L’original, pas beaucoup plus clair.
– dans le futur immédiat, il faut réexaminer 4000 habilitations ( petit nombre ?)
– un nombre « assez grand » ( broader relativement au résultat final) mais petit quand même ( small subset ) a éveillé des soupçons,
– parmi lesquels 1 sur 5 « seulement » posaient vraiment problème.
U.S. intelligence agencies spend millions to hunt for insider threats, document shows - The Washington Post
▻http://www.washingtonpost.com/politics/us-intelligence-agencies-spend-millions-to-hunt-for-insider-threats-document-shows/2013/09/01/c6ab6c74-0ffe-11e3-85b6-d27422650fd5_story.html
Contractors like Snowden, an NSA spokeswoman said, were not included in the plans to reinvestigate 4,000 security clearances.
CIA officials said the number of applicants ultimately tied to terrorist networks or hostile foreign governments was “small” but declined to provide an exact number or the reasons the broader group of applicants initially raised concerns.
“Over the last several years, a small subset of CIA’s total job applicants were flagged due to various problems or issues,” one official said in response to questions. “During this period, one in five of that small subset were found to have significant connections to hostile intelligence services and or terrorist groups.” The official, like others interviewed for this article, spoke on the condition of anonymity to discuss classified material.
Et l’expert de service retombe inévitablement sur la malédiction des #faux_positifs, sujet qui me titille depuis déjà pas mal de temps…
Steven Aftergood, a government secrecy expert at the Federation of American Scientists, which analyzes national security policy, said he suspects the agency may respond to a lot of “false positives” — alerts for activity that is actually innocent and work-related.
“If the 4,000 cases turn up only two or three actual threats, they need to adjust their detection threshold or they’ll be using a lot of resources for no purpose,” he said.
Au passage 99,9% de fausses alertes dans le total des alertes, ça fait beaucoup… (et je suis gentil, j’arrondis « 1, 2 ou 3 » à 4, plus facile à diviser par 4000…)
