the file had been modified. Next, you used GnuPG to generate an encryption key pair and encrypted a message. Finally, you used the key pairs to send secure messages between two user accounts on the virtual machine and verified the integrity of the received files. Lab Assessment Questions & Answers 1. Compare the hash values calculated for Example.txt that you documented during this lab. Explain in your own words why the hash values will change when the data is modified. The harsh value would
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by configuring firewalls and removing vulnerable open ports. Lab Assessment Questions & Answers 1. What is the first Nmap command you ran in this lab? Explain the switches used. Nmap command: nmap –O –v 10.20.100.50 -O was the switch used to detect the operating system 10.20.100.50 -v was the switch used to show the detail of 10.20.100.50 2. What are the open ports when scanning 192.168.3.25 and their service names? * 80 HTTP services * 135 Microsoft EPMAP (End Point
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RSA Key Extraction via Low-Bandwidth Acoustic Cryptanalysis∗ Daniel Genkin Technion and Tel Aviv University danielg3@cs.technion.ac.il Adi Shamir Weizmann Institute of Science adi.shamir@weizmann.ac.il Eran Tromer Tel Aviv University tromer@cs.tau.ac.il December 18, 2013 Abstract Many computers emit a high-pitched noise during operation, due to vibration in some of their electronic components. These acoustic emanations are more than a nuisance: they can convey information about the
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Chapter – 1 Introduction Virtually all businesses, most government agencies and many individuals now have web sites. The number of individuals and companies with internet access is expanding rapidly and all of these have graphical user browser. As a result businesses are enthusiastic about setting up facilities on the web for electronic commerce. But in real web and internet are vulnerable to compromises with various sorts. As business wake up to this reality, the demand for secure web services
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Penetration testing Penetration testing A Hands-On Introduction to Hacking by Georgia Weidman San Francisco Penetration testing. Copyright © 2014 by Georgia Weidman. All rights reserved. No part of this work may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, recording, or by any information storage or retrieval system, without the prior written permission of the copyright owner and the publisher. Printed in USA First printing 18
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