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Offensive Engineering is a newsletter about cybersecurity, big tech engineering, and the global threat landscape, published by InfoSec Relations, a publication dedicated to covering the forces reshaping digital security and global affairs. Every week we deliver in-depth analysis, expert commentary, and primary-source reporting written for security professionals, threat analysts, and policy advisors who need more than surface-level coverage.

On April 17, 2026, Palo Alto Networks Unit 42 confirmed that Iran-aligned threat groups had maintained continuous attack operations throughout a 47-day domestic internet blackout by routing traffic through Starlink and other satellite providers, according to their threat brief published the same day. The groups did not pause. But they adapted infrastructure and kept probing.

Jaewoong Lee,1 Jang Ho Cho,2 Seungok Lee,1 Hoon Seok Kim,3 Seung Jung Han,4 Youjin Jung,4 Jae Ho Byun,2 Myungshin Kim3 1Department of Laboratory Medicine, Incheon St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea; 2Department of Internal Medicine, Incheon St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea; 3Department of Laboratory Medicine, Seoul St. Mary’s Hospital, College of Medicine, The...