![]() ![]() In that case, you could accidentally give your credentials to an attacker, allowing them to bypass our end-to-end encryption. For example, suppose you get tricked into downloading a fake Proton Drive application or connecting to a fake Proton Drive website. While this makes a successful MITM attack much harder to pull off, it is not impossible, particularly if the target does not exercise good vigilance. Proton uses key pinning whenever possible to detect and block such attacks. Generally speaking, a successful MITM attack requires breaking TLS, typically by using a forged TLS certificate. Proton uses TLS to secure the delivery of our software to your browser and prevent attackers from tampering with our code en route. This is known as a man-in-the-middle (MITM) attack.įortunately, there are several ways to protect against MITM attacks. However, attackers could send you a modified version of Proton’s website or application and use this to learn your credentials. Certain man-in-the-middle attacksĪs discussed above, Proton Drive’s end-to-end encryption means an adversary cannot decrypt the data you send using Proton’s services. It’s impossible to provide an exhaustive list of all potential attacks, but below is an overview of the attack scenarios you’re most likely to encounter, particularly if you’re facing a sophisticated attacker like a state-backed actor. Proton Drive’s sophisticated encryption will protect your files against most threats, but even it cannot maintain your security in every situation. Proton Drive does not possess the encryption keys necessary to decrypt your files, meaning an attacker cannot steal them from us. Even if Proton Drive’s servers were compromised, its use of end-to-end encryption means your files will generally remain safe. Data breachesĭata breaches are becoming more and more common and affecting some of the world’s largest companies. ![]() Proton Drive has no advertising (even for our free cloud storage plan) and therefore no incentive to monetize your data. We have no way of reading your data or using it to build a profile on you for advertising purposes as Google does. Data abuseīecause of the encryption we use, we cannot abuse your privacy or monitor the data you keep on Proton Drive. However, Proton Drive’s use of end-to-end encryption means we cannot decrypt or hand over your files. In all cases, requests must comply with Swiss privacy laws, which are among the most stringent in the world. As a matter of policy, Switzerland will generally deny legal requests from foreign countries with poor human rights records. Under Swiss law, it’s illegal for Proton Drive to comply with requests for user data sent to us by foreign countries. Proton Drive protects all files with end-to-end encryption. Only you and the people you share your files with can access the keys required to decrypt the data. This means that if an attacker gains access to data flows between your device and our servers, they will not be able to decrypt your files. Proton’s services are designed to stop others from intercepting and decrypting your communications through their use of end-to-end encryption, which encrypts your files on your device and does not decrypt them until they reach their end destination. ![]() Proton Drive provides a high degree of protection in several key areas. Staying safe requires understanding the threats you face and the limitations of the technology you use. When it comes to privacy and security, defining a threat model is important because no single technology can be 100% effective. Last update on MaPublished on October 26, 2022 ![]()
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