Download Assessing Network Security by Kevin Lam, David LeBlanc, Ben Smith PDF

By Kevin Lam, David LeBlanc, Ben Smith

Don’t look forward to an attacker to discover and make the most your safeguard vulnerabilities—take the lead by means of assessing the country of your network’s safeguard. This e-book promises complex community checking out options, together with vulnerability scanning and penetration trying out, from individuals of the Microsoft defense groups. those real-world practitioners offer hands-on tips on the right way to practice defense exams, discover protection vulnerabilities, and observe acceptable countermeasures. The spouse CD positive factors time-saving instruments and scripts so that you can use to bare and support right defense vulnerabilities on your personal network.Sharpen and strengthen your safety review talents, together with tips to: observe vulnerabilities and practice penetration exams behavior and correctly file an IT safety audit locate hidden hosts by utilizing DNS, WINS, and NetBIOS Sweep your community to investigate community topology, present hosts, and multi-homed structures verify the prestige of ICP and UDP ports by utilizing port scanning realize and support counter universal community threats, together with: warfare dialing, battle riding, and Bluetooth assaults Packet and community sniffing IP, electronic mail, and DNS spoofing Password cracking verbal exchange interceptions and variations IDS and IPS attacker detection avoidance unsolicited mail and different email abuses CD positive aspects: instruments for trying out electronic mail, databases, and internet servers Scripts for locating universal details leaks and different power safeguard concerns entire publication in PDF layout A notice in regards to the CD or DVDThe print model of this ebook ships with a CD or DVD. For these shoppers deciding to buy one of many electronic codecs during which this e-book is accessible, we're happy to supply the CD/DVD content material as a loose obtain through O'Reilly Media's electronic Distribution providers. To obtain this content material, please stopover at O'Reilly's website, look for the identify of this publication to discover its catalog web page, and click the hyperlink less than the canopy photograph (Examples, spouse content material, or perform Files). notice that whereas we offer as a lot of the media content material as we're capable through unfastened obtain, we're occasionally restricted by means of licensing regulations. Please direct any questions or issues to booktech@oreilly.com.

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Assessing Network Security

Don’t stay up for an attacker to discover and take advantage of your safeguard vulnerabilities—take the lead via assessing the nation of your network’s safeguard. This ebook provides complex community trying out recommendations, together with vulnerability scanning and penetration checking out, from participants of the Microsoft defense groups.

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Weak passwords and weak password reset processes are the absolute lowest common denomi­ nator of penetration testing and attacking networks; it simply does not get any easier than this. 33 34 Part I Planning and Performing Security Assessments More Info Chapter 15, “Password Attacks,” discusses weak passwords and how to establish countermeasures. 6. A machine is only as secure as the administrator is trustworthy. One constant on all networks is that you must trust the network administrators. The more administrative privileges an administrator account has, the more the administrator must be trusted.

Can be automated. ■ Does not necessarily require ■ Results only as good as the a lot of skills to conduct. software used. ■ Subject to false positives. ■ Finds only widely known weaknesses. Penetration testing IT security auditing ■ Shows consequences of compromising. ■ Reveals weakness not dis­ coverable by scanning (such as social engineering weaknesses). ■ Can increase the degree of assurance of protection against common attacks. ■ Requires highly skilled people. ■ Results only as trustworthy as the skill of the tester.

Document the security risks. 5. Determine a risk management strategy. 6. Monitor assets. 7. Track changes to risks. Setting the Scope If you try to assess and manage all security risks in your organization, you are likely to be overwhelmed and certain to miss critical details. Before beginning a risk assessment, set the scope of the risk assessment project. For example, you might want to limit the project to a certain service or business unit. This helps you to better estimate the time and cost required to assess the security risks in the project and to more easily document and track the results.

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