Due to a lapse in government funding, the majority of this website is not being updated until further notice. Learn more
NIST websites for programs using non-appropriated funds (NVLAP and PSCR) or those that are excepted from the shutdown (such as NVD) will continue to be available and updated.
To people who work in cybersecurity and digital forensics, the world is a vast and ever-rising ocean of digital objects. NIST’s Reference Data Set—a list of more than 40 million hashes, or digital "fingerprints” of known software files—helps them quickly find what they’re looking for.