About: security key

Premodifier: security
Head noun: key

Same concepts
http://dbpedia.org/resource/Security_token

Broader concepts

label	provenance	confidence
sensitive information	isap:111254599	0.700716
information	isap:111254450	0.598085
datum	isap:470778907	0.468633
setting	isap:231855794	0.446701
model	isap:467396390	0.353972
network	isap:233080193	0.307600

Narrower concepts

label	provenance	confidence
digital signature	isap:487048055	0.678022
password	isap:349427252	0.270478