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A the Hacker
A The Hacker Madame Curie once said “En science, nous devons nous int´eresser aux choses, non aux personnes [In science, we should be interested in things, not in people].” Things, however, have since changed, and today we have to be interested not just in the facts of computer security and crime, but in the people who perpetrate these acts. Hence this discussion of hackers. Over the centuries, the term “hacker” has referred to various activities. We are familiar with usages such as “a carpenter hacking wood with an ax” and “a butcher hacking meat with a cleaver,” but it seems that the modern, computer-related form of this term originated in the many pranks and practi- cal jokes perpetrated by students at MIT in the 1960s. As an example of the many meanings assigned to this term, see [Schneier 04] which, among much other information, explains why Galileo was a hacker but Aristotle wasn’t. A hack is a person lacking talent or ability, as in a “hack writer.” Hack as a verb is used in contexts such as “hack the media,” “hack your brain,” and “hack your reputation.” Recently, it has also come to mean either a kludge, or the opposite of a kludge, as in a clever or elegant solution to a difficult problem. A hack also means a simple but often inelegant solution or technique. The following tentative definitions are quoted from the jargon file ([jargon 04], edited by Eric S. Raymond): 1. A person who enjoys exploring the details of programmable systems and how to stretch their capabilities, as opposed to most users, who prefer to learn only the minimum necessary. -
IYIR for HTML
INFOSEC UPDATE 2006 Student Workbook Norwich University June 19-20, 2006 M. E. Kabay, PhD, CISSP-ISSMP Assoc. Prof. Information Assurance Program Director, MSIA BSIA Division of Business Management Norwich University [email protected] Copyright © 2006 M. E. Kabay. All rights reserved. Page 1 INFOSEC UPDATE 2006 -- June 19-20, 2006 01 Introduction Category 01 Introduction 2006-06-12 Introduction M. E. Kabay, PhD, CISSP WELCOME Welcome to the 2005 edition of the Information Security Year in Review (IYIR) project. In 1993 and 1994, I was an adjunct professor in the Institute for Government Informatics Professionals in Ottawa, Canada under the aegis of the University of Ottawa. I taught a one-semester course introducting information security to government personnel and enjoyed the experience immensely. Many of the chapters of my 1996 textbook, _The NCSA Guide to Enterprise Security_ published by McGraw-Hill were field-tested by my students. In 1995, I was asked if I could run a seminar for graduates of my courses to bring them up to date on developments across the entire field of information security. Our course had twenty students and I so enjoyed it that I continued to develop the material and teach the course with the NCSA (National Computer Security Association; later called ICSA and then eventually renamed TruSecure Corporation and finally CyberTrust, its current name) all over the United States, Canada, Europe, Asia and the Caribbean. After a few years of working on this project, it became obvious that saving abstracts in a WordPerfect file was not going to cut it as an orderly method for organizing the increasing mass of information that I was encountering in my research. -
John Athayde and Bruce Williams — «The Rails View
What readers are saying about The Rails View This is a must-read for Rails developers looking to juice up their skills for a world of web apps that increasingly includes mobile browsers and a lot more JavaScript. ➤ Yehuda Katz Driving force behind Rails 3.0 and Co-founder, Tilde In the past several years, I’ve been privileged to work with some of the world’s leading Rails developers. If asked to name the best view-layer Rails developer I’ve met, I’d have a hard time picking between two names: Bruce Williams and John Athayde. This book is a rare opportunity to look into the minds of two of the leading experts on an area that receives far too little attention. Read, apply, and reread. ➤ Chad Fowler VP Engineering, LivingSocial Finally! An authoritative and up-to-date guide to everything view-related in Rails 