Authors: Narotam Kumar, Prof Dr Bhuvana J
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Cloud computing and social networks are changing the way healthcare provides by providing real-time data sharing in a cost-effective way. However, the issue of data security is one of the key barriers to the widespread use of social networking services (MHSN), as health information is considered extremely sensitive. In this paper, we introduce a secure data sharing and MHSN profile matching scheme on a cloud computer. Patients can extract their encrypted health records from cloud storage via identity-based broadcast encryption (IBBE), and share them with a team of physicians in a safe and effective manner. Then we introduce a conditional data-based encryption component, which allows physicians who satisfy the pre-defined conditions in ciphertext to authorize cloud platform to convert ciphertext into a new ciphertext-based encryption system. without disclosing any sensitive information. The paper will also provide insight into data security policies that may authorize certain administrators to have read-only capabilities for all device parameters and read / write specific set of commands. Each administrator may have a different access profile introduction.
Cloud computing is the latest technology that plays important roles in public and private organization. The main concern of the health care provider is to reduce errors during treatment of patients. Quick access to Cloud allows a member to view patient information and without having to spend time processing its information as in Fig 1. to a third party without the patient's content. Health care systems are primarily divided into two categories of personal and community services and teaching and research activities. Personal health care such as hospital services, patient housing and various departments. Public health care services include medication, diet and safety measures to maintain a friendly environment. Similarly, treatment of infectious diseases is done through educational and research institutions. MOBILE health care is an innovative combination of mobile devices and communication technologies, as it can provide much-needed health information, improvements in general care, potential prevention of infectious diseases, health interventions, etc. It is becoming increasingly cold to use emerging computer technologies. in the portable health sector. Using a portable health care system, an electronic health record (EHR) can be transmitted over the network to a cloud service provider (CSP) for remote storage. In addition, healthcare providers can read it from the end. However, it does not guarantee complete data security and privacy, as many organizations are not qualified enough to add all the layers of security to sensitive data. This paper is a study of data protection strategies used to protect and secure data from clouds around the world. Discusses potential threats to data in the cloud and its solutions adopted by various service providers for data protection. The rest of the paper is arranged as follows. Phase 2 is a review of the literature that provides insight into the work that is already being done in this area. Section 3 discusses the types of threats in the data in the cloud. Section 4 examines some of the data security methods used worldwide. The final section concludes with a summary of this study.
Patients have better knowledge of their health care; they are well educated about their illnesses and are increasingly accessing the latest technology that provides greater information about health care.
Patients want the best care at the lowest cost and are willing to investigate their own options. As a result, access to patient records is increasing and organizations are required to provide patient record information.
A. Fig .1. Health Care Architecture
It is difficult for patients to understand why they do not have access to their secure global health information such as how a banking system allows customers to withdraw money and access other services anywhere in the world. But health care providers need to be more efficient in terms of cost-effective procedures compared to others, so cloud computing would be a good platform for such a situation. A large number of connected systems, in order to cost and increase the use of automated resources to reduce costs and data usage. In this way hospitals can only provide information if it is needed by a single user without the knowledge of a third party.
B. Cloud Computing Features Especially Like
With the important policy of today's LANs, businesses cannot afford to have their data networks compromised by unauthorized users. To date, the primary protection device or network access implementation has been a firewall or router-based access control list. Providing a link between unreliable networks (such as the Internet) and internal, trusted networks is important but not limited to. Security experts today warn that while the external threats to the networks are real, the biggest threats usually come from within the company.
Internal user authentication has long been established as a key defense tool for file servers, network applications, and large frames. There are also verification requirements for router tables (RIP, OSPF, BGP4), change holes, router and change configuration files, and web servers, to name just a few.
Traditional authentication - the user ID and password sent in clear text - are often inadequate for most security policies. People often use simple passwords or write them down because of a potential perpetrator. Passwords can be stolen, sniffed, guessed, attacked using free dictionary tools or forcibly attacked, corrupted by unprotected password files, and obtained through social engineering. Some passwords do not expire. Some expire every 60 to 90 days without allowing the user to reuse the old password. Some are short, simple alphabet letters only. Some are a combination of alphabet letters, numbers, and special characters. Some password files are stored in clear text; some were crucified. Many are conveyed in plain text; others as a cipher text.
Authorization is the granting of rights related to an authorized user, device, or host. The standard authorization method is provided by standard operating systems such as UNIX. The main user is the omnipotent system owner or controller. That person has the authority to grant rights to other users. These rights can be "read," "write," "add," "lock," "use," and "save" - ??individually or in combination. Very unusual though similar to the rights given to network administrators - those in charge of network infrastructure.
The network is made up of many different devices - from hosting machines to application, file, web, DNS, and communication servers; from remote access servers to hubs and edge-shift work group; and from WAN-focused routers to LAN- or ATM-based key switches and routers.
There is a growing need to grant rights to these programs according to their need.
To allow this, network devices must be able to support a given management framework. Rights that may be granted may be limited to devices, services, and repair parameters.
Device access protection is similar to a traditional access control list or security program rules. The security controller creates certain rules that limit access to network devices based on device features requesting access, for example, source and / or destination IP address or MAC source address. This traditional concept of access control retains all authorization on the device itself. The proposed administrative structure here includes device authentication and authorization rules for external directory server. Access is granted as long as the policy allows. For example, an IP source (host or network) is trying to access an IP (host or network) location. The network device detects that the existing policy for this application - has the same rule. It asks the bibliography to determine what to do with it. The correct policy is restored to the device and used properly. In addition to this ambiguous application, policy may also be associated with explicit information such as the time of day or month.
IV. POLICY MANAGEMENT
The capabilities of this provided administrative structure are enhanced when validation and authorization are integrated with a central directory or policy server. Ideally, when a administrator verifies a network, you are given the ability to access all pre-authorized devices, services, and configuration parameters. Each time the administrator tries to access a network device, that device will ask the policy server. The policy server will send the approval to the device that provides the requested service authorization.
Policy-based network management uses a directory, centralized repository of policies. This is done for a very good reason. Instead of setting up each device with specific permissions, devices interact with the central directory for this information. This makes management easier - instead of changing authentication and authentication information on multiple or larger devices, it is done in a central location.
Implementation-based management implementation, that term reference and policy servers, is provided by a number of vendors including Alcatel, Cisco, Lucent, and Nortel. They all share the same design. It is all based on the concept of a policy console, a policy server or repository, a policy decision area (PDP), and a policy consolidation point (PEP).
These policy management structures are a two-phase or three-phase design. The two-phase approach integrates PDP and PEP into the same network device. The three-phase approach consists of PDP and PEP working on different devices. The rules used to communicate policies will depend on new products. For example, with the new gear, a separate PDP communicates with PEP via the Common Open Policy Service (COPS) protocol. In an integrated PDP / PEP, policy is transferred to a policy repository through LDAP. In the old communications gear, policy communication may be SNMP or CLI.
???????A. System Model
Our proposed data-based secure sharing of data and MHSN profile model on cloud computing is shown in Fig. 1, which includes five organizations: central authority, CSP, patient, physician and specialist.
??????????????B. Flexible Authorization
In order to withstand the keywords guessing attack and strengthen the privacy protection, flexible authorization is considered in our scheme. We describe three types of authorization as follows:
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