Supervisory Special Agent (SSA) Efrene “Ren” Sakilayan has been an FBI agent for more than 16 years and worked Cyber national security and Cyber criminal matters for more than 14 years. He also worked as an FBI Assistant Legal Attaché out of the United States Embassy in London, United Kingdom, covering FBI cyber criminal matters. SSA Sakilayan is a member of the FBI’s Cyber Action Team, a rapid deployment team tasked by the FBI’s Cyber Division to respond to critical Cyber incidents anywhere in the world. SSA Sakilayan responded to and investigated multiple large-scale cyber incidents throughout the United States while assigned to the FBI San Francisco office, FBI’s Cyber Division headquarters, and the FBI Legal Attaché office out of the United States Embassy in London. SSA Sakilayan currently supervises a Cyber criminal squad in FBI San Francisco covering a variety of threats including ransomware, business email compromises, data breaches, and network intrusions.