Network Security Foundations by Matthew Strebe

By Matthew Strebe

Community protection Foundations offers crucial wisdom concerning the rules and strategies used to guard desktops and networks from hackers, viruses, and different threats. What you study right here will profit you within the brief time period, as you got and perform your talents, and within the long-term, as you employ them.

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12. When a new computer is first set up, how does the system know that the person setting up the computer is authorized to do so? 13. What is the most secure form of authentication? 14. How can a hacker circumvent permissions-based access control? 15. How can a hacker circumvent correctly implemented encryption-based access control? TEAM LinG - Live, Informative, Non-cost and Genuine! Chapter 2 Understanding Hacking In This Chapter ◆ ◆ Know thy enemy. Hackers are the reason you need to implement computer security, and an in-depth defense against any adversary requires an in-depth understanding of that adversary.

Any serious attempt at security will keep these hackers at bay. In addition to the desire to impress their peers, script kiddies hack primarily to get free stuff: software and music, mostly. They share pirated software amongst themselves, make MP3 compressed audio tracks from CDs of their favorite music, and trade the serial numbers needed to unlock the full functionality of demo software that can be downloaded from the Internet. script kiddie A novice hacker. Underemployed Adult Hackers Underemployed adults are former script kiddies who have either dropped out of school or failed to achieve full-time employment and family commitments for some other reason.

Defend against them on public servers by staying up-to-date on the latest security bulletins for your operating system or by using security proxies that can drop suspicious or malformed connections before they reach your server. TEAM LinG - Live, Informative, Non-cost and Genuine! Understanding Hacking 35 Source Routing The TCP/IP protocol suite includes a little-used option for specifying the exact route a packet should take as it crosses a TCP/IP-based network (such as the Internet). This option is called source routing, and it allows a hacker to send data from one computer and make it look like it came from another (usually more trusted) computer.

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