DNSpionage hacks: Time for DNSSEC? February 19, 2019 https://www.scmagazineuk.com/dnspionage-hacks-time-dnssec/article/1526123
Sea Turtle keeps on swimming, finds new victims, DNS hijacking techniques July 9, 2019 https://blog.talosintelligence.com/2019/07/sea-turtle-keeps-on-swimming.html