Through passive DNS, we identified three IPs used by the attackers in this operation : 46.45.137.74 was used in 2016 and 2017 (timeline is not clear, Istanbul DC, AS197328) 139.60.163.29 was used between October 2017 and August 2018 (HostKey, AS395839) 51.15.94.245 was used between September 2018 and February 2019 (Scaleway, AS12876) Reduce your risk with Endur IG, where early failure is not an option. Reducing failure rates reduces your warranty service costs as well. Assuming a $500 service call to reglaze a failed IG unit under warranty, and with an 8% seal failure rate, the window manufacturer would need to add $40 to the cost of the window to cover warranty costs.