Showing posts with label systems. Show all posts
Showing posts with label systems. Show all posts

Sunday, October 23, 2016

Hacker Tricks from Insiders A Threat to ERP Systems

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Today, with the extensive use of ERP systems world wide, there has also been a flanking growth in security related issues. And although ERP security plans aim at keeping outside intruders from gaining entry to a system’s inner network, the problem gets even bigger when hackers get illegal access to the information on ERP transactions, and when they spread Malware such as worms, spyware and viruses.

One of the main ERP business issues in our internet age is the increase in the number of these so called hackers, with some of them even hosting their own virus-filled websites. While some of them do this for financial gains, others just do it for fun. Largely, security in ERP requires a fresh approach; one that not just focuses on data but also on the security of the transactions involved.

While threats from outsider intrusions and attacks continue to go up, the chances for insider systems misuse has also grown by a long way. The fact is that, at the level of transaction, security flaws can be used more often than not by people inside the system. Although many of the available ERP systems present data encryption features which restrict people from exporting any files, it doesn’t satisfy the need for security from fraudulent insiders who take advantage of the authorization they have.

Though ERP systems have used audit logs for keeping an eye on the transactions made by an insider, or any updates in the system; these don’t give much information on whether the transaction was actually necessary or appropriate. And even though suspicious transactions can be sorted out by internal auditors; many organizations don’t install the audit log feature for their ERP system, as some believe that it may affect the performance of the employees.

What’s more, ERP applications continue to be susceptible to security attacks from outsiders as well, as anyone can now break feeble passwords with plain dictionary attacks. On the other hand, some of the most destructive hacker tricks arrive with the use of social engineering, which is about fooling people into giving out their identification details. Meanwhile, many companies have cut down on security related measures that focus on insiders, as they feel that it may act like an added overhead for their employees, and as it appears to affect their efficiency in carrying out their work.

Overall, the threat from insiders seems like the one that causes most of the security issues in organizations these days. And it does look like the future of ERP security would be all about identifying improper use of the system by users inside the organization. After recognizing the significant shortage in ERP security for protecting from insider threats, leading businesses are now using methods that continuously monitor transactions made by authorized users. These work by identifying suspicious transactions and checking whether it is linked to any fraudulent activity. So, if any employee appears to be doing some hacking-like activity, he or she can be instantly contacted though voip and questioned about the reason for such a transaction
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Monday, July 4, 2016

Embeeded Systems Notes TY BSc IT by MICHAEL BARR OREILLY

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Programming Embedded Systems in C and C++
This book is recommended by most of the teachers in most of the colleges. It contains almost all necessary programs for practice.

This book introduces embedded systems to C and C++ programmers. Topics include testing memory devices, writing and erasing Flash memory, verifying nonvolatile memory contents, controlling on-chip peripherals, device driver design and implementation, optimizing embedded code for size and speed, and making the most of C++ without a performance penalty.

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Thursday, July 3, 2014

Application Of Systems Modeling Software In Solar Energy Harnessing

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By Alyce Powell


Systems modeling software is an application that has the ability to resize a region for a particular task to be made on it. For such an application to function efficiently and effectively, some of the most important factors that it should focus and expound accordingly are the budgetary allocated for energy and the very factors that may affect the functionality of this kind of system that are essential. It finds use both in building and energy generation.

To size the structure of the solar panel required, a model has to be used. Before doing the model part, a lot of data is collected regarding the region of interest. The companies awarded this tenders have been found to dig deep in searching for information up to referring to information kept by the NASA body.

Obviously the amount of this radiations have to differ from place to place just as shown when one moves from the highland region towards a low lying area such as a lake. It is expected that the low lying location which happens to be the lake to have the highest levels of solar energies. This should show that the solar panel structure should not be placed somewhere far from the modeled region.

Designer models for solar tapping have a lot of factors to look into. The duration of service rendered by the application for example need a close scrutiny. Other variables arise from the very batteries to be used. The duration of charging state to that of discharge state in unquestionable and has to be focused on. Temperature though environmental has an effect as well.

Real structures need maintenance and repair because they wear out with time. The designed structures must always depict the same. A used battery cannot at any given time perform as efficiently as a new one. This puts more work on the designers to find solutions to counter this unavoidable short coming. This issue has to be addressed during the design stage otherwise the same situation will be transferred to the main structure.

A structure must be molded to function using the amount of solar energy it was programmed to work when installing it in that specific locality. It should be re-sized such that it can function even in the extreme cases where the sun might be covered by the clouds. This assures the consumers of maximum performance independent of the prevailing climatic conditions.

A solar harnessing structure that reproduces the same power even in adverse weather conditions is lucrative. The battery should discharge during this period but it should be checked so that it does not discharge for long until it destroys the battery lest one incurs the expensive cost of getting another.

It is therefore important to understand and appreciate the big changes brought about by the systems modeling software in all its numerous areas of application. Designing and modeling using this amazing software should be encouraged.




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