3. If you’re stabbing in the dark when putting together your Rails apps’ views, The Rails View provides a big confidence boost and shows how to get things done the right way. ➤ Peter Cooper Editor, Ruby Inside and Ruby Weekly The Rails view layer has always been a morass, but this book reins it in with details of how to build views as software, not just as markup. This book represents the wisdom gained from years’ worth of building maintainable interfaces by two of the best and brightest minds in our business. I have been writing Ruby code for over a decade and Rails code since its inception, and out of all the Ruby books I’ve read, I value this one the most. -
Mozilla Source Tree Docs Release 50.0A1
Mozilla Source Tree Docs Release 50.0a1 August 02, 2016 Contents 1 SSL Error Reporting 1 2 Firefox 3 3 Telemetry Experiments 11 4 Build System 17 5 WebIDL 83 6 Graphics 85 7 Firefox for Android 87 8 Indices and tables 99 9 Localization 101 10 mach 105 11 CloudSync 113 12 TaskCluster Task-Graph Generation 119 13 Crash Manager 133 14 Telemetry 137 15 Crash Reporter 207 16 Supbrocess Module 211 17 Toolkit modules 215 18 Add-on Manager 221 19 Linting 227 20 Indices and tables 233 21 Mozilla ESLint Plugin 235 i 22 Python Packages 239 23 Managing Documentation 375 24 Indices and tables 377 Python Module Index 379 ii CHAPTER 1 SSL Error Reporting With the introduction of HPKP, it becomes useful to be able to capture data on pin violations. SSL Error Reporting is an opt-in mechanism to allow users to send data on such violations to mozilla. 1.1 Payload Format An example report: { "hostname":"example.com", "port":443, "timestamp":1413490449, "errorCode":-16384, "failedCertChain":[ ], "userAgent":"Mozilla/5.0 (X11; Linux x86_64; rv:36.0) Gecko/20100101 Firefox/36.0", "version":1, "build":"20141022164419", "product":"Firefox", "channel":"default" } Where the data represents the following: “hostname” The name of the host the connection was being made to. “port” The TCP port the connection was being made to. “timestamp” The (local) time at which the report was generated. Seconds since 1 Jan 1970, UTC. “errorCode” The error code. This is the error code from certificate veri- fication. Here’s a small list of the most commonly-encountered errors: https://wiki.mozilla.org/SecurityEngineering/x509Certs#Error_Codes_in_Firefox In theory many of the errors from sslerr.h, secerr.h, and pkixnss.h could be encountered. -
Click Fraud,' Personal, Non-Commercial Use Only
April 6, 2005 PAGE ONE Traffic Jam DOW JONES REPRINTS This copy is for your In 'Click Fraud,' personal, non-commercial use only. To order presentation-ready copies Web Outfits Have for distribution to your colleagues, clients or customers, use the Order A Costly Problem Reprints tool at the bottom of any article or visit: www.djreprints.com. Marketers Worry About Bills Inflated by People Gaming • See a sample reprint in PDF format . The Search-Ad System • Order a reprint of this article now. Mr. McKelvey Turns Detective RELATED ARTICLE By KEVIN J. DELANEY • Internet Firms Face Legal Test on Staff Reporter of THE WALL STREET JOURNAL Advertising Fees3 April 6, 2005; Page A1 Nathan McKelvey began to worry about foul play when Yahoo Inc. refunded him $69.28 early last year. He grew more suspicious when a $16.91 refund arrived from Google Inc. The refunds were for "unusual clicks" and "invalid click activity" and they suggested someone was sabotaging Mr. McKelvey's advertising strategy. He pitches his charter-jet brokerage the way companies increasingly do: contracting with Yahoo and Google to serve up small text ads to anyone searching the Web using certain words, such as "private jet" or "air charter." He pays the search companies a fee every time someone clicks on his ads. But Yahoo and Google determined someone was clicking on CharterAuction.com Inc.'s ads with no intention of doing business, thus unfairly driving up the company's advertising costs. Mr. McKelvey, turning detective, combed through lists of "IP" addresses, the identifying codes supplied by computers when they access Web sites. -
Mozilla, the European Perspective
