spy ring

noun 0.631

counterespionage

noun 0.627

counterintelligence

noun 0.591

trade secret

noun 0.588

spycraft

noun 0.566

eavesdropping

noun 0.560

industrial

noun 0.545

business intelligence

noun 0.537

insider dealing

noun 0.534

spy

noun 0.528

intelligence office

noun 0.518

snooping

noun 0.517

inside information

noun 0.517

industrial estate

noun 0.516

counterspy

noun 0.514

eavesdrop

noun 0.510

private investigator

noun 0.508

intellectual property

noun 0.507

tradecraft

noun 0.507

stealing

noun 0.507

information security

noun 0.507

wiretapping

noun 0.505

piracy

noun 0.502

detective work

noun 0.501