🏛️ CISA (Cybersecurity & Infrastructure Security Agency)

CISA Alerts & Advisories

Official alerts about current cybersecurity threats, vulnerabilities, and exploits affecting critical infrastructure.

🔗 Visit: cisa.gov/cybersecurity-advisories

Government Threat Intelligence Free

Cybersecurity Awareness Resources

Educational materials, toolkits, and training resources for organizations and individuals to improve security awareness.

🔗 Visit: cisa.gov/resources

Education Training Free

Stop Ransomware Campaign

Comprehensive resources to help organizations understand, prepare for, and respond to ransomware threats.

🔗 Visit: cisa.gov/stopransomware

Ransomware Prevention Free

📚 NIST (National Institute of Standards and Technology)

NIST Cybersecurity Framework (CSF)

A voluntary framework consisting of standards, guidelines, and best practices to manage cybersecurity risk. Widely adopted by organizations of all sizes.

🔗 Visit: nist.gov/cyberframework

Framework Best Practices Enterprise

Small Business Cybersecurity Corner

Practical resources specifically designed for small businesses to improve their cybersecurity posture.

🔗 Visit: nist.gov/smallbusinesscyber

Small Business Practical Free

Cybersecurity Publications

Technical guidelines, special publications, and research on various cybersecurity topics.

🔗 Visit: csrc.nist.gov/publications

Technical Research Advanced

🔓 OWASP (Open Web Application Security Project)

OWASP Top 10

The most critical web application security risks, updated regularly. Essential reading for developers and security professionals.

🔗 Visit: owasp.org/top-ten

Web Security Development Free

OWASP Cheat Sheet Series

Concise collection of high-value information on specific application security topics.

🔗 Visit: cheatsheetseries.owasp.org

Development Quick Reference Free

OWASP Security Knowledge Framework

Tool to learn about security by design and integrate security into software development lifecycle.

🔗 Visit: securityknowledgeframework.org

Training Development Free

🛡️ Security Organizations & Communities

SANS Internet Storm Center

Free cyber threat intelligence feeds, daily handler diaries, and security news.

🔗 Visit: isc.sans.edu

Threat Intelligence News Free

US-CERT (United States Computer Emergency Readiness Team)

National coordination center for cybersecurity incident response and vulnerability management.

🔗 Visit: cisa.gov (US-CERT is now part of CISA)

Government Incident Response Free

Krebs on Security

In-depth security news and investigation by renowned journalist Brian Krebs.

🔗 Visit: krebsonsecurity.com

News Investigation Free

Electronic Frontier Foundation (EFF)

Leading nonprofit defending digital privacy, free speech, and innovation.

🔗 Visit: eff.org

Privacy Advocacy Free

HaveIBeenPwned

Check if your email or password has been compromised in a data breach.

🔗 Visit: haveibeenpwned.com

Breach Check Tool Free

r/cybersecurity (Reddit Community)

Active community discussing cybersecurity news, careers, and best practices.

🔗 Visit: reddit.com/r/cybersecurity

Community Discussion Free

National Cyber Security Centre (NCSC UK)

UK's technical authority on cyber security, providing guidance for organizations and individuals.

🔗 Visit: ncsc.gov.uk

Government UK Free

📌 Important Notes

  • All resources listed are reputable and widely recognized in the cybersecurity community
  • Most resources are free to access and use
  • Links marked with "Government" are official government resources
  • Always verify you're on the correct website by checking the URL carefully
  • These resources are regularly updated - bookmark them for ongoing reference