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443 Uppsatser om Underteckna electronic - Sida 13 av 30
Produktivitet : en motpol till säkerhet
Huvudfrågan i arbetet är hur produktivitet och säkerhet kombineras i de säkerhetslösningar som existerar idag samt huruvida högre säkerhet leder till ökad komplexitet. Det tillvägagångssätt som använts består av en lastmätning av Secure Socket Layer (SSL), och Pretty Good Privacy (PGP), samt en teoretisk jämförelse av säkerhetslösningarna PGP, SSL och Secure Electronic Transaction (SET). Detta innebär att PGP som har jämförelsevis hög säkerhet när det kommer till kryptering även är den säkerhetslösning är mest resurskrävande. SSL däremot är mindre säkert med betydligt lägre resursanvändning. Generellt kan man med facit i hand säga att den lösning som är säkrast även är den mest komplexa.
Utveckling av undervisningsmaterial kring fordonselektroniska styrsystem : för fordonselever
Denna rapport handlar om utveckling av ett undervisningsmaterial för elever på fordonsprogrammet inom området elektroniska styrsystem. Rapporten beskriver processen från idé fram till färdigt undervisningsmaterial. Detta har tagits fram för att ge eleverna en bredare, mer generell kunskap inom detta ämnesområde än vad som är möjligt att få genom enbart teoretisk undervisning kring utvalda märkesspecifika system. Undervisningsmaterialet bygger på teoretiska avsnitt som varvas med praktiska övningar kring en mikrokontroller med tillhörande sensorer och aktuatorer. Genom att skapa korta styrprogram som hanterar dessa sensorer kan olika funktioner skapas med hjälp av mikrokontrollen. Detta gör att många av de delfunktioner som används inom fordonselektroniska styrsystem kan simuleras..
EAS-tagg med fuktsensor : Design och utvärdering av EAS-alarmteknologi för fuktdetektering
Electronic article surveillance (EAS) is widely used in shops and libraries together with an RF-tag attached to the goods or books in order to prevent shoplifting. By implementing the addition of a moisture sensor to the RF-tag, other functions become possible, including the ability to use as an alarm with regards to frozen goods, which have been shipped but which have melted and have, subsequently, refrozen. In- relation to care for the elderly, one time-consuming step involves checking whether there is the necessity for a change of diaper and this can, instead, be based on an RF-tag with an EAS-system alarm. A preliminary investigation was made using the moisture sensors, which involved how the resistance changes when liquid and/or heat is applied. A simulation of the LCCR circuit (RF-tag with the sensor) was conducted in order to determine how the resonance frequency changes for different resistances levels.
Marknadsföring av folkbibliotekens tjänster en studie av ett hemsidesprojekt i Östergötland
In the digital era, new services have entered the public libraries, like seeking information on the Internet, in databases, newspapers online etc. But many citizens do not know that these services exist. The libraries have a democratic responsibility to inform about them. In the county of Östergötland a project started in 2001 where libraries in five small municipalities built websites in which they present all their electronic services available. One of the aims was with the help of different kinds of marketing to reach special groups of people, like adult students, small companies and politicians.
Effekter av EDI i interorganisatoriska relationer
EDI står för elektroniskt utbyte av data från dator till dator och sker mellan kända affärspartners. När EDI införs i en relation mellan två organisationer anses relationen bli mer komplex än tidigare. Syftet med detta arbete är därför att undersöka hur EDI påverkar interorganisatoriska relationer.Undersökningen utförs genom att studera affärsrelationerna mellan en offentlig förvaltning och tre av dess leverantörer. I dessa relationer studeras speciellt hur förhandlingsstyrkan, flexibiliteten och tillförlitligheten har påverkats av att EDI har börjat användas för den offentliga förvaltningens inköpsprocess.De slutsatser som dras är att de undersökta faktorerna förändras i takt med att EDI blir alltmer integrerat i affärsrelationerna. Initialt byggs vissa omställningskostnader upp, som ökar leverantörernas förhandlingsstyrka.
HAVECA-modellen - En metod för att fortlöpande säkra ett internt nätverk mot tredjepart
This thesis will address a problem concerning availability of information
systems at an enterprise within the financial sector and its external
suppliers, so called trusted third party. The information system resides on the
internal network of the enterprise and must be available to both employees of
the enterprise and the trusted third party simultaneously. This contradicts the
company policy which
disallows third parties access to the internal network. The HAVECA-model
introduced in this thesis provides a framework of methods, each solving a sub
problem identified in the model. The identified methods are hardening,
verification, control and assurance, together supplying a method for
continuously securing the internal network against a trusted third party.
En undersökning i datasäkerhet för hemanvändare - Är det nödvändigt att använda brandvägg?
