The ultimate Top 100 Cyber Security Blogs in the World

This comprehensive list represents the most influential and widely-followed cybersecurity websites, blogs, and resources globally, compiled from multiple industry rankings and expert recommendations.

Tier 1: Elite Cybersecurity News & Information Sources (1-25)

1. The Hacker News - Leading cybersecurity news platform with 4.5+ million followers
2. KrebsOnSecurity - Brian Krebs' investigative cybersecurity journalism
3. Dark Reading - Trusted community for cybersecurity professionals
4. Schneier on Security - Bruce Schneier's renowned security blog
5. CSO Online - Enterprise security decision-maker resource
6. CISA - US government cybersecurity authority
7. Threatpost - Independent security news and analysis
8. Naked Security - Award-winning threat newsroom
9. SecurityWeek - Global cybersecurity news and insights
10. Infosecurity Magazine - Leading security industry publication
11. WeLiveSecurity - Award-winning security research blog
12. Troy Hunt - Creator of Have I Been Pwned, security expert
13. Daniel Miessler - Security consultant and educator
14. Graham Cluley - Independent cybersecurity analyst
15. The State of Security - Risk and compliance insights
16. Security Boulevard - Security bloggers network aggregator
17. CyberSeek - Cybersecurity career and education resource
18. SANS Institute - Cybersecurity training and certification authority
19. NIST Cybersecurity Framework - Official US cybersecurity standards
20. Akamai Security Blog - Cloud security and threat intelligence
21. TaoSecurity - Richard Bejtlich's digital security insights
22. Errata Security - Security research and analysis
23. The Last Watchdog - Privacy and security journalism
24. Security Ledger - Independent cybersecurity news
25. UpGuard - Risk management and breach research

Tier 2: Major Industry Publications & Resources (26-50)

26. Wired Security - Technology and cybersecurity coverage
27. CIO Magazine - Enterprise technology leadership
28. IT Security Guru - Daily IT security news digest
29. Cybersecurity Insiders - Comprehensive cybersecurity resource
30. Signal Magazine - C4ISR and cybersecurity trends
31. Security Weekly - Award-winning security podcast network
32. Adam Shostack & Friends - Security, privacy, and economics blog
33. Malwarebytes Labs - Malware research and analysis
34. Recorded Future - Threat intelligence platform
35. Mandiant - Advanced threat research
36. CrowdStrike Blog - Endpoint security and threat hunting
37. Broadcom Security Response - Global threat intelligence
38. Kaspersky Security Blog - Cybersecurity research and insights
39. Trend Micro Security Blog - Threat research and analysis
40. Palo Alto Networks Unit 42 - Advanced threat research
41. Trellix Labs - Cybersecurity research and threats
42. IBM Security Intelligence - Enterprise security insights
43. Microsoft Security Blog - Cloud and enterprise security
44. Google Security Blog - Internet security research
45. Cisco Security Blog - Network security insights
46. WithSecure Labs - Security research and analysis
47. Check Point Research - Threat prevention research
48. Fortinet Security Blog - Network security insights
49. Proofpoint Security Blog - Email and data protection
50. Rapid7 Security Blog - Vulnerability and threat research

Tier 3: Specialized & Regional Cybersecurity Sources (51-75)

51. OWASP - Web application security project
52. Cybersecurity Ventures - Industry research and predictions
53. SC Media - Information security news and analysis
54. Help Net Security - IT security news and resources
55. Bleeping Computer - Computer security news and tutorials
56. ZDNet Security - Enterprise technology security coverage
57. Ars Technica Security - In-depth technology security analysis
58. The Register Security - IT news with security focus
59. Cyber Defense Magazine - Cybersecurity industry publication
60. Information Security Magazine - Enterprise security insights
61. (ISC)² Security Blog - Professional certification body
62. ISACA - Information systems audit and control
63. CSO Australia - Regional cybersecurity leadership
64. Cyber Security Hub - Industry news and resources
65. Security Affairs - Global cybersecurity news
66. Cybersecurity Law Report - Legal aspects of cybersecurity
67. Cybercrime Magazine - Cybercrime research and news
68. DataBreachToday - Data breach news and analysis
69. Bank Info Security - Financial services cybersecurity
70. Healthcare IT Security - Medical industry cybersecurity
71. Industrial Cyber - OT and industrial cybersecurity
72. Aviation Cyber Security - Aviation industry focus
73. Cyber Security Review - Academic and industry research
74. Cyber Range - Cybersecurity training platforms
75. Cybersecurity Dive - Business-focused security news

Tier 4: Emerging & Specialized Resources (76-100)

76. CyberScoop - Government and policy cybersecurity news
77. Fifth Domain - Military and defense cybersecurity
78. Federal News Network Cybersecurity - Government IT security
79. DHS Cybersecurity - Critical infrastructure protection
80. Hack Read - Cybersecurity news and hacking updates
81. The Cyber Wire - Daily cybersecurity briefings
82. Cyber Security News - Breaking cybersecurity updates
83. Security Intelligence - Threat landscape analysis
84. Cyber Defense Review - Academic cybersecurity journal
85. Journal of Cybersecurity - Peer-reviewed research
86. Computers & Security - Academic cybersecurity publication
87. IEEE Security & Privacy - Technical security research
88. ACM Digital Library Security - Computer science security papers
89. SANS Reading Room - Cybersecurity research papers
90. Cybersecurity Canon - Curated security reading list
91. NICCS - National cybersecurity career resource
92. ENISA - European Network and Information Security Agency
93. FIRST - Forum of Incident Response and Security Teams
94. ACSC - Australian Cyber Security Centre
95. NCSC UK - UK National Cyber Security Centre
96. CCCS - Canadian Centre for Cyber Security
97. BSI - German Federal Office for Information Security
98. JPCERT/CC - Japan Computer Emergency Response Team
99. CERT/CC - Carnegie Mellon CERT Coordination Center
100. US-CERT - United States Computer Emergency Readiness Team

---

Website Categories Breakdown:

• News & Analysis: 30 sites
• Government & Standards: 15 sites
• Vendor Blogs: 20 sites
• Independent Experts: 15 sites
• Academic & Research: 10 sites
• Industry Publications: 10 sites

Key Metrics Considered:

• Monthly readership and traffic
• Industry influence and reputation
• Content quality and frequency
• Expert recognition and citations
• Social media following
• Professional recommendations

Note: Rankings are based on multiple industry sources, traffic data, and expert recommendations as of April 2025.