classified facts linear icons set. confidentiality, secrecy, clandestine, espionage, covert, infiltration, discretion

vector icon line sign confidentiality secrecy clandestine espionage covert infiltration discretion coverup intelligence topsecret classified compartmentalized lockdown clearance cryptography concealment informant insider surveillance restricted sensitive disclosure redaction code protection privacy prevention debriefing scrubbing evidence eavesdropping secret hidden sealed silence inference validation vetting protected falsifying omission datamining security whistleblower