1. Brian Krebs 2. Wombat Security 3. Errata Security 4. Kaspersky Labs 5. Security Bloggers Network 6. Sophos 7. Paul’s Security Weekly 8. Akamai 9. The Security Ledger 10. Graham Cluley 11. Akamai 12. McAfee AntiVirus securing tomorrow 13. Naked Security 14. Shodan 15. NoMoreRansom 16. National Cyber Security Centre 17. Reddit: r/infosec r/sysadmin r/crypto r/cybersecurity r/opsec r/privacy r/intelligence r/asknetsec 18. Google’s Digital Attack Map 19. OSINT Framework 20. ‘US-CERT’ website
