Several significant distributed denial-of-service (“DDoS”) attacks have taken place in the last few weeks, including a major event involving a domain name service provider (Dyn), which caused outages and slowness for many popular sites like Amazon, Netflix, Reddit, SoundCloud, Spotify, and Twitter. This significant attack came on the heels of two major DDoS attacks against KrebsonSecurity and France-based hosting provider, OVH, in late September—each of which set records as the largest of these attacks in history. Most recently, nearly 900,000 Deutsche Telekom routers in Germany were attacked, causing significant internet and television outages across the country. While DDoS attacks have been around for some time, what stands out in these cases is the attackers’ exploitation of security weaknesses in tens of thousands of Internet-of-Things (“IoT”) devices to launch the attacks. Unfortunately, these types of widespread outages may be more common in the future if these weaknesses are not addressed.