Last month I presented Dissecting Significant Outages from 2014 to several hundred networking experts at UKNOF30 in London. The talk highlighted ways to find insights from active monitoring in order to diagnose and mitigate network outages and threats. We covered the Craigslist DNS Hijack, Indosat BGP Hijack/Leak, Country Financial BGP…
In the late evening of January 26th, Facebook had its largest outage in more than four years. For approximately an hour both Facebook and Instagram (owned by Facebook) were completely down, along with numerous other affected sites such as Tinder and HipChat.
Craigslist reported a DNS outage on Sunday, November 23rd starting at 5pm PST when, according to the craigslist CEO, “DNS records maintained at one of our domain registrars were compromised, diverting users to various non-craigslist sites.” By 7:18am Monday morning, craigslist confirmed that the DNS records had been corrected by…
One scenario we captured and demonstrated during Networking Field Day 8 involved a BGP change at Country Financial. Follow along with this interactive share link if you would like to see the data for yourself. Around 17:25 UTC our cloud agents started alerting to connection issues with Country Financial’s website.…
By now a lot of you have probably read about the Time Warner Cable (TWC) outage on August 27th. Yesterday morning I was greeted with a slew of alarms, names that wouldn’t resolve, websites that wouldn’t load and home office employees without any Internet access. It hadn’t hit the news…
