{"schema":"hottub-news/story/v1","story":"st_wta7uh3da2egqvaqgqma","title":"四大作業系統檔案通知存在側通道風險，Windows、Android可暴露更多使用資訊","title_en":"Four major operating systems file notification exists side channel risk, Windows and Android can expose more user information","outlets":1,"brief":null,"page":"https://hottub.news/stories/four-major-operating-systems-file-notification-exists-side-channel-risk-wta7uh3da2","count":1,"items":[{"id":"n_wta7uh3da2egqvaqgqma","seq":341814,"kind":"article","title":"四大作業系統檔案通知存在側通道風險，Windows、Android可暴露更多使用資訊","title_en":"Four major operating systems file notification exists side channel risk, Windows and Android can expose more user information","url":"https://www.ithome.com.tw/news/179240","summary":"新聞 奧地利格拉茲科技大學研究團隊 公開 檔案通知攻擊（File Notification Attacks）研究，指出Linux、Android、Windows與macOS的檔案通知機制可能形成側通道。攻擊程式不必讀取檔案內容，只要觀察檔案何時開啟、修改或刪除，就可能推測按鍵時間、瀏覽網站、通訊軟體媒體活動與應用程式使用情形。目前沒有已知實際攻擊案例。 四套作業系統都提供檔案通知功能，讓程式知道檔案系統發生的變化，Linux使用inotify、Android使用FileObserver、Windows使用ReadDirectoryChangesW，macOS則使用FSEvents。研究發現，部分平臺的檔案通知權限與檔案讀取權限並未完全同步，低權限程式因此可能收到無權讀取檔案的活動通知。…","published":"2026-09-28T04:04:42Z","seen":"2026-09-28T04:41:39Z","lang":"zh","country":"TW","source":{"id":"kite-ithome-com-tw-c23d09","name":"ithome.com.tw","domain":"ithome.com.tw","outlet":{"wikidata":"Q123398745","name":"iThome","type":"magazine","country":"TW","designations":["magazine","news website"]}},"via":"kite-ithome-com-tw-c23d09","authors":["李建興"],"entities":[{"id":"Q35473","name":"window","type":"other"},{"id":"Q94","name":"Android","type":"other"}],"story":"st_wta7uh3da2egqvaqgqma","category":"science-technology","category_p":0.75,"sentiment":"negative","tone":-0.6899999976158142,"political":0.07000000029802322}]}