41 7 action adventure americansuspensefiction belletristischedarstellung clark computernetworks computers computersecurity computersicherheit datensicherung drogenkriminalität drugs espionage extortion fiction fictionalworks general governmentpolicy history intelligenceservice internet jack(fictitiouscharacter) jackryan(fictionalcharacter) jackryan(fictitiouscharacter) john(fictitiouscharacter) johnclark(fictitiouscharacter) largetypebooks menaces mesures military nationalsecurity networking newyorktimesreviewed openlibrarystaffpicks paramilitärischerverband police politicsandgovernment politiquegouvernementale russia(federation) ryan réseauxd'ordinateurs security securitymeasures southamerica spanishfiction spanishlanguage specialforces(militaryscience) specialweaponsandtacticsunits spezialeinheit spies spystories sécurité sécuritéinformatique threats thrillers unitedstates