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 defense vulnerabilities—take the lead by means of assessing the nation of your network’s safety. This e-book provides complicated community checking out techniques, together with vulnerability scanning and penetration checking out, from contributors of the Microsoft safeguard groups. those real-world practitioners offer hands-on information on easy methods to practice defense tests, discover safeguard vulnerabilities, and follow applicable countermeasures. The significant other CD gains time-saving instruments and scripts so that you can use to bare and support right defense vulnerabilities on your personal network.Sharpen and increase your protection overview abilities, together with tips on how to: become aware of vulnerabilities and practice penetration checks behavior and correctly file an IT safety audit locate hidden hosts through the use of DNS, WINS, and NetBIOS Sweep your community to investigate community topology, current hosts, and multi-homed platforms verify the prestige of ICP and UDP ports through the use of port scanning realize and support counter universal community threats, together with: struggle dialing, battle using, and Bluetooth assaults Packet and community sniffing IP, email, and DNS spoofing Password cracking communique interceptions and adjustments IDS and IPS attacker detection avoidance unsolicited mail and different e mail abuses CD positive aspects: instruments for checking out e mail, databases, and internet servers Scripts for locating universal info leaks and different power protection matters whole publication in PDF layout A notice in regards to the CD or DVDThe print model of this booklet ships with a CD or DVD. For these clients procuring one of many electronic codecs within which this booklet is out there, we're happy to provide the CD/DVD content material as a loose obtain through O'Reilly Media's electronic Distribution prone. To obtain this content material, please stopover at O'Reilly's website, look for the identify of this e-book to discover its catalog web page, and click the hyperlink under the canopy picture (Examples, better half content material, or perform Files). observe that whereas we offer as a lot of the media content material as we're capable through loose obtain, we're occasionally constrained through licensing regulations. Please direct any questions or issues to booktech@oreilly.com.

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Once installed, spyware monitors a user’s activ­ ities on his computer and reports the results to the attacker. Sometimes the attacker will not even need to persuade you or a user on your network to run the exploit code—your computers might be set up to do this as was the case with code injection attacks such as SQL or thread injection attacks. More Info See Chapter 18, “Database Attacks,” for more information on SQL injection. 2. If a bad guy can alter the operating system on your computer, it’s not your computer anymore.

2. Identify assets and determine their value. 3. Predict threats and vulnerabilities to assets. 28 Part I Planning and Performing Security Assessments 4. 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.

Tip A better approach to teaching users to rethink passwords is to call passwords pass phrases. Often users find pass phrases easier to use and can remember them more than shorter passwords, even when they are 20 to 30 characters long. 99! has 38 characters and uses a wide range of characters including spaces. By creating pass phrases that have a strong mnemonic value, users and administrators can remember and use codes that are computationally infeasible to crack and difficult to guess. User education can help prevent the human fac­ tor failure mode.

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