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)
- The Hacker News - Leading cybersecurity news platform with 4.5+ million followers
- KrebsOnSecurity - Brian Krebs' investigative cybersecurity journalism
- Dark Reading - Trusted community for cybersecurity professionals
- Schneier on Security - Bruce Schneier's renowned security blog
- CSO Online - Enterprise security decision-maker resource
- CISA - US government cybersecurity authority
- Threatpost - Independent security news and analysis
- Naked Security - Award-winning threat newsroom
- SecurityWeek - Global cybersecurity news and insights
- Infosecurity Magazine - Leading security industry publication
- WeLiveSecurity - Award-winning security research blog
- Troy Hunt - Creator of Have I Been Pwned, security expert
- Daniel Miessler - Security consultant and educator
- Graham Cluley - Independent cybersecurity analyst
- The State of Security - Risk and compliance insights
- Security Boulevard - Security bloggers network aggregator
- CyberSeek - Cybersecurity career and education resource
- SANS Institute - Cybersecurity training and certification authority
- NIST Cybersecurity Framework - Official US cybersecurity standards
- Akamai Security Blog - Cloud security and threat intelligence
- TaoSecurity - Richard Bejtlich's digital security insights
- Errata Security - Security research and analysis
- The Last Watchdog - Privacy and security journalism
- Security Ledger - Independent cybersecurity news
- UpGuard - Risk management and breach research
Tier 2: Major Industry Publications & Resources (26-50)
- Wired Security - Technology and cybersecurity coverage
- CIO Magazine - Enterprise technology leadership
- IT Security Guru - Daily IT security news digest
- Cybersecurity Insiders - Comprehensive cybersecurity resource
- Signal Magazine - C4ISR and cybersecurity trends
- Security Weekly - Award-winning security podcast network
- Adam Shostack & Friends - Security, privacy, and economics blog
- Malwarebytes Labs - Malware research and analysis
- Recorded Future - Threat intelligence platform
- Mandiant - Advanced threat research
- CrowdStrike Blog - Endpoint security and threat hunting
- Broadcom Security Response - Global threat intelligence
- Kaspersky Security Blog - Cybersecurity research and insights
- Trend Micro Security Blog - Threat research and analysis
- Palo Alto Networks Unit 42 - Advanced threat research
- Trellix Labs - Cybersecurity research and threats
- IBM Security Intelligence - Enterprise security insights
- Microsoft Security Blog - Cloud and enterprise security
- Google Security Blog - Internet security research
- Cisco Security Blog - Network security insights
- WithSecure Labs - Security research and analysis
- Check Point Research - Threat prevention research
- Fortinet Security Blog - Network security insights
- Proofpoint Security Blog - Email and data protection
- Rapid7 Security Blog - Vulnerability and threat research
Tier 3: Specialized & Regional Cybersecurity Sources (51-75)
- OWASP - Web application security project
- Cybersecurity Ventures - Industry research and predictions
- SC Media - Information security news and analysis
- Help Net Security - IT security news and resources
- Bleeping Computer - Computer security news and tutorials
- ZDNet Security - Enterprise technology security coverage
- Ars Technica Security - In-depth technology security analysis
- The Register Security - IT news with security focus
- Cyber Defense Magazine - Cybersecurity industry publication
- Information Security Magazine - Enterprise security insights
- (ISC)² Security Blog - Professional certification body
- ISACA - Information systems audit and control
- CSO Australia - Regional cybersecurity leadership
- Cyber Security Hub - Industry news and resources
- Security Affairs - Global cybersecurity news
- Cybersecurity Law Report - Legal aspects of cybersecurity
- Cybercrime Magazine - Cybercrime research and news
- DataBreachToday - Data breach news and analysis
- Bank Info Security - Financial services cybersecurity
- Healthcare IT Security - Medical industry cybersecurity
- Industrial Cyber - OT and industrial cybersecurity
- Aviation Cyber Security - Aviation industry focus
- Cyber Security Review - Academic and industry research
- Cyber Range - Cybersecurity training platforms
- Cybersecurity Dive - Business-focused security news
Tier 4: Emerging & Specialized Resources (76-100)
- CyberScoop - Government and policy cybersecurity news
- Fifth Domain - Military and defense cybersecurity
- Federal News Network Cybersecurity - Government IT security
- DHS Cybersecurity - Critical infrastructure protection
- Hack Read - Cybersecurity news and hacking updates
- The Cyber Wire - Daily cybersecurity briefings
- Cyber Security News - Breaking cybersecurity updates
- Security Intelligence - Threat landscape analysis
- Cyber Defense Review - Academic cybersecurity journal
- Journal of Cybersecurity - Peer-reviewed research
- Computers & Security - Academic cybersecurity publication
- IEEE Security & Privacy - Technical security research
- ACM Digital Library Security - Computer science security papers
- SANS Reading Room - Cybersecurity research papers
- Cybersecurity Canon - Curated security reading list
- NICCS - National cybersecurity career resource
- ENISA - European Network and Information Security Agency
- FIRST - Forum of Incident Response and Security Teams
- ACSC - Australian Cyber Security Centre
- NCSC UK - UK National Cyber Security Centre
- CCCS - Canadian Centre for Cyber Security
- BSI - German Federal Office for Information Security
- JPCERT/CC - Japan Computer Emergency Response Team
- CERT/CC - Carnegie Mellon CERT Coordination Center
- 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.