Akamai Technologies, Inc. is a content delivery network or CDN and cloud services provider headquartered in Cambridge, Massachusetts, in the United States. Akamai's content delivery network is one of the world's largest distributed computing platforms, responsible for serving between 15 and 30 percent of all web traffic. The company operates a network of servers around the world and rents capacity on these servers to customers who want their websites to work faster by distributing content from locations close to the user. Over the years their customers have included Apple, Facebook, Bing, Twitter and healthcare.gov. When a user navigates to the URL of an Akamai customer, their browser is redirected to one of Akamai's copies of this website, almost entirely invisible to the vast majority of its users.
Zscaler is a global cloud-based information security company that provides Internet security, web security, next generation firewalls, sandboxing, SSL inspection, antivirus, vulnerability management and granular control of user activity in cloud computing, mobile and Internet of things - centric environments. As of 2015, Zscaler provides automated threat forensics and dynamic malware protection against advanced cyber threats, such as advanced persistent threats and spear phishing for more than 6,000 corporate, government and military organizations with more than 15 million paying users.