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什麼是 BitLocker?

BitLocker 是某些 Windows 版本內建的磁碟加密程式。它透過加密整個磁碟機來幫助保護您的資料。因此,如果有人嘗試刪除您的硬碟並在另一台電腦上讀取它,如果沒有加密金鑰,他們將無法存取資料。您也可以使用 BitLocker to Go(BitLocker 的擴充功能)加密可移動驅動器,例如通用序列匯流排 (USB) 隨身碟。

我可以在任何 Windows 作業系統上使用 BitLocker 嗎?

不可以,BitLocker 僅適用於特定版本的 Windows,例如 Windows 10 專業版、企業版和教育版。如果您使用的是家庭版,則無法存取 BitLocker。對於 Windows 7 等舊版本,您需要使用企業版或旗艦版才能使用 BitLocker。

如何在我的系統上設定 BitLocker?

要設定 BitLocker,您需要開啟控制面板並導航至系統和安全性下的 BitLocker 磁碟機加密選項。然後,系統將引導您完成一系列步驟,例如選擇加密方法和備份還原金鑰。依照提示操作,加密過程將開始。

如果忘記 BitLocker 密碼,我會遺失資料嗎?

如果您忘記了 BitLocker 密碼,也不會遺失一切。在設定過程中,系統會提示您儲存恢復金鑰。如果您忘記密碼,此密鑰可以解鎖您的磁碟機。但是,如果沒有密碼或恢復金鑰,您的資料基本上無法恢復。

BitLocker 支援哪些加密演算法?

BitLocker 支援多種加密演算法,例如高級加密標準 (AES-128) 和 AES-256,這些演算法被認為非常安全。在 BitLocker 設定過程中,您可以選擇加密演算法。演算法的選擇可能會影響加密過程的速度。

我可以在雙啟動系統上使用 BitLocker 嗎?

是的,您可以在雙啟動系統上使用 BitLocker,但有一些注意事項。 BitLocker 將僅加密 Windows 分割區,而不加密您可能擁有的任何其他作業系統 (OS) 分割區。此外,如果您嘗試從其他作業系統存取加密分割區,則可能會遇到問題。

如果我在啟用 BitLocker 的情況下更新或升級 Windows,會發生什麼情況?

如果您更新或升級 Windows 作業系統,BitLocker 應保持啟用狀態,並且您的資料將繼續加密。但是,主要更新可能需要您輸入 BitLocker 復原金鑰,因此請確保您手邊有該金鑰。

BitLocker 是否適用於固態硬碟 (SSD)?

是的,BitLocker 適用於 SSD。然而,有些 SSD 有自己的內建加密機制。在這種情況下,您可以選擇使用 BitLocker 或 SSD 的本機加密。您不需要同時使用兩者,因為這會造成過度殺傷並可能影響性能。

如果我不想再使用 BitLocker,如何停用它?

停用 BitLocker 非常簡單。前往控制台,前往 BitLocker 磁碟機加密設置,然後尋找要解密的磁碟機。按一下“關閉 BitLocker”並按照提示操作。然後解密過程將開始。

如果我的電腦感染了惡意軟體,BitLocker 會保護我的檔案嗎?

雖然 BitLocker 非常適合保護您的資料免遭未經授權的實體訪問,但它的設計目的並不是為了防範惡意軟體。如果您的系統受到感染,並且您已登入 Windows 並且磁碟機已解鎖,則惡意軟體仍然可以存取您的加密檔案。

我什麼時候應該考慮使用 BitLocker?

如果您擔心裝置的實體安全,例如您經常旅行或多人可以存取您的計算機,則應考慮使用 BitLocker。它增加了額外的保護層,使未經授權的使用者難以存取您的資料。

BitLocker 能否加密多個磁碟機?

是的,您可以使用 BitLocker 加密多個磁碟機。在設定過程中,您可以選擇加密其他驅動器,包括外部驅動器。這樣,您不僅可以保護您的主驅動器,還可以保護您可能擁有的任何附加儲存空間。

BitLocker 需要特殊硬體?

BitLocker 可以在有或沒有可信任平台模組 (TPM) 的情況下運作。 TPM 晶片提供了額外的安全功能,但如果您的電腦沒有該晶片,您仍然可以將 BitLocker 與通用序列匯流排 (USB) 磁碟機一起使用來儲存加密金鑰。

我可以在虛擬機器上使用 BitLocker 嗎?

是的,您可以在虛擬機器 (VM) 上使用 BitLocker。該過程與在物理機器上設定它幾乎相同。但是,請確保您使用的虛擬化軟體支援 BitLocker 所需的加密功能。

BitLocker 和雲端儲存怎麼樣?

如果您從加密磁碟機將檔案上傳到雲端存儲,則該檔案將在上傳過程中被解密。換句話說,BitLocker 不會加密儲存在雲端的檔案;它只加密本機儲存在您電腦上的檔案。

BitLocker 是否可以與廉價/獨立磁碟冗餘陣列 (RAID) 一起使用?

BitLocker 可以與 RAID 陣列配合使用,但存在一些複雜性。例如,RAID 陣列中的每個磁碟機都必須單獨加密。此外,某些 RAID 配置可能會在 BitLocker 設定過程中帶來挑戰,因此請謹慎操作。

加密過程開始後我可以暫停嗎?

不幸的是,一旦啟動 BitLocker 加密過程,就無法暫停。您需要讓它完成,這可能需要一些時間,具體取決於驅動器的大小和機器的速度。

設定 BitLocker 密碼後可以更改嗎?

是的,您可以在初始設定後變更 BitLocker 密碼。只需轉到控制面板中的 BitLocker 驅動器加密設置,找到要更改密碼的驅動器,然後按照提示進行更新。

我可以在同一台電腦上將 BitLocker 與其他作業系統一起使用嗎?

雖然 BitLocker 特定於 Windows,但您仍然可以在同一台電腦上安裝其他作業系統。請記住,BitLocker 只會加密 Windows 分割區。從另一個作業系統存取加密分割區可能會導致問題。

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