what is cloud computing 
cloud computing is the on demand delivery of computing services such as servers storage databases networking software and analytics rather than keeping files on a proprietary hard drive or local storage device cloud based storage makes it possible to save remotely cloud computing is a popular option for people and businesses allowing for cost savings increased productivity speed and efficiency performance and security storing datacloud computing means data is stored remotely in the cloud or a virtual space companies that provide cloud services enable users to keep files and applications on remote servers and access all data via the internet an individual s or company s data work and applications are available from any device that connects to the internet cloud computing can be both public and private public cloud services provide their services over the internet for a fee private cloud services only provide services to a certain number of people these services are a system of networks that supply hosted services there is also a hybrid option which combines public and private services cloud servicesamazon web services aws uses cloud computing to power real time fraud detection and prevention of erroneous financial transactions of individuals and businesses platformscloud computing is a system primarily comprised of three services software as a service saas infrastructure as a service iaas and platform as a service paas pros and consthanks to cloud computing users can check their email on any computer and store files using services such as dropbox and google drive cloud computing lets users back up their music files and photos companies were once required to purchase construct and maintain costly information management technology and infrastructure companies can swap costly server centers and it departments for fast internet connections where employees interact with the cloud online to complete their tasks the cloud structure saves storage space on desktops or laptops it also lets users upgrade software via the web rather than through more traditional tangible methods involving discs or flash drives however security is a concern especially for medical records and financial information while regulations force cloud computing services to shore up their security and compliance measures it remains an ongoing issue encryption is commonly used to protect vital information servers maintained by cloud computing companies may fall victim to natural disasters internal bugs and power outages as with any technology with many individuals accessing and manipulating information through a single portal mistakes can transfer across an entire system service providersamazon web services is 100 public and includes a pay as you go outsourced model once on the platform users can sign up for apps and additional services microsoft azure allows clients to keep some data at their sites meanwhile alibaba cloud is a subsidiary of the alibaba group 