By Ido Dubrawsky

CompTIA's safeguard+ certification is a globally-recognized, seller impartial examination that has helped over 60,000 IT execs succeed in additional and better of their careers. the present safety+ examination (SY0-201) focuses extra on having the ability to care for safety matters instead of simply determining them. the recent examination covers six significant subject matters: platforms defense, community Infrastructure, entry regulate, tests and Audits, Cryptography, and Organizational defense. This 3rd version has been up-to-date to stick to and canopy the recent examination targets. After interpreting this publication not just will you be ready to move the examination yet you have a operating wisdom of cryptography, protection laws, vulnerability exams, logical entry keep watch over tools, and lots more and plenty extra. *Complete exam-prep package deal contains complete insurance of recent safety+ ambitions and two whole perform exams*Authored by means of a number one Microsoft safeguard expert.*A strong reference for either starting defense pros and a professional IT individual, this e-book is going past the examination targets to hide the expertise, and the way that know-how is at the moment being deployed within the company global and what the way forward for the expertise will be. those insights give you the reader a glance "inside" defense, either this day and sooner or later.

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Extra info for CompTIA Security+ Certification Study Guide, Third Edition: Exam SY0-201 3E

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Exam Warning There are thousands of worms, viruses, and other malicious software that can infect your computer. Don’t spend significant time memorizing information about them, as in the exam there won’t be questions that target your knowledge about specific viruses and worms. The information provided here allows you to see what viruses, worms, and other malware can do to your system, and how they work. From looking at these worms, we note that it is easy to understand that effective protection against many worms is the timely and prompt installation of patches released by software vendors, especially Microsoft because of its market presence.

Users may unknowingly download them from Web sites or willingly install the spyware believing it to be something else. But more often than not they are tricked into installing it as it is covertly installed as part of another utility’s installation or installed through the exploitation of vulnerability in the user’s browser. As for the method of collecting information, they can record and inform on Web site browsing history, look for information stored in the file system of the computer, or even log keystrokes looking for passwords.

A backdoor is an undocumented and, generally, 8 CHAPTER 1 Systems Security Overview an unauthorized way of gaining remote access to a computer. Once the system is compromised, the backdoor will listen for commands on a network port, allowing the computer to be accessed by a hacker or controlled by the worm’s creator. Exam Warning A worm can take down a system because it has the capability to replicate itself inside of the memory of the target computer. Once it uses up the memory, the system goes down.

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