Not all Cloud Storage Platforms are Secure
In 2014, more than 500 nude photos of female celebrities, including Jennifer Lawrence, Rihanna and Kate Upton, were leaked by hackers. The data was obtained from iCloud backups and 72 Gmail accounts after the hacker used spear phishing to gain access. These images were initially uploaded to 4chan and quickly spread to other websites and Reddit forums.
Similarly, DropBox has a history of data breaches like the 2012 breach where 68 million user accounts were left exposed. This included email credentials and hashed passwords being leaked, the full story only revealed four years later in 2016. Hackers stole an employee's credentials and the exposure posed a major risk due to potential password reuse on other platforms.
Both iCloud and DropBox use server side encryption instead of client side encryption. This means that your encryption keys are managed by the server, putting your data at risk during a server breach. The above mishaps could be avoided if client side encryption was used : a clear failure of architecture.
DragBin is the best secure alternative to DropBox and a smarter alternative to iCloud, offering client side encryption cloud and better features.
What is Client Side Encryption?
Client side encryption as the name suggests is a security practice where data is encrypted on your device before it is sent to any external server. This means only you hold the keys that are needed to access the data. Nobody else, not even the service provider or server has any access to your information.
So what does the server really hold? The server or service provider only stores scrambled, unreadable ciphertext that is useless without your private key. So let's say someday the server is compromised or breached, your data will remain secure. The hackers will not have the encryption key and they will only see scrambled data.
How Does Zero Knowledge Client Encryption Really Work?
As discussed already, client side encryption paves the way for a zero knowledge security architecture, ensuring only the owner can decrypt and view the information.
Below are some key aspects to simplify how zero knowledge client encryption works :
Unique Encryption Key Generated
A unique encryption key is generated on your device by the client
Data Encrypted Before Leaving
Your data is encrypted before leaving the device
Encrypted Data Transmitted
The encrypted data is transmitted to the server
Server Stores Ciphertext Only
The server stores the data but cannot decrypt or read it
Local Decryption on Access
Users with permission retrieve the data in encrypted form and it is decrypted locally
Client Side Encryption vs Server Side Encryption
Compared to client side encryption, platforms that use server side encryption are less secure and not zero-knowledge. With server side encryption, the data is sent to the service provider and not encrypted locally on your device. This means, the service provider or company handling your data typically manages encryption keys.
Despite the data being encrypted, the service provider can decrypt your data under various circumstances. You are essentially trusting the server but risk exposing your data in events like data breaches as showcased through the example in the beginning of this page.
| Feature | Client-Side Encryption | Server-Side Encryption |
|---|---|---|
| Control of Keys | You fully control and store the encryption keys | The provider controls and manages the keys |
| Data Access | Only you (and intended recipient) can decrypt and read the data | The provider can decrypt and access your data if needed |
| Security in Breaches | Data remains unreadable even if servers are hacked | Data can be exposed if encryption keys are compromised |
| Trust Required | Minimal trust in the service provider | High trust required in the provider's security practices |
| Privacy Level | Maximum privacy with zero knowledge architecture | Limited privacy since provider has potential access |
What Kind of Encryption does DragBin Use for Security?
DragBin uses client side, quantum resistant encryption (ML-KEM + AES-256) to protect your data today, tomorrow and forever in the future. While client side encryption is useful, you require an additional quantum resistant layer to fight quantum computers.
Using DragBin, nobody can see your data, not even us because of metadata protection in place. This means we cannot see your files, passwords or filenames, they remain visible to you only.
DragBin by far is the best client side encryption cloud out there, take a look at how our encryption works —
E2E Encryption Visualizer
This visualizer has two flows:
1. Backup: You encrypt a file locally. The session key is wrapped with YOUR public key so only you (after re-deriving your user key) can decrypt later.
2. Sharing: File encrypted once with a symmetric session key; that session key is wrapped with the RECIPIENT public key (hybrid encryption).
Manual mode (default): Each step is a scrollable 'card'. You must reach the bottom to unlock the Next button. This forces reading/learning pacing.
Auto mode: Cinematic slow-motion timeline. You can pause / resume and adjust speed.
Core principles: confidentiality (plaintext never leaves the client), integrity (AEAD), authenticity (verified recipient key), forward secrecy boundaries (fresh per-file session key).
Why Quantum Resistant Encryption Matters
More Than Ever
According to Google's timeline, quantum computers will likely arrive by 2029. Cloudflare too has targeted 2029 for full post quantum security, accelerating its post quantum cryptography. Hackers are using the "Harvest Now, Decrypt Later" method to store your encrypted data, waiting patiently for the moment they are finally able to crack it using quantum computers.
Many cloud storages fail with mere end-to-end encryption, leaving you vulnerable to future threats. Big tech companies often analyze your data, flag it, track your activity and sometimes even monetize it. Even when they offer encryption, it is usually server-side, meaning they still hold the keys, so if their systems are breached, your data can be exposed.
In terms of DragBin vs other cloud storages, we are among the world's first leading quantum resistant storage platforms, offering a genuine storage solution to protect your data. We are the best client side encryption cloud offering advanced features and private AI.
How Does DragBin's Zero Knowledge Security
Architecture Work?
We have published our own technical whitepaper, detailing how our security architecture is truly zero knowledge. Using a hybrid approach, we blend symmetric encryption with public key cryptography. DragBin addresses this risk by using ML-KEM combined with AES-256, a NIST-standardized, post-quantum secure key establishment approach.
ML-KEM is a quantum-resistant key encapsulation mechanism that secures key exchanges against future PQC threats. AES-256 protects your data in transit and at rest using a highly trusted 256-bit encryption standard. Argon2 strengthens security further by deriving keys from your password with high computational cost.
Metadata Protection
Nobody (not even DragBin) can see your files, passwords or filenames — they remain visible to you only.
ML-KEM Keys
Quantum-resistant key encapsulation mechanism that secures key exchanges against future PQC threats.
AES-256 Security
Protects your data in transit and at rest using a highly trusted 256-bit encryption standard.
Argon2 Key Derivation
Strengthens security further by deriving keys from your password with high computational cost.
Benefits of Client Side Encryption and Who Needs It
Anyone who truly values their privacy and wants a secure solution must opt for platforms offering client side encryption. This includes private files, confidential data or even government documents that is being uploaded to the cloud. DragBin offers dedicated plans for professionals, creators and businesses, offering integrations, dedicated tools and a whole infrastructure beyond only storage.
Full Control Over Data
Since you hold the encryption keys, you do not have to depend on a server and have full control over your data.
Protection Against Breaches
Even if the server is breached, your data remains safe since the attackers only get the encrypted data.
Real Privacy
Client side encryption is designed in such a way to offer true privacy and your data is encrypted before it leaves your device.
Reduced Reliance
You do not need to rely on the service provider's policies or promises regarding your data and private files.