This glossary is from Learning Ransomware Response & Recovery by W. Curtis Preston and Dr. Mike Saylor. Browse all letters of the glossary or get the book.
NAS (Network Attached Storage) – File-level storage device connected to a network, providing data access to multiple clients.
National Vulnerability Database (NVD) – U.S. government repository of vulnerability data using standardized information.
NCSC (National Cyber Security Centre) – UK’s national cybersecurity agency providing incident response and guidance.
Near-CDP (Near-Continuous Data Protection) – Combination of frequent snapshots and replication providing near-continuous recovery points.
Neo23x0 – GitHub repository containing pre-built YARA rules for detecting common ransomware variants.
Network Propagation – How malware spreads from one system to others across a network using legitimate tools and exploited credentials.
Network Segmentation – Dividing a network into smaller segments to improve security and contain potential breaches.
Next-Generation Firewall (NGFW) – Advanced firewall with features like deep packet inspection, intrusion prevention, and application awareness.
NIST (National Institute of Standards and Technology) – U.S. federal agency that develops cybersecurity frameworks and standards.
Nmap – Free network scanning tool for discovering open ports and identifying vulnerable services.
NoMoreRansom.org – Europol-backed website offering 100+ free decryptors for ransomware variants.
NTP (Network Time Protocol) – Protocol for synchronizing system clocks, critical for accurate logging and forensic timelines.