cloud computer security techniques and tactics

... surfaces o Attack trees • Computer security strategy o Security policy o Security implementation o Assurance and evaluation o Threats and attacks o Threats and assets • Security functional requirements ... NJ All rights reserved Trang 7Computer Security Challenges • Computer security is not as simple as it might first appear to the novice • Potential attacks on the security features must be considered ... Users making requests Figure 1.2 Scope of Computer Security This figure depicts security concerns other than physical security, including control of access to computers systems, safeguarding of data

Ngày tải lên: 18/12/2017, 15:15

... use of algorithmic techniques for random number generation • Algorithms are deterministic and therefore produce sequences of numbers that are not statistically random Pseudorandom numbers are: ... typically make use of algorithmic techniques for random number generation• Algorithms are deterministic and therefore produce sequences of numbers that are not statistically random Cryptographic applications ... statistical randomness tests • Likely to be predictable Pseudorandom numbers are: • Sequences produced that satisfy statistical randomness tests • Likely to be predictable True random number

Ngày tải lên: 18/12/2017, 15:15

... combination of brute-force and dictionary techniques John the Ripper • Open-source password cracker first developed in in 1996 • Uses a combination of brute-force and dictionary techniques Trang 17Modern ... as other national ID cards, and similar cards such as a driver’s license, for access to government and commercial services Can provide stronger proof of identity and can be used in a wider ... 40, and Typical Defenses Trang 41AUTHENTICATION SECURITY ISSUESEavesdropping Adversary attempts to learn the password by some sort of attack that involves the physical proximity of user and

Ngày tải lên: 18/12/2017, 15:15

... Control Trang 3Access Control Principles RFC 4949 defines computer security as: “Measures that implement and assure security services in a computer system, particularly those that assure access ... allowed to do • Mandatory access control (MAC) o Controls access based on comparing security labels with security clearances Trang 6Subjects, Objects, and Entity used to contain and/or receive ... authorizations, and entitlements Trang 32Identity, Credential, and Access Management (ICAM) • A comprehensive approach to managing and implementing digital identities, credentials, and access control

Ngày tải lên: 18/12/2017, 15:15

... encryption • Cloud computing o Cloud computing elements o Cloud computing reference architecture • Cloud security risks and countermeasures • Data protection in the cloud • Cloud security as a ... Cloud Security as a ServiceCloud service clients and adversaries Identity and access management Network security Data loss prevention Web security Intrusion management Encryption E-mail security Security ... group and is owned by an organization selling cloud services • The cloud provider is responsible both for the cloud infrastructure and for the control of data and operations within the cloud

Ngày tải lên: 18/12/2017, 15:16

... anti-virus anti-virus techniques techniques used used in in conjunction conjunction • Include Include scanning scanning and and activity activity trap trap components components and and access access ... monitor and report on the processes, files, and registries on a computer • Gives administrator (or root) privileges to attacker • Can add or change programs and files, monitor processes, send and ... overlap in techniques for dealing with viruses and worms Once a worm is resident on a machine anti-virus software can be used to detect and possibly remove it Perimeter network activity and usage

Ngày tải lên: 18/12/2017, 15:16

... LAN PCs and workstations Broadband subscribers Broadband users Internet service provider (ISP) A Internet Router Large Company LAN Broadband users Internet service provider (ISP) B Broadband subscribers ... Trang 20Attack prevention and preemption• Before attack Attack prevention and preemption • Before attack Attack detection and filtering • During the attack Attack detection and filtering • During ... filtering • During the attack Attack source traceback and identification • During and after the attack Attack source traceback and identification • During and after the attack Attack reaction • After

Ngày tải lên: 18/12/2017, 15:16

... benign Trang 30o Network, transport, and application layer protocolso Source and destination IP addresses o Source and destination TCP or UDP ports, or ICMP types and codes o Number of bytes transmitted ... Covering tracks tracksTrang 13Definitions from RFC 2828 (Internet Security Glossary) of multiple security events, that constitutes a security incident in which an intruder gains, or attempts to gain, ... traffic and analyzes network, transport, and application protocols to identify suspicious activity  Distributed or hybrid IDS  Combines information from a number of sensors, often both host and

Ngày tải lên: 18/12/2017, 15:16

... desktop and laptop systems, as now the main target for hackers and criminals • Thus security vendors are focusing more on developing endpoint security products • Traditionally, endpoint security ... servers and database servers • In this case the HIPS looks for particular application attacks • Can use a sandbox approach • Sandboxes are especially suited to mobile code such as Java applets and ... security and auditing Insulates the internal systems from external networks Firewall Characteristics Design goals All All traffic traffic from from inside inside to to outside, outside, and and

Ngày tải lên: 18/12/2017, 15:16

... Programmers need to inspect the code and rewrite any unsafe coding • Programmers have audited the existing code base, including the operating system, standard libraries, and common utilities • • An example ... triggered using externally sourced data under the attacker’s control To understand how that buffer is stored in memory and determine potential for corruption Inspection of program source Tracing ... interpretation of any saved data value Modern high-level languages have a C and related languages have high- strong notion of type and valid level control structures, but allow operations direct access

Ngày tải lên: 18/12/2017, 15:16

... 5Software Security, Quality and Reliability• Software quality and reliability: o Concerned with the accidental failure of program o Improve using structured design and testing to identify and eliminate ... inputs a program will receive and the environment it executes in o Assumptions need to be validated by the program and all potential failures handled gracefully and safely • Requires a changed ... assurance and providing practical advice for implementing proven methods for secure software development Trang 10Handling Program Input Incorrect handling is a very common failing Incorrect handling

