Authoritative Resources · Curated

The Sources That Actually Matter

Direct links to the federal cybersecurity resources you should bookmark — CISA, NIST, FBI, and the few authoritative third parties worth trusting. No paywalls, no marketing, no scraped feeds.

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Why direct links instead of a feed? Authoritative federal sources update their own websites with the most accurate, current information. A scraped RSS feed is always one degree removed from the truth — and frequently breaks. These links send you straight to the source. Bookmark this page as your starting point for all cybersecurity research.
Active Threats & Vulnerabilities
Find out if your software is being actively exploited right now.
CISA · NIST
CISA
Known Exploited Vulnerabilities (KEV)
Every vulnerability that attackers are actively exploiting in the wild. If your software appears here, patch it immediately. Updated daily.
CISA
Cybersecurity Advisories
Official CISA alerts and joint advisories. Subscribe to the free email list to receive these as they're published.
NIST
National Vulnerability Database (NVD)
Search every known vulnerability by product name. Type your software's name to see all known issues and severity scores.
Microsoft
Microsoft Security Update Guide
Microsoft's official Patch Tuesday and security release tracker. Apply Microsoft updates within 72 hours of release.
Report a Cybersecurity Incident
If you're being attacked or have been breached, report here. All free.
FBI · CISA
FBI IC3
FBI Internet Crime Complaint Center
Official FBI portal for reporting any cyber crime — BEC, ransomware, fraud, identity theft. Many cyber insurance policies require IC3 reports.
CISA
Report to CISA
Report cyber incidents, ransomware, vulnerabilities, or anomalous activity to CISA. Free response support available for critical infrastructure.
CISA
#StopRansomware Resources
CISA's central hub for ransomware response. Includes free decryption tools, the StopRansomware Guide, and joint advisories.
FTC
FTC Report Fraud
Federal Trade Commission portal for reporting business email compromise, fraud, and identity theft. Required for some insurance claims.
Check If Your Data Has Been Breached
Find out if your business email or accounts were exposed in a breach.
Free Tools
HaveIBeenPwned
Check Your Email for Breaches
The most trusted breach notification service. Type your business email to see if your credentials have appeared in any known breach.
HaveIBeenPwned
Pwned Password Checker
Type a password to see if it's appeared in any breach. If yes, attackers know it — change it everywhere immediately.
HaveIBeenPwned
Domain Search (Business Owners)
For business owners: enter your entire company domain (e.g., yourbusiness.com) to see all breached employee accounts. Requires domain verification.
Free Government Cybersecurity Services
Every U.S. business is eligible for these free services. Most owners don't know they exist.
CISA · Free
CISA
Free Cyber Hygiene Vulnerability Scanning
CISA scans your internet-facing systems and sends you a plain-English report of vulnerabilities they find. Completely free for any U.S. organization.
CISA
Cybersecurity Guidance for Small Businesses
CISA's official small business resource hub. Covers everything from basic hygiene to incident response in plain language.
CISA
Subscribe to CISA Email Alerts
Free email alerts when CISA publishes new advisories. The fastest way to stay informed about active threats — no scraping required.
CISA
CISA Shields Up
CISA's national cyber posture page. When activated, signals elevated threat conditions with specific recommended actions for U.S. businesses.
Standards & Frameworks
For businesses with compliance requirements or who want to formalize their security program.
NIST · CISA
NIST
NIST Cybersecurity Framework 2.0
The federal cybersecurity framework — the foundation of the free assessment. Covers Identify, Protect, Detect, Respond, Recover, and Govern.
NIST
NIST SP 800-213 (IoT Devices)
NIST guidance on IoT device cybersecurity. The basis for our IoT Security tool — applies to cameras, printers, smart locks, and POS systems.
NIST
NIST Small Business Cybersecurity Corner
NIST's plain-language resource hub specifically for small businesses. Includes free planning guides and quick-start templates.
FCC
FCC Small Biz Cyber Planner 2.0
Generates a customized cybersecurity plan for your business based on your industry. Free, no signup required.

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