/GettyImages-1226579907-fbbae806354b4155a75a6dcd23f31d15.jpg "Why the Internet Is Vulnerable to Outages")
The internet is designed to be reliable, but it’s not always available when you need it.
A wave of brief internet outages hit the websites and apps of dozens of financial institutions, airlines, and other companies during the week of June 14. Experts say it highlights the web’s vulnerability to shutdowns, and its growing reliance on a chain of servers called Content Distribution Networks (CDNs), which are responsible for the outages.
CDNs have become increasingly popular in recent years, Olaf Kolkman, a principal at the Internet Society, a nonprofit that advocates for an open internet, said in an email interview.
