Ethical hackers engage in sanctioned hacking—that is, hacking with permission from the system’s owner. In the world of ethical hacking, most tend to use the term pen tester, which is short for penetration tester. Pen testers do simply that: penetrate systems like a hacker, but for benign purposes. As an ethical hacker and future test … Read more
Hacker has two meanings: Traditionally, hackers like to tinker with software or electronic systems. Hackers enjoy exploring and learning how computer systems operate. They love discovering new ways to work — both mechanically and electronically. In recent years, hacker has taken on a new meaning — someone who maliciously breaks into systems for personal gain. … Read more
Since technology can be used by the good and bad guys, there is always a fine line that separates the two. For example, BitTorrent is a peer-to-peer file sharing protocol that al- lows individuals all over the world to share files whether they are the legal owners or not. One website will have the metadata … Read more
Advanced Google users begin testing advanced queries right from the Web interface’s search field, refining queries until they are just right. Every Google query can be represented with a URL that points to the results page. Google’s results pages are not static pages.They are dynamic and are created “on the fly” when you click the … Read more
Google searching is a process, the goal of which is to find information about a topic.The process begins with a basic search, which is modified in a variety of ways until only the pages of relevant information are returned. Google’s ranking technology helps this process along by placing the highest-ranking pages on the first results … Read more
In some situations, an application that is vulnerable to SQL injection may implement various input filters that prevent you from exploiting the flaw without restrictions. For example, the application may remove or sanitize certain characters, or may block common SQL keywords. Filters of this kind are often vulnerable to bypasses, and there are numerous tricks … Read more