Mozilla, the European perspective Pascal Chevrel Mozilla Europe October 09 TheThe MozillaMozilla structurestructure Project led by a non-profit: Mozilla Foundation 2 direct subsidiaries: Mozilla Corporation (Web and labs) Mozilla Messaging (Thunderbird) 3 regional affiliates Mozilla Europe Mozilla Japan Mozilla China AA fewfew factsfacts aboutabout MozillaMozilla inin EuropeEurope 45% of Firefox users are in Europe (~150 million) ~32% market share in Europe (vs 23% world) Regional affiliate to Mozilla (Mozilla Europe) Firefox in 41 European languages Dynamic professional market based on the Mozilla platform or using pieces of it (Mozdev Group, Zoomorama, Briks, Glaxstar, Disruptive Innovations, TomTom, 3Liz, Nokia...) France:France: aa fertilefertile fieldfield forfor MozillaMozilla Strong and organized community of developers building applications with the Mozilla platform Organized community with several not for profit organizations (frenchmozilla, geckozone, xulfr) Mozilla Europe is based in Paris Professional market for Xul outside of Firefox add- ons (intranet applications, large scale deployments of Firefox/Thunderbird, industry applications...) TheThe EuropeanEuropean MozillaMozilla CommunityCommunity EuropeanEuropean eventsevents onon MozillaMozilla TechnologiesTechnologies Two annual European-wide meetings for Mozilla 1. FOSDEM, in Université Libre de Bruxelles 2. MozCamp Europe + Direct education outreach with Mozilla Add-ons Workshops across Europe WhyWhy MozillaMozilla EducationEducation inin Europe?Europe? The Mozilla project values are based on sharing of knowledge and meritocracy, values shared with Education Open Source is quickly gaining acceptance both in the industry and the public sector in Europe, making Mozilla technologies an asset on the job market The Web was invented in Europe in CERN ! MMTCMMTC coursecourse inin Madrid,Madrid, 20092009 CollaborationCollaboration withwith URJCURJC A 3 months course online, started with a one week live session of teaching in Madrid. -
Clickjacking: Attacks and Defenses
Clickjacking: Attacks and Defenses Lin-Shung Huang Alex Moshchuk Helen J. Wang Carnegie Mellon University Microsoft Research Microsoft Research [email protected] [email protected] [email protected] Stuart Schechter Collin Jackson Microsoft Research Carnegie Mellon University [email protected] [email protected] Abstract such as a “claim your free iPad” button. Hence, when Clickjacking attacks are an emerging threat on the web. the user “claims” a free iPad, a story appears in the user’s In this paper, we design new clickjacking attack variants Facebook friends’ news feed stating that she “likes” the using existing techniques and demonstrate that existing attacker web site. For ease of exposition, our description clickjacking defenses are insufficient. Our attacks show will be in the context of web browsers. Nevertheless, the that clickjacking can cause severe damages, including concepts and techniques described are generally applica- compromising a user’s private webcam, email or other ble to all client operating systems where display is shared private data, and web surfing anonymity. by mutually distrusting principals. We observe the root cause of clickjacking is that an Several clickjacking defenses have been proposed and attacker application presents a sensitive UI element of a deployed for web browsers, but all have shortcomings. target application out of context to a user (such as hiding Today’s most widely deployed defenses rely on frame- the sensitive UI by making it transparent), and hence the busting [21, 37], which disallows a sensitive page from user is tricked to act out of context. To address this root being framed (i.e., embedded within another web page). -
PLTW Computer Science Principles
