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author = {Nina Lissen and Christian Brünger and Stephan Damhorst},  title = {Risiken beim Cloud-Computing},  booktitle = {{IT}-Services in der Cloud und {ISAE} 3402}  }" data-bib-key="Lissen_2014" contenteditable="false">Lissen 2014

• dependent on the provider
  
  • provider could go broke
    
  • service could be bad
    
  • always affected when provider has to shut down due to e.g. an update 
    
  • long-term access to important data is reliant on the provider
    
• safety and data protection 
  
  • is the cloud save?
    
  • who has access?
    
  • where are the interfaces
    
  • risk of loosing corporate secrets 
    
  • abuse of personal data
    
• risk of renouncing own IT competence
  
• reliability of the cloud
  
  • risk of loosing important corporate data
    
• a working internet connection is crutial
  
  • reliability of the connection
    
  • not enough bandwidth at own or servers' location
    
• potential need to adapt to the providers software if own software is not offered
  
• data protection regulations can be violated
  
  • problematic when saving personal data in a location abroad (when it's a German company) 
    
  • risk of fees due to compliance violations
    

• scalable
  
• dynamic load distribution - on demand
  
  • not all IT resources have to be bought, only those that are needed
    
  • 10% -50% of the IT hardware is only used in load peaks
    
  • quick renting of additional capacity i needed (e.g. due to business growth)
    
•  lower costs
  
  • no investment in own assets
    
  • providers have IT for many companies -> due to amount of resources individual services are cheaper than buying the IT on their own
    
• no investment risks (for small companies)
  
  • business models can be testes and quickly enter and exit the market - short time to market
    
  • IT resources can just be cancelled and do not have to be sold again
    
• easy: management of the servers is outsourced
  
  • no need of in-house experts (expensive)
    
  • not dependand on own IT employees
    
• Green IT
  
  • servers are only utilized when needed -> the power consumption is lower 
    
• no long-term capital tie-up
  
  • needed service and hardware are rented as needed
    
• risk transfer to provider through defining a SLA (Service Level Agreement)
  
• technology is up to date
  
  • minimizing the risk of default
    
  • faster and more save
    
• using regional locations that are cheaper than storing the IT in the location of the own company