Keeping your data and applications on the cloud instead of within the company exposes it to public networks, and makes your enterprise vulnerable to serious security threats from outside. Avoid accessing sensitive company data through unprotected networks and public Wi-Fi such as in airports, because doing so could result in your corporate information being ended up in the hands of exploiters. Putting in place a proper user-access control system for all your data and applications can significantly contribute to enhancing security by making them available and accessible only to those who need that data and information. It is very convenient for the hackers to gain access to the entire system if all of the confidential information is assembled in one place.
Educating your employees about the security risks and appropriate measures to protect sensitive company information is as important as the previously mentioned steps, because until and unless the employees are aware of the risks and security practices, no such measures would prove to be helpful.
Committing to a cloud computing provider can result in significant cost savings and more streamlined, flexible operations. Cloud computing opens up a new world of opportunities for businesses, but mixed in with these opportunities are numerous security challenges that need to be considered and addressed prior to committing to a cloud computing strategy. Implementing a cloud computing strategy means placing critical data in the hands of a third party, so ensuring the data remains secure both at rest (data residing on storage media) as well as when in transit is of paramount importance.
While there are real benefits to using cloud computing, including some key security advantages, there are just as many if not more security challenges that prevent customers from committing to a cloud computing strategy. Based in Nova Scotia, Canada, Vangie Beal is a freelance writer, covering business and Internet technology for more than a decade. Stay up to date on the latest developments in Internet terminology with a free weekly newsletter from Webopedia.
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The Open System Interconnection (OSI) model defines a networking framework to implement protocols in seven layers. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. This unique attribute, however, poses many new security challenges which have not been well understood.
To ensure the correctness of users’ data in the cloud, we propose an effective and flexible distributed scheme with two salient features, opposing to its predecessors. Unlike most prior works, the new scheme further supports secure and efficient dynamic operations on data blocks, including: data update, delete and append.
Cloud computing, as we all know is a method which helps us deliver documents, data, applications, and emails via the usage of the hosted internet servers.

Cloud computing is often confusing and might take some time for you to understand the features and advantages. Those using Cloud computing are well verse with the fact that the usage helps them reduce energy consumption by more than 10%. By making use of cloud computing properly, you can even help reduce noise pollution, as you can work from home which saves you the fuel and even the pollution. As long as you use Cloud computing, you don’t need to be worried about backing up all you data into hard drives and carting them along for work etc. Backing up your data might be the most useful tool you may find on the cloud computing service because even when you are editing or creating a document and the lights go boom…You will easily be able to recover the file within just seconds of being logged onto your account. Don’t worry in case you think that anybody could see or go through your files, because the solid security systems allow only you to view and edit the data.
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While cloud computing has its obvious benefits, there are serious security risks associated as well.
Make sure you always use a protocol-encrypted channel for accessing and sending critical information in order to avoid any trouble in future.
Employees should only be given access to the data that they need, while everything else should remain inaccessible and confidential. Hackers first gain access to one account – typically the one with low levels of security – and then use it to access other high-security accounts. Training them in adopting and implementing the necessary security practices such as data encryption techniques, usage of secure networks, and establishing some basic rules of security goes a long way in ensuring that your company data remains in safe hands. Data needs to be encrypted at all times, with clearly defined roles when it comes to who will be managing the encryption keys. Ensuring that your data is securely protected both at rest and in transit, restricting and monitoring access to that data via user authentication and access logging, and adequately planning for the very real possibilities of compromised or inaccessible data due to data breaches or natural disasters are all key security challenges that a company must address when considering cloud computing providers. You now have a better understanding of the security challenges involved in cloud computing! In contrast to traditional solutions, where the IT services are under proper physical, logical and personnel controls, cloud computing moves the application software and databases to the large data centers, where the management of the data and services may not be fully trustworthy.
In this article, we focus on cloud data storage security, which has always been an important aspect of quality of service. Extensive security and performance analysis shows that the proposed scheme is highly efficient and resilient against Byzantine failure, malicious data modification attack, and even server colluding attacks. It helps us access and edit information on various platforms like android, PC laptop, tablets etc.

Well, Cloud computing if utilized properly can save you money on simple tasks which can at times be quite expensive. Most cloud service providers are investing in environmental friendly data centers which give them a greener business alternative to the traditional IT approach.
Offices can be easily made smaller as half the workers can work from home itself and therefore a lot more space can be saved in the process.
However, taking a few precautions can ensure that your confidential data remains safe from prying eyes and unauthorized access. Apart from that, never send passwords in text form through means such as SMS or e-mail; instead always encrypt them in one way or the other before sending.
Another important aspect to be considered here is that you must never allow employees to take data or information outside the security boundaries of your enterprise’s system. The Twitter incident that took place in 2009 – in which the personal Gmail account of a Twitter employee was hacked, giving access to financial records and several contracts of Twitter with other companies to the hacker, who later posted them to different blogs and publications – is a reminder for companies to take precautionary measures to maximize their security.
In most cases, the only way to truly ensure confidentiality of encrypted data that resides on a cloud provider's storage servers is for the client to own and manage the data encryption keys. Using Cloud computing, one can work from home using the VoIP and other Cloud access to their servers. No longer do you have to but huge hard disks and carry them everywhere in order to access all your files.
So you no longer need to be worried about anyone stealing your data or spying on your work. These precautions are briefly explained below to help you protect your corporate data against any misuse.
If anything related to the company is to be accessed, make sure it happens within the security network to avoid leakage of information to outsiders.
Therefore, it is necessary that you do not keep all the data at one place; instead classify it on the basis of security level, and employ higher levels of security for the data that is most confidential and at risk of being exploited.
All you need to do is upload your files or you can even set the upload to be scheduled after every few hours that way you wouldn’t have to do the uploading manually. The security systems use Secure Socket layer https connections which ensure that no third party can view you stored data.

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