chmod util vs VulnWatch

chmod util helps you understand and build Unix file permissions. Tap r, w, and x for the owner, group, and everyone else, and see the corresponding chmod number instantly. Choose common modes such as 644, 755, and 600, each with a clear explanation of who gets access. A built-in, manual explains the essentials: - What read, write, and execute mean. - How permissions differ for files and directories. - How to remember the 4–2–1 rule. - All eight permission patterns in a handy cheat sheet. - Practical examples of chmod commands. A small, focused companion for developers, students, and anyone learning Unix permissions.

VulnWatch is a comprehensive security intelligence application designed to keep security professionals and IT administrators informed about the latest vulnerabilities. We aggregate vulnerability data from authoritative sources including NVD (National Vulnerability Database) and CISA (Cybersecurity & Infrastructure Security Agency), delivering critical security information directly to your device. ### Key Features **AI-Powered Vulnerability Summaries (NEW - iOS 26+)** Leverage Apple Intelligence to generate concise, actionable vulnerability briefs. Get risk assessments and recommended actions in your preferred language, helping you quickly understand and prioritize security threats. **Comprehensive Vulnerability Feed** Access vulnerability information from NVD and CISA, ensuring you always have the latest security data at your fingertips. **CVSS v4 Support** Full support for the latest CVSS 4.0 scoring system, alongside CVSS 3.x and 2.0, providing accurate severity assessments using industry-standard metrics. **Detailed Vulnerability Information** Each vulnerability entry includes: - CVE ID and description - CVSS scores (v4, v3, v2) with severity ratings - CWE (Common Weakness Enumeration) - CPE (Common Platform Enumeration) - EPSS (Exploitation Prediction Scoring System) probability - Publication and modification dates **KEV Catalog Integration** Access CISA's Known Exploited Vulnerabilities (KEV) catalog to quickly identify actively exploited threats requiring immediate attention. **Exploit Availability** Check if public exploit code exists for vulnerabilities, enabling accurate risk assessment and prioritization. **Smart Search & Filtering** - Sort by update date, publication date, CVSS score, or EPSS - Filter by severity, KEV status, and exploit availability - Flexible minimum score thresholds **Curated Top Vulnerabilities** Discover trending vulnerabilities across categories: KEV listings, high severity issues, popular vendors, and commonly affected software. **Reference Links** Quick access to detailed technical resources and vendor advisories for each vulnerability.