In this photo illustration, the Slack logo is displayed on the screen of an Apple iPhone in front of a computer screen displaying a Slack logo on Februin Paris, France. The outage reportedly led to a 3.5 percent drop in global internet traffic, making it one of the biggest internet outages ever recorded. In an in-depth analysis sent to customers, CenturyLink said that an improperly configured flowspec was part of an unsuccessful effort to block unwanted traffic on behalf of a customer. The ISP is supposed to keep other sites up and running, but as it peers with providers and enterprises including Cloudflare, Google, the PlayStation Network, Xbox Live, Discord, Hulu and OpenTable, this led to a huge worldwide outage being felt by millions of internet users across the United States and Europe.Ĭloudflare said its outage was caused by a "third-party transit provider incident," and CenturyLink later explained there was an IP outage involving firewall and BGP (border gateway protocol, or the routing protocol for the internet) routing that impacted Content Delivery Networks (CDN). On August 30, 2020, a control plane failure at the major global internet service provider (ISP) CenturyLink/Level 3 left it out of action for five hours. Okay, so it was not quite within the last year, but it would be remiss not to include it. August 2020: CenturyLink/Level 3Ĭlose-up of logo on facade at headquarters of cyber security company Cloudflare in the South of Market (SoMA) neighborhood of San Francisco, California, June 10, 2019. The system should have automatically made more storage available, but it didn't which meant the system crashed. The issue was caused by a failure in the company's authentication tools, which manage how users log in to services run by both Google and third-party developers.Ī Google spokesperson blamed "an internal storage quota issue."Įssentially, Google's internal tools failed to allocate enough storage space for services that handle authentication. Perhaps even more bizarre is that some were left sitting in the dark and the cold as their Google Home apps and Nest services were left inoperable. It also blocked those who logged in to third-party apps using Google sign-ins. While its search engine was fine, the outage affected Gmail, Google Calendar and YouTube, meaning those at work and those just chilling out were equally as affected. On December 14, 2020, many realised how much they depend on Google services when the company suffered a worldwide outage that lasted about 45 minutes. In this photo illustration, the logos of the applications, Google Maps, Google and Gmail are displayed on the screen of a tablet on Octoin Paris, France. government website, when cloud service provider Fastly suffered an outage.įastly, which improves load times for websites and operates a server network to prevent the effects of traffic overloads, suffered an outage due to a bad software update, saying it had identified a service configuration that triggered disruptions across its servers. On June 8, some of the world's biggest news websites including CNN, the New Yotrk Times and CNN were taken down, as well as Amazon, Target, Twitch, Spotify, Pinterest, Hulu, Reddit and the U.K. it turns out all you actually need is a failure at a content delivery network. We sometimes joke that a celebrity's actions can "break the internet". Some of the affected websites displayed the message "Error 503 Service Unavailable." Leon Neal/Getty Images A wide range of major websites including eBay, Paypal, The Financial Times, Reddit, Twitch and The Guardian were taken offline due to what is believed to be an issue with the Fastly cloud hosting service. In this Photo illustration, a screen displays a holding page of the Gov.UK Government website portal on Jin London, England. Twitter reportedly struggled to cope with the traffic as millions flocked to the app in lieu of other communication options. That's exactly what happened on October 4, when a "faulty configuration change" prevented Facebook's 3.5 billion users from accessing its apps and products for nearly six hours.Īnybody using Facebook to log in to third-party apps was also blocked from these platforms. But given that Facebook owns WhatsApp and Instagram, an outage at the social network can be catastrophic for communication. Getty Imagesīeing off Facebook for a few hours, especially if you connect with your friends through Messenger, can be a bit of a pain. Last night social media services including Facebook, Instagram and WhatsApp were hit by a massive outage impacting potentially tens of millions of users. In this photo illustration the logo of US online social media and social networking service Facebook (C), the US instant messaging software Whatsapp's logo (L) and the US social network Instagram's logo (C) are displayed on a smartphone screen on Octoin Glastonbury, England.
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