ResumeAssassin:  Top-rated resume and cover letter writing service -- plus LinkedIn optimization [Referral Code: pairspace]

CyberSeek:  Provides detailed data about supply and demand in the cybersecurity job market

ISC2:  Nonprofit organization which specializes in training and certifications for cybersecurity professionals

Women in Cybersecurity (WiCyS): WiCyS is where the recruitment, retention and advancement of women in cybersecurity happens

CompTIA: Nonprofit trade association that issues professional certifications for the information technology industry.