Do Windows Encryption Tools Suit Enterprises and Government?

Do Windows Encryption Tools Suit Enterprises and Government?

Stop and think about your daily work routine. You sit down at your desk, log in to your laptop, and read your emails. Perhaps, human resources sent you a new employee’s contact information. You open it and save it to your hard drive. Another email from an industry contact includes unpublished statistics one of your analysts requested. You forward these trade secrets to the analyst and place them a shared drive where everyone in the project team can access them.

Standard procedure, right?

You focus on the information coming in—saving it, passing it on to the right people, and analysing it. For data-driven workers, including thousands of attorneys, defence contractors, and governmental employees, how you use the available information and data defines how you work.

With all the attention on the data and its meaning, one question often slides under the radar. How secure are data protection and privacy?

When this question inevitably rears its head, someone—maybe you—points to your organisation’s encryption & encrypted messaging policies.

Encryption, the time-honoured art of encoding sensitive information to protect it from unauthorised eyes, is a requirement for data security.

Recognising the need for file, folder, and drive encryption, Microsoft added two encryption utilities. Introduced as part of Windows 2000, the encrypting file system (EFS) encrypts individual files and folders. Vista brought us BitLocker, which encrypts volumes. Each version of Windows builds on the next, offering additional cryptographic algorithms, certificates, keys, and supported file systems.

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Evolving Cyber Threats and the Government Digital Workplaces

Today, Windows 7’s 2020 retirement date hangs over many organisations like a sword of Damocles. With more than 200 million EFS Encryption Windows 10 enterprise users and millions more expected in the coming years, the question is: Does EFS Encryption Windows 10’s encryption tools fit how government organisations and enterprises work?

Encrypting File System (EFS) & Encryption File System Windows 10

EFS Encryption File System Windows 10 is the oldest encryption utility in Windows 10’s arsenal. Encryption file system windows 10 is available on Windows 10 Professional, Enterprise, and Education editions as well as on Windows Server 2016 and Windows Server 2019. With new features, including cryptographic algorithms, added with each major release and some updates, encryption file system windows 10 applies modern and secure cryptographic algorithms to files and folders.


  • Encryption File System Windows 10 includes military grade AES-256 Encryption. For more about why you need this, see “Communication Security: What Military Grade Encryption Means.”
  • As a built-in utility, EFS Encryption Windows 10 offers the ultimate convenience for your IT shop. No need to install it. Just turn it on and pass out instructions.
  • It encrypts both files and folders.


  • It’s complicated. Encrypt and decrypt are not listed on the context menu. Encrypting a file or folder via EFS requires right-clicking on the item, going to properties, clicking “Advanced”, and then checking “Encrypt contents to secure data”. Making EFS Encryption Windows 10 accessible from the context menu requires editing the registry.
  • Opening EFS Encryption Windows 10 files or folders on another computer requires exporting the EFS certificate and key and installing them on that computer.
  • EFS encrypted files are automatically decrypted when they’re shared via an application like Dropbox. Since encryption file system windows 10 is transparent to both the user and their applications, file sharing apps like Dropbox automatically decrypt the file before uploading to the server.
  • File sharing requires VPN tunnelling.
  • No mobile file access.

For rarely accessed data and documents, including medical records and legal documents, encryption file system windows 10 is an excellent solution; provided, all certificates and keys are backed up. It also works for individuals who don’t need cloud storage or file sharing.

AxCrypt, the Popular Alternative to EFS Encryption Windows 10:

For small business owners and organisations on a tight budget, AxCrypt is an attractive alternative to encryption file system windows 10. Like EFS, AxCrypt boasts AES-256 encryption for files and folders.

AxCrypt also features:

  • Smartphone access for both iOS and Android
  • An invitation system that lets users share files and collaborate, and
  • Encrypted cloud storage via either Dropbox or Google Drive.
  • Unfortunately, AxCrypt follows a freemium model and has monetised their software with the adware module OpenCandy. Among other things, OpenCandy installs web browser extensions, plugins, and toolbars that monitor and report the user’s browser activity to third parties. Some antivirus and anti-malware suites label OpenCandy as malware.Although AxCrypt will protect select files with encryption, it may also compromise your employees’ privacy.


Microsoft’s flagship disk volume encryption, BitLocker, was first included in their Microsoft Vista Ultimate and Enterprise editions. Originally, BitLocker helped verify the system integrity. They designed it to protect the operating system and later extended its protection to other logical drives.

BitLocker was not included in Windows 7 Professional but is included in Windows 10 Professional, Enterprise, and Education editions. If you need BitLocker like features on Windows 7 Pro, see VeraCrypt below.


  • BitLocker offers AES-256 encryption.
  • It works on both individual hard drives and storage area networks and network attached storage.
  • BitLocker helps you implement an organisation-wide cryptography policy by mounting unencrypted drives as read-only.
  • FIPS


  • Implementing BitLocker may require upgrading existing hardware and software.
  • Administering networked drives is difficult. According to Microsoft, the preferred management method for BitLocker protected network drives on Windows Server 2016 is the Windows PowerShell.
  • Shared BitLocker drives are decrypted on the server. All files are transmitted over the network unencrypted.
  • Additional disadvantages include:
    • No mobile drive access
    • No version control
    • No change notifications.

VeraCrypt, a non-Microsoft Bitlocker Alternative

Forked from TrueCrypt in 2013, VeraCrypt is an opensource alternative to BitLocker for Windows, Windows Server, macOS, and Linux systems. Like BitLocker, it supports AES-256 and applies encryption to logical volumes. It also creates encrypted file containers.

Sharing VeraCrypt volumes with read/write access requires mounting and decrypting them on the server. Accessing an encrypted container over a network is possible. However, in this instance, the encrypted file container is read-only.

Secure Collaborative File Sharing for Enterprises and Government Agencies

Although VeraCrypt offers some sharing capabilities, neither it nor EFS encryption windows 10  is designed for multiple users. BitLocker integrates with other Microsoft products and provides more robust collaboration options via shared drives. However, it is difficult to administer and lacks version control and other features needed for collaborative editing.

While AxCrypt has an almost cult-following and offers the collaborative features small to medium-sized organisations need, its adware module may introduce other unforeseen security risks.

For enterprises and government agencies, secure collaborative file sharing must be invisible. The system guided by your cryptography policies should choose what needs encryption, not your employees. Encryption and decryption should both happen in the background, unseen and seamless, such as on an encrypted messenger that follows complete compliance with data protection.

It must work on all your enterprise’s devices, including mobile phones. Sending an investigator to Thailand shouldn’t mean they lose access to critical documents.

Encryption is not limited to a single device or server. Protect your sensitive data on the server with end-to-end encryption, in transit, and at rest. Any device someone can pick up with a hand needs at rest encryption. At a minimum, encrypt all cell phones and tablets, and turn on BitLocker on laptops.

At Adeya, we have another item on our must-protect list. Communications, including secure video conferencing, voice calls, SMS, and messaging, represent a treasure trove of highly-sensitive data. With more governments developing offensive cyber-attack capabilities than ever before, protecting these secrets alongside more traditional document-based intelligence is a crucial and often overlooked part of a sound data protection strategy. Give us a call at (+41) 22 566 14 80 and find out how our secure collaboration and communication platform can help your organization.


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