The emphasize of this study is to evaluate security issues for home users
having a personal computer connected to the Internet. It focus on the usage of
advantages and disadvantages when using a firewall while connected to the
Internet.
The hypothesis is that it gives a better protection to install and use a
firewall compared not to do so, due to security flaws in the operating system.
The prediction was tested on a home user's personal computer. The testwork was
divided into two major tests, each of them performed with, respectively
without, a firewall. These major tests were divided into five smaller semi
tests. The first semitest without a firewall suffered from a virus or worm
attack resulting in loss of data and log files.
Bluetooth and security
Detta arbete behandlar hur Bluetooth fungerar samt säkerheten kring Bluetooth
och några allmänt tillgängliga attack verktyg.
Syftet med uppsatsen är att försöka fastställa hur säkert Bluetooth är i dagens
läge. Bluetooth har länge varit tillgängligt för att utbyta data över korta
avstånd. Därför har man valt att implementera det i kommunikationsenheter som
mobiltelefoner och laptops med mera. Det har funnits en debatt om hur säkert
Bluetooth är. För att kunna genomföra denna undersökning så har vi satt oss in
i hur Bluetooth fungerar, vilka allmänt tillgängliga attacker och
implementationer av dessa, som finns.
Undervisningsbehov vid ischemisk hjärtsjukdom - en litteraturstudie om patientens uppfattning
The aim of this study was to determine the self-perceived learning needs in patients with Coronary Heart Disease (CHD). CHD is the leading cause of death worldwide. Poor compliance is one of the causes of rehospitalisation. Patients suffering from CHD need education in order to manage their disease and prevent readmission to hospital. As hospital stays diminish the time available for patient education is limited.
Finansiella garantier - en möjlighet att säkerställa ett miljömässigt omhändertagande av uttjänta produkter
Extended Producer Responsibility (ERP) is a form of product take-back regulation that requires the producers to manage their products at the end of life. By internalising the products? entire life cycle costs into the market price the ultimate objective of such regulations is to reduce the environmental burden from the products. This Master´s thesis seeks to examine if the total life cycle cost of a product actually is borne by the producer, and if not, predict who will then take this cost. This is done by analysing the market for take-back activities in three different categories of products; electrical and electronic equipment, cars and wind power stations.
Är handdatorer säkra nog för hälso- och sjukvården?
The aim of this report is to discuss computer security in handheld computers and to find out the appropriate security level that must be implemented to be able to use handheld computers within the Swedish healthcare system. Most healthcare centers are using some kind of electronic journals for their patient´s data today, but there are still a number of clinics that are usingthe old paper-system. On a few places in Sweden the use of handheld computers at the clinics has already started, but in the United States the use of handheld computers in the medical area is already widespread and from this we can see a lot of different situations where it is useful and effective to work with handheld computers. The security demands on patient´s journals are high and regulated in both Swedish law and regulations from the National Swedish Board of Health and Welfare. The law does not have any substantial demands, but states that there should be an adequate security level based on the nature of the information and the costs.
Institutet beslag : vid brottsutredning
The purpose of this paper is to explore what objects that can be seized and how the management of a seizure should be conducted. Ability to take enforcement against an individual should be carefully weighed against the rights and freedoms that exist. Seizure is one of the various restraints that exist, and the regulation on which they appear is mainly in the Code of Judicial Procedure, Chapter 27th. To be able to apply coercive measures, it is fundamental prerequisite that a criminal investigation is initiated, but there exist some significant exceptions to this. There are also rules about who has the right to provide for the seizure, the decision can be taken by a prosecutor, an investigator, a police officer or, in special cases, the court.
Studenter och informationssökning Fem studenters upplevelser av informationssökning i samband med uppsatsarbete
The purpose of this study is to examine the experiences of five students searching for information in the context of writing a bachelor thesis. The main questions regard what strategies they use whilst searching for information, their relevance judgements and their feelings. The method used is the qualitative interview. The students were doing their third term in psychology. All the students were interviewed twice while working on the thesis.
XML som informationsbärare för EDI
Information handling has been a key issue for different companies for a long time. Electronic Data Interchange (EDI) is used to transfer different business documents from one company to another. This is done in such way that the information itself is separated from how this information is stored and handled in the companies internal systems. As different companies have different systems there is a need for a standardised format for this exchange. There is a big difference between EDI-systems based on what kind of EDI-standard is used.
Trögrörlighet Bland Stora Nordiska Vadslagningsaktörer
Inertia is often described as an unavoidable state that organisations reach when they grow to a certain size. Theorists present a number of different phenomenons, which together create the foundation for inertia. This study deals with the apparent resistance that appears among the large Nordic betting companies with regards to establishment on the electronic sports (eSports) market. The analysis is based on how the old phenomenon inertia takes place in young and seemingly flexible industries. This area has received limited coverage in current theory on inertia.