SAP SECURITY CONFIGURATION AND DEPLOYMENT PDF
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Extended application services in general are referred to as XS. All the databases in a multiple-container system share the same installation of the database system software, the same computing resources, and the same system administration.
However, each database in such a system is self-contained and isolated, for example with regard to its users, data, backups, and trace files. Choosing the first option means that customers receive a completely installed and preconfigured SAP HANA system on certified hardware from an SAP hardware partner, including the underlying pre-installed and pre-configured operating system. The second option enables installed base customers to reduce hardware and operational costs and optimize time-to-value, in addition to gaining additional flexibility in hardware vendor selection.
There is a wide range of cloud offerings available for SAP HANA, from infrastructure- and platform-as-a- service to enterprise-class managed application hosting.
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After a power failure, the database can be restarted like any disk- based database and returns to its last consistent state. This section will briefly introduce the different scenarios, how they differ from traditional security approaches and what customers need to consider from a security perspective when planning their SAP HANA projects. The scenarios below can also be combined within the same installation with some restrictions.
Security features such as authentication, authorization, user management, encryption, and audit logging are mainly provided and enforced in the application server layer, while SAP HANA is used as a data store only with performance optimizations.
They are exposed to end users via a web interface 2- tier architecture , see figure below. Additionally, support for protection against typical vulnerabilities of web-based applications, for example XSRF, is included. This architecture requires a project-specific security model. User self services e. For password login, a password policy governs change frequency, password complexity and other password-related security settings.
After first logon, users are forced to set new passwords.
Roles are used to bundle and structure privileges, allowing to create sets of privileges for dedicated user groups. Role designers can create roles in the SAP HANA built-in repository of a development system, from where they can then be transported to the production system.
This makes it possible to separate role design from role assignment to end users, see figure below.
The following table gives an overview of the different privilege types. Target users Description End users Access to database content, e. It can also record access to sensitive data: write and read access to objects such as tables or views, as well as the execution of procedures.
SAP Security Configuration and Deployment
Both successful and unsuccessful actions can be recorded. It also provides a secure and tamper-proof storage location.
Note that configuration settings allow you to customize your system for your implementation scenario and system environment. Some of these settings are specifically important for the security of your system, and misconfiguration could leave your system vulnerable.
It is strongly recommended to verify systems for critical configurations and to always apply the latest security patches.
Encryption of client-server communication external channels can be enforced. However, the delivery of valueproducing systems has not been easy to achieve until we finally reached this knowledge management era. Now, we fast forward to today and can see that our vision goes beyond enabling business and sees IT as an almost equal partner in effecting business efficiency. These tools provide nearly instant information about the business problems they are working with.
But with the incredible efficiency SAP can provide comes a heavy burden on infrastructure complexity.
The systems requirements for SAP are significant in terms of IT architecture, development architecture, and security infrastructure. In fact, I would maintain that embedded into every aspect of the infrastructure is now a component of security specification that must be addressed.
Unfortunately, we still see many occasions where security is the appendix of the infrastructure plan. Security is often relegated to an after-thought that only gets emergency attention when an event occurs, a question of senior management is asked, or an audit drives a specific change.
It is the rare organization that has an embedded active security-thinking culture. Security infrastructure as an embedded part of the IT culture has yet to be recognized in the mainstream. And, now, SAP NetWeaver technology has evolved to include the major SAP components necessary to implement the full life cycle of security infrastructure. While IT enables business, security enables IT, and hence security is the underlying foundation to the business enablement.
With IT organizations yet to adapt to this mind-set, the challenges are even greater. Most IT organizations are classically stove-piped and hence the skills and training associated with these stovepipes are yet to evolve. Even worse, often an organization creates project teams that may tax the stove-piped security group with a part-time representative. I challenge management to bring these facets out in the open and create enabling organizations that put the security mind-set at the forefront.
SAP Security Configuration and Deployment
SAP has laid a foundation for this. SAP describes these as usage types, which determine the intended purpose of a system or sub-system. They are available by installing and configuring collections of software components. Figure 1.
This is accomplished through deployment of the integrated IT scenarios in a way that does not disrupt existing business operations. One views the usage framework vertically and determines the options to focus on critical business issues rather then specific business problems addressed by tactical scenarios. The aim of IT scenarios is to help customers, partners, and independent software vendors ISVs install and operate SAP NetWeaver, to run business applications custom-built and packaged applications , or to implement a defined IT goal like migrating to the services architecture.
Focusing on the flow of activities rather than on the nature of the involved components, IT scenarios are collections aimed at resolving specific business area challenges. By providing installation and basic configuration support for SAP NetWeaver systems, usage types provide the groundwork to run IT and business scenarios. In addition, configuration will be simplified by offering configuration templates for usage types and IT scenarios.
Each scenario or practice has a security implication. Each instantiation comes with its own unique set of questions, technologies, and considerations for implementation and architecture. As an organization implements a new component or scenario, the development cycle used to design, create, test, and deploy must adopt their design and testing methodology to ensure compliance.
There are a host of tools and processes available for this. This book, then, is to be a model for highlighting the SAP technologies available for implementing and institutionalizing security into the technology plans and implementations throughout the industry.
SAP Security Configuration and Deployment: The IT Administrator's Guide to Best Practices
Security can no longer be the afterthought for implementations. I contend that as an afterthought, it is more costly to implement and retrofit. But as a key component in the early planning of any implementation security, security considerations are an equal partner in the design.
A simple example of this shift is the following. Superior Marbles has successfully deployed SAP and is using the system to manage its assets.
A key aspect to many assets in a firm is location. And, with assets that are used by the average worker, tracking can be quite difficult.
Every two or three years an asset such as a PC or cell phone may need to be replaced or upgraded. Also, work or home office locations for these devices must be tracked. Finally, when an employee leaves of the assets must be collected and accounted for. So, in this example, let us consider the Superior Marbles sales team. The sales force often has a personal data assistant PDA , a laptop, a printer, and so on.
So in a firm with 50 sales people we are quickly dealing with at least line items to track.
But, with a useful kiosk through the Web, enabling the sales team to self manage the assets would prove extremely useful. So, an extension from the SAP database to an applet available to end-users the sales people over the Web will be our project. Many technologies are in play for this project. How will they securely log in? What will be presented to them and how will the data exchange occur back into SAP?
But where are the security considerations determined and discussed with the user?
Even worse, there are times when audit concerns are missed until an actual audit, which can reveal additional shortcomings. So, the corrected approach is to address with the users the complete life cycle for the application and secure the application and its data. Having proper requirements specifications for the development team removes the ambiguity.The Security Audit Log is designed for security and audit administrators who wish to have detailed information on what occurs in the SAP System.
Most IT organizations are classically stove-piped and hence the skills and training associated with these stovepipes are yet to evolve. For example, the technical patch requirements are more complicated and if patching one or the other service is necessary, with separate installations the other stays up while one is being patched.
The purpose of the UME is to provide central user administration for all applications developed using Java. So, the corrected approach is to address with the users the complete life cycle for the application and secure the application and its data.
The second option enables installed base customers to reduce hardware and operational costs and optimize time-to-value, in addition to gaining additional flexibility in hardware vendor selection. Free Shipping No minimum order.
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