EntityQ7445066· pop 5· linked from 160 articlesSecurity serviceSign in to savesecurity architecture for the interconnection of open systemsConnectionsOSI modelEntitycommunication protocolEntityinformation securityEntityUnited StatesCountryInternational Standard Book NumberEntityWayback MachineEntityInternational Organization for StandardizationEntitycomputer securityEntityWorld Wide Web ConsortiumEntitydigital signatureEntityoutsourcingEntityweb serviceEntitycyberattackEntityintegrityEntityNational Institute of Standards and TechnologyEntityaccess controlEntityvulnerabilityEntitynetwork securityEntitytelecommunications networkEntityexploitEntityCategoriesComputer network securityISO standardsITU-T recommendationsITU-T X Series RecommendationsNetwork protocols