NVMe, or Non-Volatile Memory Express, is a storage interface built to move data quickly between a computer and flash-based drives. It was designed for low latency and high parallelism, which makes it much faster than older storage protocols for many workloads. In practice, NVMe helps websites, databases, and virtual machines read and write data with less delay.
In cyber security, NVMe matters because speed affects both attack and defense. Faster storage can improve log collection, backup creation, restore operations, and incident response on busy systems. At the same time, attackers benefit from high-performance storage when they encrypt files, exfiltrate data, or run tooling on compromised hosts, because operations complete faster and generate less visible slowdown. NVMe itself is not a security feature, but it is an important part of the resilience and performance profile defenders must understand when sizing systems, testing recovery, and planning for high-load events.