Experts say these four file types should never go near your cloud storage and most people are ignoring that advice
Published on Jul 08, 2026 at 11:43 AM (UTC-4)
by Daisy Edwards
Last updated on Jul 08, 2026 at 11:43 AM (UTC-4)
Edited by
Emma Matthews

People are relying on cloud storage more than ever, but experts are warning that convenience could be putting your most sensitive data at risk, especially these four file types.
From family photos to important documents, many assume uploading everything to the cloud is the safest option.
However, that’s not always true, especially when it comes to certain things.
In fact, experts say there are four types of files you should never upload, yet most people are still doing exactly that.
These four file types should never go near your cloud storage
1. Password lists and login details
This advice might sound obvious, but it’s one of the most common mistakes people make.
Storing a file with all your passwords in one place is already risky, but putting it in the cloud makes it even worse.
If someone gains access to your account, they could instantly unlock everything from your email to your banking apps.
2. Financial documents
Bank statements, tax returns, and anything with account numbers or income details are a goldmine for hackers.
Even if cloud services have strong security, a breach or compromised account could expose highly sensitive financial data and open the door to identity theft.

3. Sensitive personal documents
This includes things like medical records, scans of passports, or any file containing personal identifying information.
Once these are uploaded, you lose a level of control over who might eventually access them.
If leaked, the consequences can be serious and long-lasting.
4. Private photos and videos
Many people don’t think twice about backing up their camera roll, but deeply personal images and videos can become a major privacy risk.
Automatic uploads mean some of your most private content could end up exposed if your account is ever compromised.

Don’t just upload it anyway
The issue isn’t that cloud storage is unsafe; it’s that people treat it like a one-size-fits-all solution.
In reality, it works best for files that wouldn’t cause serious harm if they were accessed by someone else.

Experts say the safest approach is to keep highly sensitive data stored offline or in secure, encrypted systems instead of relying entirely on the cloud.
It might take a little more effort, but it can save a lot of trouble in the long run.
Daisy is a technology and automotive journalist covering artificial intelligence, consumer tech, Apple news, cryptocurrency, emerging technologies, and transportation innovation. Since joining the team in 2025, she has reported on everything from AI-powered startups and major iOS updates to viral car stories and the latest developments shaping transportation and the digital economy. Drawing on her background in automotive journalism and a degree in History and Journalism from Goldsmiths, University of London, Daisy specializes in breaking down complex topics into clear, engaging reporting for a global audience. Her work spans cutting-edge technology, innovative vehicles, and the people driving change across both industries. Daisy has gained first-hand access to some of the world's most talked-about technologies and innovators, including meeting Tesla's Optimus humanoid robot during its first European appearance in London. She has also discussed the future of space exploration with an astronaut, bringing unique insights and real-world perspectives to her coverage of emerging technology.


