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SecurityFocus

Vulnerability database and security information portal by Symantec.

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About

SecurityFocus operates as one of the cybersecurity industry's most established vulnerability databases and security information portals. Owned and maintained by Symantec, the platform has served as a central repository for security intelligence since the late 1990s. The service provides comprehensive coverage of security vulnerabilities, exploits, and threat intelligence across multiple technology platforms.

The platform's core offering centers around its extensive vulnerability database, which catalogs security flaws across operating systems, applications, and network devices. SecurityFocus maintains detailed records of Common Vulnerabilities and Exposures (CVE) entries, including technical descriptions, affected systems, and remediation guidance. The database covers vulnerabilities from major vendors including Microsoft, Adobe, Oracle, and numerous open-source projects.

SecurityFocus distinguishes itself through its historical depth and comprehensive coverage of legacy systems. The platform maintains vulnerability records dating back decades, making it valuable for organizations managing older infrastructure. The service also provides detailed exploit information and proof-of-concept code for security researchers and penetration testers working in controlled environments.

Security professionals, system administrators, and vulnerability management teams rely on SecurityFocus for threat research and patch management planning. The platform serves organizations across industries that need to assess their exposure to newly discovered vulnerabilities. Security researchers and academic institutions also utilize the database for threat analysis and security research purposes.

The platform includes specialized sections covering different aspects of cybersecurity, including network security tools, security policies, and incident response resources. SecurityFocus maintains mailing lists and discussion forums where security professionals share threat intelligence and discuss emerging security issues. These community features complement the vulnerability database by providing real-world context and expert analysis.

Within the broader cybersecurity ecosystem, SecurityFocus functions as a foundational intelligence source that feeds into vulnerability management workflows. Many commercial security tools and services integrate SecurityFocus data to enhance their threat intelligence capabilities. The platform's longevity and comprehensive coverage make it a trusted reference point for security professionals conducting threat assessments and developing defensive strategies.