking into all elements like product, market, process, technology, costs, external environment and factors and their impact besides evaluating alternate scenarios suiting your specific business requirements. No two supply chain designs can be the same. The network design will vary depending upon many factors including loca ....etc

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BUFFER OVERFLOW ATTACKS



Introduction:
Brief History:


Buffer Overflows have been successfully used as a method of penetrating ....etc

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Synthetic Aperture Radar System

Introduction
When a disaster occurs it is very important to grasp the situation as soon as possible. But it is very difficult to get the information from the ground because there are a lot of things which prevent us from getting such important data such as clouds and volcanic eruptions. While using an optical sensor, large amount of data is shut out by such barriers. In such cases, Synthetic Aperture Radar or SAR is a very useful means to collect data even if the o ....etc

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To make presentation on the requested topic ....etc

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