Best Free Encryption Utility for Cloud Storage. Tresorit is a significant entry in the client- plus- cloud encryption arena. Comparison of DES, Triple DES, AES, blowfish encryption for data. Does anyone have pros and cons together for comparing these. Encryption free download - Secure IT Encryption Software, Advanced Encryption Package 2015, Encryption Protection, and many more programs. It includes integral free cloud storage (3 GB plan, expandable by completing a few . Tresorit provides seamless sync via the cloud, encrypted links for sharing, and secure collaboration. Tresorit operates under Swiss laws, and uses Irish and Dutch servers (no Patriot Act). Tresorit uses Type 1 encryption (defined above in the Introduction), including its pros and cons. Files are unencrypted on all your synced devices, but are always encrypted for transmission and storage in the cloud. They describe the features of their system quite well. Top Ten Reviews compares and contrasts the best file encryption software for PCs. The Tresorit interface is well organized. They have an impressive analysis of why they doubt that Tresorit has been hacked. Being based in Switzerland doesn't hurt either. Tresorit may be the most secure way to encrypt files/folders for the cloud. You should be able to easily figure out how to get Tresorit going. I've been using Tresorit for my most sensitive data since September, 2. There is a sizable development team at Tresorit, and they are actively introducing new apps and features.
For example, they have recently implemented file versioning, and a clever secure URL method for sharing individual files securely. Spider. Oak is not just an encryption program. It combines client- side encryption with 2 GB of free cloud storage (more storage is availale for a fee). In other words, you don't need a separate cloud- storage service. Spider. Oak also provides sync between PCs and portable devices in addition to backup. In sum, Spider. Oak provides encryption (Type 1 as defined above in the Introduction), backup, sync and storage space. Backup and sync can be automatic. Spider. Oak uses Type 1 encryption (defined above in the Introduction), including its pros and cons. Files are unencrypted on all your synced devices, but are always encrypted for transmission and storage in the cloud. You can use Spider. Oak for as many folders as you like. Of course you can use up the free 2 GB pretty quickly, but it is inexpensive to get more. It is challenging to discover all the functions of Spider. Oak intuitively, but they have excellent . In particular, be very leary of any service that offers password recovery. If there is a mechanism for password recovery, it is likely your data on the server is also accessible to a determined hacker or agency. I used Spider. Oak for some time, and I liked the way it worked. One thing to understand is that Spider. Oak breaks files into blocks so that only the changed or added sections of files need to be stored. That way many versions of the file by just storing the incremental blocks. It offers fine- grain control of the backup/sync process, which helps you stay within the 2 GB of free storage. It's a bit tricky to use Spider. Oak until you get used to how it processes backups and syncing. Sync, a fairly new encrypted cloud service located in Canada (no Patriot act). It is similar to Tresorit and Spider. Oak, providing sync, sharing and storage. You get 5 GB of free storage, along with software to sync files with the encrypted cloud storage (or, you can use the cloud interface associated with your account without installing anything). You might use up the free 5 GB pretty quickly, but 5. GB is surprisingly affordable. Sync employs Type 1 encryption for the cloud (defined above in the Introduction), including its pros and cons. Files are not encrypted on your synced devices, but are always encrypted (2. RSA, 2. 56 bit AES, SSL and TLS) for transmission and storage in the cloud. Sync has the most straightforward installation & cloud setup I've experienced. Every step of the process, including installing the software was perfectly clear and presented in a smooth flow. You can easily have Sync up and running in under three minutes. The process creates a special . You can upload/download files directly from the cloud or work with them in the installed Sync folder. Sync allows . This lets you keep just the files you need on devices with limited storage. Sync also has a unique cloud management feature that sets it apart. These files are available from the cloud (only), which means none of them take up space on your devide(s). You can temporarily access just the ones you need at the time you need them. Cryptomator is a new entry in this category of encryption for cloud storage. It is well matched to the needs of many of the readers of this article and most home users. One key design objective is security through simplicity. Cryptomator provides transparent (on- the- fly), client- side encryption for cloud storage. Cryptomator is free and open- source software, which assures that backdoors are unlikely. Cryptomator is platform independent, and especially suitable for less technically experienced users. The user interface is very simple, and it is fairly easy to intuitively discover all the functions and options of Cryptomator. A FAQ and a rough version of a user manual already exist. They provide good help in getting started. It is open- source, which makes independent cryptographic review possible. Those factors, and the evident attention to detail and documentation by the developers lend a great deal to my confidence in the security of Cryptomator. The developers consulted with university mathematicians and other encryption experts, and received extensive feedback from the encryption community in their quest to avoid and eliminate vulnerabilities. They recently received a Ce. BIT Innovation Award (from the German Federal Ministry of Education and Research and a sponsoring Partner) for their design. Cloudfogger has a simple, clean user interface and is easy to work with. Cloudfogger is integrated with the file system so that many operations can be performed via context menus. It can be used with a wide range of cloud storage services, e. Dropbox, One. Drive (you must disable Office collaboration though), and Google Drive. Optional password recovery and . There is a helpful manual and an informative FAQs for Cloudfogger. They describe their encryption system at a high level: . Each file is encrypted with its own, unique AES Key that will be saved RSA encrypted within the file's header. User passwords are never transmitted to the Cloudfogger servers.. One question for example, is not answered: Do the optional recovery features introduce accessible backdoors? Cloudfogger uses a unique file- handling scheme. In effect they integrate the encryption process directly in the folders to be protected. Users work in what I'll call . Those dual- function folders store and present unencrypted files to users but upload encrypted versions of the files to the cloud. This is similar to the way Tresorit works, but Tresorit integrates their encryption process with their own cloud storage servers. That's a critical difference. In one way, the Cloudfogger scheme is great. It preserves the appearance of native file management for users. No confusing virtual drives or linked folders are required for file access by users. It's simplicity itself. But there's a dark side. If users add files to protected folders when Cloudfogger is not running the files will be uploaded in unencrypted form by the cloud service. That's right, they will not be encrypted in the cloud. Their approach is not as foolproof as Tresorit's method. Cloudifile is a cloud encryption entry from an established organization. I applied my criteria for encryption software, and while it is relatively new I am comfortable including Cloudifile in this encryption category. Cloudifile is offered by Cloud Labs, which is a product spin- off of Apriorit. Apriorit has extensive experience in security projects that relate to a product like Cloudifile. Here's how it works: Cloudifile creates a new folder in Dropbox, and encrypts and moves the files you want to store in the cloud to that Dropbox folder. It also creates a virtual drive where you can access the files (when you are logged in). Your local files are always encrypted at rest on your computer as well as in the cloud, but available in cleartext when you are logged in to Cloudifile. There is also a right- click context menu item for Windows Explorer that allows you to . They encrypt a single folder, and augment it with the virtual- folder overlay to give cleartext access. With this approach, you work directly with an unencrypted local files, which is faster, but not as secure against local attack. Viivo is not open source, but it is a seasoned product offered by an encryption- centered enterprise. All files to be encrypted must be placed in the unencrypted local folder. Any files placed directly in the encrypted folder will not be encrypted. That could be hard to remember, and there is no warning or other indication of mistakes.
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