Ola Bini and Sofi Celi - No evidence of communication: Off-The-Record Protocol version 4
▶Ola Bini and Sofi Celi - No evidence of communication: Off-The-Record Protocol version 4 — a 2018 PETS / HotPETS 2018 security conference talk on network (32:42 min). Watch the full video, indexed free on the Breach Arc Archive.
▶ Watch video on YouTube