Proton Mail Profile picture
Mar 6, 2023 6 tweets 4 min read Read on X
From your bank statements and travel documents, to your company’s financial data and customer details – you can easily make sure they don’t become exposed on the internet.

Here are some ways to protect your sensitive documents when exchanging them online 🧵👇 (1/6) An image of an open envelop...
Here's how you can protect the emails you send to recipients who don't use Proton Mail: proton.me/support/open-p…. (3/6) The image of a shield with ...
Use the in-built security mechanisms to protect your attached files with passwords too. (4/6) The image of a document wit...
Rather than including the document in your email, only include the link to the file stored on @ProtonDrive: proton.me/support/drive-…. (5/6) The image of  a  hard drive...
For more details check our blog: proton.me/blog/securely-…. (6/6) Proton: Privacy by default

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More from @ProtonMail

Jan 14
Under the guise of an easier workday and increased productivity, Google has been exposing more and more of its users to Gemini.

They say data won't be used for training, but Google hasn’t been reliable in the past.

So how do we get rid of this unwanted digital twin? ♊️

1/6
In Gmail:

- Go to Settings
- Select your Gmail address
- Clear the Smart features checkbox
- Go to Google Workspace smart features
- Clear the 2 Smart features... checkboxes

Workspace settings apply globally across Workspace and Drive, so these only need to be done once.

2/6
Want to make a longer-lasting change which will stop this from happening, even if they suddenly re-enable or introduce new AI features? Switch over to Proton Mail.

Gmail is offering 3bn users a “personal, proactive inbox assistant”.

It's free, so what's the catch?

3/6
Read 6 tweets
Oct 23, 2025
ChatGPT Atlas isn’t just another browser: it watches, infers, and acts on your behalf. Worryingly, there are still many open questions about how this product protects user data.

If you're curious about what that means for privacy, read on…

1/8
With this release, OpenAI has allowed ChatGPT access to browser memory, whilst also being an agent that can perform actions: filling out forms, opening pages, and other tasks.

OpenAI says these features are optional; they can be disabled, and memory can be erased.

2/8
Agentic AI can cause issues; Perplexity's Comet had a vulnerability called CometJacking, allowing malicious actors to hide instructions for the AI in URLs.

This could be used to extract data from email or calendars, download malicious files, even attempt to purchase things.

3/8
Read 8 tweets
Oct 22, 2025
Is the web too reliant on a few dominant cloud providers?

Recent events suggest that the answer is yes.

On Oct 20, 2025, a major AWS outage disrupted huge parts of the internet: Amazon, Slack, Reddit, ChatGPT, Canva, Fortnite, and more went offline.

1/7
AWS confirmed the root cause: DNS resolution issues in the US-EAST-1 region. The outage has since been resolved.

When Amazon, Google, Microsoft, or Meta experience failures, vast swathes of the web go dark.

We now have single points of failure at the infrastructure level.

2/7
There’s also a privacy angle: most apps and services host your data on Big Tech infrastructure.

That concentration of data raises risks of misuse, loss, or exposure.

The dependence also grants these platforms significant economic and political leverage.

3/7
Read 7 tweets
Aug 8, 2025
Instagram’s “Friend Map” sounds like a fun way for friends to share their location.

Unfortunately, Meta thinks your friends include Meta's own employees, advertisers, and cops.

Here’s why & how to turn it off 🧵

1/5 Image
“Friend Map” displays your live location to people you follow for 24 hours.

If you’ve ever tagged your location in a Story or Reel, there’s a good chance Instagram already has the green light to track you.

And they’re not just tracking you for fun… 👇

2/5
📍 Location data is gold:

– Advertisers buy it to target you 🔎
– Data brokers resell it 🤑
– Law enforcement can grab it without a warrant 👮

Here’s how to shut it down… 👇

3/5
Read 5 tweets
May 2, 2025
Fake CAPTCHA attacks are on the rise, causing many to fall prey to infostealers injecting malware onto their devices.

Here's how it works, and what you can do to stay safe

👇🧵 1/7 Image
How does it work?🦠

1️⃣ User lands on a fake CAPTCHA page, often via malicious ads or compromised sites

2️⃣ Clicking ‘I'm not a robot’ copies a PowerShell command

3️⃣ User is instructed to ‘Run’ the command by pasting it

4️⃣The command line downloads and executes the malware
2/7Image
What happens after? 🗃️

Once the malware has been installed, infostealers such as LummaC2 (and others) are free to start stealing your personal files, such as:

🔑 Login credentials
📈 Financial information
🙋‍♀️ Personal data
🌐 Browser data
💬 Emails & chat logs
🗂️ Images and documents
🚀 Crypto wallets
🖥️ Screenshots
3/7
Read 7 tweets
May 16, 2024
No one wants to be involved in a #databreach.

But, if you are, read this thread for some helpful tips to navigate the aftermath and regain control of your account.

We’ll do a part two on what to do if your data leaked.
⬇️ 1 / 9 Image
Check for unauthorised activity

Inspect your account for difficulty logging in, unfamiliar notifications, logins from unusual locations, or unauthorised purchases.

⬇️ 2 / 9
Contact support

If you cannot access your account, contact the provider’s customer support immediately.

⬇️ 3 / 9
Read 9 tweets

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