P1 (Priority One) Cyber can help you with all your Cyber Consultancy needs, are you unsure whether your in-house security solution is working properly? Do you need advice on how you can protect yourself from the latest attacks? Here at P1(Priority One) Cyber we can answer all these for you and any other questions you have! All our consultants are Certified Information Systems Security Professional (CISSP) certified. Some of the areas we specialise in. Cyber Security Tabletop Exercises: Cyber Tabletop exercises are meant to help organizations consider different risk scenarios and prepare for potential cyber threats.