Ngày tải lên: 18/12/2017, 15:16

... implementatio n and cost versus greater security and robustness against different threats Trang 19Linux/Unix Security• Patch management • Keeping security patches up to date is a widely recognized and critical ... personal firewall, and other malware and attack detection and handling software packages are installed and configured • Current generation Windows systems include basic firewall and malware countermeasure ... a chroot jail oSecurity testing • Windows security oPatch management oUsers administration and access controls oApplication and service configuration oOther security controls oSecurity testing

Ngày tải lên: 18/12/2017, 15:16

... Trang 2Chapter 13Trusted Computing and Multilevel Security Trang 3Two fundamental computer security facts: Two fundamental computer security facts: All complex software systems have ... build computer hardware/software not vulnerable to security attacks It is extraordinarily difficult to build computer hardware/software not vulnerable to security attacks Computer Security ... for Information Technology Security Evaluation • Common Criteria (CC) for Information Technology and Security Evaluation o ISO standards for security requirements and defining evaluation criteria

Ngày tải lên: 18/12/2017, 15:16

... Series of Standards on IT Security Techniques Trang 5g organizatio nal IT security requiremen ts Identifying and analyzing security threats to IT assets within the organization Identifying and analyzing ... the information and services within the organization Developing and implementi ng a security awareness program Developing and implementi ng a security awareness program Detecting and reacting ... detection and handling processes • How and when policy reviewed, and change control to it Trang 10Management Support• IT security policy must be supported by senior management • Need IT security

Ngày tải lên: 18/12/2017, 15:16

... Securing the Cloud Cloud Computer Security Techniques and Tactics This page intentionally left blank Securing the Cloud Cloud Computer Security Techniques and Tactics Vic (J.R.) Winkler ... principles, security risks, and security architecture What we aim to is to describe the security issues associated with cloud computing and how to apply security to cloud computing We recognize that security ... 5: Securing the Cloud: Data Security Chapter “Securing the Cloud: Data Security examines data security in cloud computing along with data protection methods and approaches Cloud security countermeasures...

Ngày tải lên: 31/05/2014, 01:54

... disorders and injuries due to computer use disorders and injuries due to computer use Next Computer Security Risks What is a computer security risk?  Action that causes loss of or damage to computer ... resources computer resources Discuss techniques to prevent unauthorized Discuss techniques to prevent unauthorized computer access and use computer access and use Identify safeguards against hardware ... Theft and Vandalism What are hardware theft and hardware vandalism?  Hardware theft is act of stealing computer equipment     Cables sometimes used to lock equipment Some notebook computers...

Ngày tải lên: 07/03/2014, 14:20

... Yet to Come AN INTRODUCTION TO 3D COMPUTER VISION TECHNIQUES AND ALGORITHMS An Introduction to 3D Computer Vision Techniques and Algorithms Bogusław Cyganek and J Paul Siebert C 2009 John Wiley ... 428 13 Programming Techniques for Image Processing and Computer Vision 13.1 Abstract 13.2 Useful Techniques and Methodology 13.2.1 Design and Implementation 13.2.1.1 Comments and Descriptions of ... introduction to 3D computer vision techniques and algorithms / by Boguslaw Cyganek and J Paul Siebert p cm Includes index ISBN 978-0-470-01704-3 (cloth) Computer vision Three-dimensional imaging Computer...

Ngày tải lên: 17/10/2014, 18:35

... topics: Concepts and techniques Algorithms and data structures Program design and software engineering The book gives a thorough treatment of topic (1) and an introduction to (2) and (3) In which ... book and relate them to particular computation models For example, Java and Smalltalk are based on an object-oriented model Haskell and Standard ML are based on a functional model Prolog and Mercury ... (e.g., Scheme [38] and Standard ML [126, 192]) and more recently with concurrency (e.g., Concurrent ML [158] and Concurrent Haskell [149, 147]) Copyright c 2001-3 by P Van Roy and S Haridi All...

Ngày tải lên: 22/02/2014, 06:20

... Voyatzis, Nikolaidis and Pitas (1998), Ruanaidh, Dowling and Boland (1996), Ruanaidh and Pun (1997), Hsu and Wu (1996), Ruanaidh, Boland and Dowling (1996), Hernandez, Amado and Perez-Gonzalez ... presented in Ruanaidh, Dowling and Boland (1996), Ruanaidh, Boland and Dowling (1996), Bors and Pitas (1996), Nikolaidis and Pitas (1996), Pitas (1996), Boland, Ruanaidh and Dautzenberg (1995), Cox ... Perez-Gonzalez (2000), Swanson, Zhu and Tewfik (1996), Wolfgang and Delp (1996), Craver, Memon, Yeo and Yeung (1997), Zeng and Liu (1997), and Cox and Miller (1997) Security Effectiveness of a watermark...

Ngày tải lên: 07/03/2014, 11:20

... the Cloud? The Emergence of Cloud Computing The Global Nature of the Cloud Cloud-Based Service Offerings Grid Computing or Cloud Computing? Is the Cloud Model Reliable? Benefits of Using a Cloud ... Chapter Summary Chapter Security in the Cloud 6.1 Chapter Overview 6.2 Cloud Security Challenges 6.3 Software-as-a-Service Security 6.3.1 Security Management (People) 6.3.2 Security Governance 6.3.3 ... Chapters and These chapters look at how federation in the cloud and federated services and applications can be used to increase security, build trust, and mitigate risk Dr Ron Ross, a senior computer...

Ngày tải lên: 04/04/2014, 08:07