Computer Science Virtual Learning PLTW Computer Science Principles April 29, 2020 Computer Science Principles Lesson: April 29, 2020 Learning Target: The goal of this lesson is for students to personally invest in maintaining online security and to improve their personal cybersecurity hygiene. Students focus on cybersecurity from the perspectives of the user, the software developer, businesses, the nation, and the citizen. Introduction With current health crisis, now like no other time in history, our nation has a dire need for people – as employees, citizens, and consumers–to practice good hygiene, hand washing, etc. But what does cyber-hygiene that mean? Why is it so important? What are the worst-case consequences of not practicing good cyber-hygiene? Write your thoughts in your notebook and discuss your ideas with your family and friends. Watch this Video: What is Cyber-Hygiene? Practice:Cyber-Ethics Consider the following two scenarios. In each scenario, decide if Rob has behaved unethically. If his action was unethical, explain why and describe what you think the consequences might be. If his action was ethical, describe what additional actions would have crossed the line into unethical behavior. Write your thoughts for each scenario in your notebook. Compare your answers with the links provided Practice:Cyber-Ethics Scenario 1 Rob is sitting next to Tanya, who is entering a password on a website. Rob watches her type and memorizes her password. He uses it once to see if it really was her password and immediately logs out. He never uses it again. Compare your answers here Practice:Cyber-Ethics Scenario 2 Rob is given access to a computing network. -
Anti-Virus Issues, Malicious Software and Internet Attacks for Non-Technical Audiences
Known Knowns, Known Unknowns and Unknown Unknowns: Anti-virus issues, malicious software and Internet attacks for non-technical audiences By Daniel Bilar Introduction [Heading] The risks associated with the internet have changed significantly. A recent study claims that a typical Microsoft Windows machine is subjected to autonomous infiltration attempts - not just mere pings and probes - from worms and botnets looking for clients once every six minutes.1 Stealth – not exhibitionism or hubris – characterizes this breed of attacks and concomitantly deployed malicious software. Unbeknownst even to experienced human operators, surreptitious attacks are able to insert malicious code deep within the bowels of individual computers and the wider supporting internet communication and control infrastructure such as wireless access points, home routers, and domain name servers.2 In addition to stealth, social engineering via e-mail, Instant 1 Gabor Szappanos, ‘A Day in the Life of An Average User’, Virus Bulletin, January 2009, 10-13, available at http://www.virusbtn.com/. 2 Most users do not bother to change the default passwords on home devices such as routers. Browser vulnerabilities can then be exploited by malicious software to alter the DNS settings of the router, thereby directing any name lookup query to a DNS of the attacker’s choice. This may be used to spoof a bank web site, for instance. See Sid Stamm, Zulfikar Ramzan and Markus Jakobsson, ‘Drive-By Pharming’, Lecture Notes in Computer Science 4861, (Springer, 2007), 495-506 and Hristo Bojinov, Elie Bursztein, Eric Lovett and Dan Boneh, ‘Embedded Management Interfaces: Emerging Massive Insecurity’, Blackhat Technical Briefing, Blackhat USA 2009 (Las Vegas, USA, August 2009), available at http://www.blackhat.com/presentations/bh-usa- 09/BOJINOV/BHUSA09-Bojinov-EmbeddedMgmt-PAPER.pdf. -
Online Advertising Security: Issues, Taxonomy, and Future Directions
IEEE COMMUNICATIONS SURVEYS & TUTORIALS, VOL. XX, NO. NN, XX 2021 1 Online Advertising Security: Issues, Taxonomy, and Future Directions Zahra Pooranian, Senior Member, IEEE, Mauro Conti, Senior Member, IEEE, Hamed Haddadi, Member, IEEE and Rahim Tafazolli, Senior Member, IEEE Abstract—Online advertising has become the backbone of over time. Also, mobile advertising has become one of the the Internet economy by revolutionizing business marketing. It fastest-growing industries with the advent of smartphones [6]. provides a simple and efficient way for advertisers to display Millions of mobile applications are registered in various ap- their advertisements to specific individual users, and over the last couple of years has contributed to an explosion in the plication platforms such as Google Play Store, Apps Store, income stream for several web-based businesses. For example, etc., which contain at least one advertising library that allows Google’s income from advertising grew 51.6% between 2016 and mobile advertising [7]. According to [8], in 2019, total mobile 