Networking Basics CS 3IS3 Ryszard Janicki Department of Computing and Software, McMaster University, Hamilton, Ontario, Canada Acknowledgments: Material based on Information Security by Mark Stamp (Appendix 1) Ryszard Janicki Networking Basics 1/27 Network If you already had Network course, this part is redundant, but I realize many students did not take Network course yet and […]
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Current and Future IoT Trends Syllabus This module will cover the following • Current state of IoT landscape • Machine learning • Edge computing • Privacy: issues and PIAs • Cloud security: Platform Security Architecture • Research topic example: Federated Learning 2 © 2020 Arm Limited Current state of IoT landscape Faster growth than previously
QUIZ QUIZ 04 Cryptography/ Information Gathering Recap Key terms (Symmatric) Key Terms ( Asymmetric) Also called “Public-key cryptography” One-way-function (trapdoor) Easy to perform in one way but not the opposite Measure by big O notation, it must be quadratic O(n2) or above Factoring a number is consider ‘hard’ RSA (Rivest–Shamir–Adleman) First (and standard) asymmetric crypto-system
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GAINING THE ADVANTAGE Applying Cyber Kill Chain® Methodology to Network Defense THE MODERN DAY ATTACKER Cyberattacks aren’t new, but the stakes at every level are higher than ever. Adversaries are more sophisticated, well-resourced, trained, and adept at launching skillfully planned intrusion campaigns called Advanced Persistent Threats (APT). Our nation’s security and prosperity depend on critical
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Answers to EH_20_00_quiz Q. What is the full name of ‘admin’ in Windows A. administrator, which RID ( relative ID) is 500 Read more : https://en.wikipedia.org/wiki/Security_Identifier Q. Which username you would try when first login into a unknown FTP server A. anonymous https://attack.mitre.org/techniques/T1078/001/ • rockyou The industry standard wordlist for password cracking History: https://en.wikipedia.org/wiki/RockYou Further
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11 Computer Networks Networks • To connect two computers together one requires only a point-point cable with a channel for each direction. – Such a cable would be attached to an I/O port on each machine supported by device drivers and communication software. • When there are many machines, however, this can’t work. • Instead
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IERG 4130 – Introduction to Cyber Security (Spring 2021) Lab 2: TCP/IP Attack & Cross-Site Scripting (XSS) Attack Total: 100’ (+10’ bonus) Due Date: Apr. 27 11:59PM Reference: https://seedsecuritylabs.org/ Note: The following tasks are adjusted and may be different from the original SEED labs. 1. TCP/IPAttack 1.1 Overview The vulnerabilities in the TCP/IP protocols represent
Chapter 8: Network Troubleshooting Connecting Networks Presentation_ID © 2008 Cisco Systems, Inc. All rights reserved. Cisco Confidential 1 Chapter 8 – Sections & Objectives §8.1 TroubleshootingMethodology • Explain troubleshooting approaches for various network problems. § 8.2 Troubleshooting Scenarios • Troubleshoot end-to-end connectivity in a small to medium-sized business network, using a systematic approach. Presentation_ID ©
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Changes with nginx 1.9.3 14 Jul 2015 *) Change: duplicate “http”, “mail”, and “stream” blocks are now disallowed. *) Feature: connection limiting in the stream module. *) Feature: data rate limiting in the stream module. *) Bugfix: the “zone” directive inside the “upstream” block did not work on Windows. *) Bugfix: compatibility with LibreSSL in
Изменения в nginx 1.9.3 14.07.2015 *) Изменение: дублирующиеся блоки http, mail и stream теперь запрещены. *) Добавление: ограничение количества соединений в модуле stream. *) Добавление: органичение скорости в модуле stream. *) Исправление: директива zone в блоке upstream не работала на Windows. *) Исправление: совместимость с LibreSSL в модуле stream. Спасибо Piotr Sikora. *) Исправление: в