News
Cyberwire
Dark Reading
Infosecurity Magazine
SecLists
SecurityIntelligence

Essential Reading
Cybersecurity Canon

Open source opportunities
The Honeynet Project – Honeypot/honeynet research and development
Libreswan – IKE and IPsec standards for VPN
Metasploit – Framework for security tools and exploit development and penetration testing
Nmap Security Scanner – Network discovery and security auditing
Radare2 – Reverse engineering framework and tools
Tor – Internet privacy and security

Career Planning
Cybersecurity Career Pathway – A great interactive tool that can help you plan transitions in your cybersecurity career
SANS’ Security Training Career Roadmap is useful for planning your education