2018, to $136.8 billion. This exponential growth in advertising advertising spending worldwide has reached $189 billion and revenue has motivated fraudsters to exploit the weaknesses of will surpass $240 billion by 2022. the online advertising model to make money, and researchers to discover new security vulnerabilities in the model, to propose Online advertising uses the same mechanisms that are countermeasures and to forecast future trends in research. applied to manage other “traditional” advertising channels, Motivated by these considerations, this paper presents a such as newspapers, radio or TV, but is much more creative in comprehensive review of the security threats to online advertising providing targeted and personalized advertisements [9], [10]. -
UI Redressing and Clickjacking: About Click Fraud and Data Theft
Introduction Attack vectors Counteractive measures Conclusion and outlook UI Redressing and Clickjacking: About click fraud and data theft Marcus Niemietz [email protected] Ruhr-University Bochum Chair for Network and Data Security 25th of November 2011 Marcus Niemietz, RUB @Zeronights UI Redressing and Clickjacking Introduction Attack vectors Counteractive measures Conclusion and outlook Short and crisp details about me Studying \IT-Security/Information Technology", RUB \Computer Science", Distance University Hagen B.Sc. in \IT-Security/Information Technology" Books Authentication Web Pages with Selenium ≥Feb. 2012: Clickjacking und UI-Redressing International speaker Work: RUB, Pixelboxx, ISP and IT-Security, Freelancer (trainings, penetration tests) Twitter: @mniemietz Marcus Niemietz, RUB @Zeronights UI Redressing and Clickjacking Introduction Attack vectors Counteractive measures Conclusion and outlook Contents 1 Introduction UI redressing Clickjacking 2 Attack vectors UI redressing Round up Clickjacking Tool 3 Counteractive measures Frame busting Busting frame busting Clickjacking statistics 4 Conclusion and outlook Marcus Niemietz, RUB @Zeronights UI Redressing and Clickjacking Introduction Attack vectors UI redressing Counteractive measures Clickjacking Conclusion and outlook Introduction Google Inc. can generate a profit of over $8.5 billion in 2010 Interesting for commercial companies to offer web applications shopping banking share status messages New attacks available that can bypass existing protection mechanisms CSRF -
Security and Privacy Implications of Third-Party Access to Online Social Networks
Die approbierte Originalversion dieser Dissertation ist in der Hauptbibliothek der Technischen Universität Wien aufgestellt und zugänglich. http://www.ub.tuwien.ac.at The approved original version of this thesis is available at the main library of the Vienna University of Technology. http://www.ub.tuwien.ac.at/eng Security and Privacy Implications of Third-Party Access to Online Social Networks PhD THESIS submitted in partial fulfillment of the requirements of Doctor of Technical Sciences within the Vienna PhD School of Informatics by Markus Huber, M.Sc. Registration Number 0306665 to the Faculty of Informatics at the Vienna University of Technology Advisor: Privatdoz. Dipl.-Ing. Mag.rer.soc.oec. Dr.techn. Edgar Weippl Second advisor: o.Univ.Prof. Dipl.Ing. Dr. A Min Tjoa External reviewers: Assoc. Prof. Dr. Engin Kirda. Northeastern University, USA. Prof. Dr. Stefan Katzenbeisser. Technische Universität Darmstadt, Germany. Wien, 27.08.2013 (Signature of Author) (Signature of Advisor) Technische Universität Wien A-1040 Wien Karlsplatz 13 Tel. +43-1-58801-0 www.tuwien.ac.at Declaration of Authorship Markus Huber, M.Sc. Burggasse 102/8, AT-1070 Vienna, Austria I hereby declare that I have written this Doctoral Thesis independently, that I have com- pletely specified the utilized sources and resources and that I have definitely marked all parts of the work - including tables, maps and figures - which belong to other works or to the internet, literally or extracted, by referencing the source as borrowed. (Vienna, 27/08/2013) (Signature of Author) i Acknowledgements I am grateful to my supervisor Edgar R. Weippl for his excellent mentoring over the course of my postgraduate studies and for giving me the freedom to pursue my own research ideas.