Deloitte & Touche LLP announced its acquisition of substantially all the assets of Root9B, LLC (R9B), a leading provider of advanced cyber threat hunting services and solutions. The deal will bolster Deloitte?s existing Detect and Respond cyber client offering with R9B?s deeply experienced cyber operations professionals and its award-winning threat-hunting and risk assessment solutions. R9B also offers tech-enabled vulnerability assessment and penetration testing, defense forensics and incident response.