The distributed denial of service attacks against dynamic domain name service provider Dyn this morning have now resurged. The attacks have caused outages at services across the Internet.

But this second wave of attacks appears to be affecting even more providers. According to Dale Drew, the chief security officer at Level 3 Communications, the attack is at least in part being mounted from a “botnet” of Internet-of-Things (IoT) devices.

Source: Double-dip Internet-of-Things botnet attack felt across the Internet | ARS Technica