Microsoft BitLocker Now Default on Copilot+ PCs with Windows 11 24H2

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17 Aug 2024

Encryption serves as a vital security layer, transforming sensitive information into a scrambled format that only those possessing a specific key can revert to its original state. This concept, which dates back to ancient civilizations, has evolved significantly over the centuries. A historical example is the Atbash cipher, which cleverly reversed the alphabet, allowing only those with the key to decode messages. Today, encryption is employed at advanced levels, making it essential for users to safeguard their unique keys to access their data.

Windows BitLocker

Microsoft’s BitLocker, a built-in encryption tool, has traditionally been available only on certain versions of Windows, such as Pro, Enterprise, or Education. However, with the recent rollout of Windows 11 version 24H2, starting from June 18th, users of Copilot+ PCs now have access to BitLocker by default. This shift marks a significant change, particularly for those who previously relied on lower-tier versions of Windows. It is crucial for users to be aware of where their encryption key is stored and backed up, especially as Microsoft has yet to announce a specific date for existing Windows 11 installations to receive this update, although experts anticipate it may occur around September or October 2024. Notably, upgrading to version 24H2 does not automatically enable BitLocker; it is only activated during fresh installations or reinstalls.

Additionally, Microsoft is easing the hardware requirements for BitLocker, potentially allowing older systems to utilize this encryption feature.

Pros of BitLocker

  • Enhanced Security: The primary advantage of BitLocker is its ability to secure sensitive information effectively. As a native Windows feature, it offers seamless integration for users.
  • Hardware-Based Security: BitLocker works in conjunction with the Trusted Platform Module (TPM), which provides a robust hardware layer for storing encryption keys.

Cons of BitLocker

  • Complexity for Non-Technical Users: While corporate environments often benefit from BitLocker due to compliance with data security standards, the complexity may pose challenges for non-technical home users. Understanding encryption keys and their proper storage can be daunting.
  • Risk of Data Lockout: Without the encryption key, legitimate users may find themselves locked out of their own data, which can be frustrating.
  • Performance Impact: In some scenarios, using BitLocker can lead to a performance decrease of up to 45%.
  • Troubleshooting Challenges: If issues arise with the TPM or other significant problems occur, resolving them can be both complex and time-consuming.

Backup is Critical

Understanding whether BitLocker is enabled on your computer is essential, as it necessitates two critical backups: the encryption key and your vital data. Various glitches may require you to access your key outside of normal usage, so it is prudent to prepare for potential catastrophes that could render your data inaccessible. To safeguard against such scenarios, utilizing an automatic backup service, like Carbonite, is advisable. This ensures that even if local backup drives are encrypted, your data remains secure and retrievable.

How to find a lost BitLocker recovery key?

To find a lost BitLocker recovery key, try the following steps: 1. Check the Microsoft account: Go to the Devices section and look for the recovery key. 2. Check the printed copy or USB drive if you saved it during setup. 3. Check your organization's cloud domain like Azure AD if your device is connected to it. 4. Contact IT support if the device was set up or managed by an organization.

How to encrypt a USB drive in Windows 11 without BitLocker?

To encrypt a USB drive in Windows 11 without BitLocker, you can use third-party software like VeraCrypt or 7-Zip. For VeraCrypt: 1. Download and install VeraCrypt. 2. Open VeraCrypt and select 'Create Volume'. 3. Select 'Encrypt a non-system partition/drive' and follow the prompts. For 7-Zip: 1. Download and install 7-Zip. 2. Create an archive with your files and use the encryption feature to password-protect the archive.
Update: 17 Aug 2024
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