This is The Internet Report, where we uncover what’s working and what’s breaking on the Internet—and why. On today’s episode, we take a look at the recent Azure AD disruption that significantly impacted access to Microsoft cloud services and apps (as well as third-party apps) for nearly three hours. We…
On April 1, 2020, at approximately 7:30 PM UTC, JSC Rostelecom perpetrated a large-scale BGP hijack involving more than 8,000 prefixes, including those belonging to Google, Facebook, Akamai, Cloudflare and Amazon. The hijacking occurred when Rostelecom began announcing more specific routes for these and other services, causing traffic to be…
The Internet is a complex web of thousands of independently-managed networks organized into Autonomous Systems (AS). Border Gateway Protocol (BGP) is the protocol that all these Autonomous Systems use to share routing information with each other. Understanding BGP routing is the key to understanding how your network connects to the…
How does one steal crypto-coins? By hacking DNS and BGP – the two cornerstone protocols governing the Internet. With any cryptographic system, one way to compromise it is to be a man in the middle (MITM) when a transaction is taking place. Both ends of the transaction believe they’re talking…
In past blogs, we’ve explored how you can alert for and diagnose BGP route leaks and hijacks. Route leaks and hijacks—routing events where illegitimate prefixes are wrongly propagated through the Internet—are notoriously difficult to troubleshoot and have the potential to bring down entire swaths of the Internet.