Technical Education

                                     Search Engine Search Engine:                   The search engine is computer program or software system   which allows to find the information  on World Wide Web.       Ex. Google,Yahoo, bing etc                  In this digital world we are using most of time this search engines.But we have no idea about how the search engine works?      2.How the search engine works?                  Each search engine works in three main steps.                      i)Crawling                     ii)Indexing                    iii)Ranking      i)Crawling:                    In general crawling means babies are move forward on the hands and knees or by dragging the body close to the ground.This is the first step  of baby for standing up like this crawling is same first step of search engine.                    Crawling is a process which search engine discover the web pages,sites,dead links etc. The web crawler is also called a spi

                                     Dumpster Diving        Attacker does not launch their attack without any information. This information gets from targets trash.        If attacker gets the information from the targets trash is called Dumpster Diving.Its belongs to the Social Engineering.      In the dumpster diving the attacker search the small data in trash and it get very sticky information like a pin number,username,password etc,.       In computer security dumpster diving is like a dumping. That means the rubbish unwanted waste,unwanted materials etc,.           How to avoid Dumpster Diving? Avoid throwing sensitive information in the trash. Company should have some polices about to destroy trash. Company should contain trash container.