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Mysk 🇨🇦🇩🇪

@mysk_co • 20,653 subscribers

We're two #iOS developers and occasional #security researchers on two continents. #CyberSecurity 📝https://t.co/69k7WAphKl 🇨🇦🇩🇪 Current Project: @psylo_app

Shorts

Starting in iOS 26, Apple apps seem to access contacts more aggressively. A new app/process called "ShortcutsActions" sticks out. It accesses contacts very frequently, even when the #iPhone is locked. #iOS built-in apps can access protected resources without user's permission.

Starting in iOS 26, Apple apps seem to access contacts more aggressively. A new app/process called "ShortcutsActions" sticks out. It accesses contacts very frequently, even when the #iPhone is locked. #iOS built-in apps can access protected resources without user's permission.

184,716 次观看

I think this may be one of the last traces of Jobs-era Mac OS X design Favourites go poof! 💨 I miss the whimsy in UI design, in everything really

I think this may be one of the last traces of Jobs-era Mac OS X design Favourites go poof! 💨 I miss the whimsy in UI design, in everything really

124,982 次观看

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😱 iOS 26.4.2 still leaks the real IP when updating VPN apps. Motivated by Mullvad's recent blog, we made a website that logs the iPhone IP every second. We started Mullvad VPN, opened the website, then let Mullvad updated in the background. See the leaks in action.. 🤯

😱 iOS 26.4.2 still leaks the real IP when updating VPN apps. Motivated by Mullvad's recent blog, we made a website that logs the iPhone IP every second. We started Mullvad VPN, opened the website, then let Mullvad updated in the background. See the leaks in action.. 🤯

Mysk 🇨🇦🇩🇪

728,128 次观看 • 2 个月前

🚨PSA: If you think you're a targeted individual, don't install macOS apps from the web. macOS code signing and TCC are broken. We accidentally found a bug that lets any command modify the binaries of other apps, including Signal, Brave, Chrome, and even Xcode. Watch the demo👇 This happens entirely in the background, with no password prompts or visible alerts. The modified binaries can then access the original app's keychain records and protected containers. We reported this to Apple two weeks ago and haven't received a response. We previously said we wouldn't contact Apple's bounty program again, but we believe it's necessary in this case to help protect Mac users. It affects macOS 26 and 27. This bug doesn't impact apps downloaded from the Mac App Store. Many developers distribute apps on the web instead because Apple controls the App Store's review process and payment methods.

🚨PSA: If you think you're a targeted individual, don't install macOS apps from the web. macOS code signing and TCC are broken. We accidentally found a bug that lets any command modify the binaries of other apps, including Signal, Brave, Chrome, and even Xcode. Watch the demo👇 This happens entirely in the background, with no password prompts or visible alerts. The modified binaries can then access the original app's keychain records and protected containers. We reported this to Apple two weeks ago and haven't received a response. We previously said we wouldn't contact Apple's bounty program again, but we believe it's necessary in this case to help protect Mac users. It affects macOS 26 and 27. This bug doesn't impact apps downloaded from the Mac App Store. Many developers distribute apps on the web instead because Apple controls the App Store's review process and payment methods.

Mysk 🇨🇦🇩🇪

95,456 次观看 • 23 天前

🚨 iMessages in iOS 26 leaks the sender's keyboard language when sending reactions to devices with iOS 17 or older, and Android phones via RCS! 😱 #privacy #Apple #iOS26

🚨 iMessages in iOS 26 leaks the sender's keyboard language when sending reactions to devices with iOS 17 or older, and Android phones via RCS! 😱 #privacy #Apple #iOS26

Mysk 🇨🇦🇩🇪

949,552 次观看 • 9 个月前

😎🔬 Proton VPN just got updated. When iOS updated the app with the kill switch on, it was a total mess: iOS blocked internet for nearly 6 minutes, then terminated the app and its VPN tunnel, exposing iPhone traffic and IP. The VPN required a manual restart 😠. Watch this demo:

😎🔬 Proton VPN just got updated. When iOS updated the app with the kill switch on, it was a total mess: iOS blocked internet for nearly 6 minutes, then terminated the app and its VPN tunnel, exposing iPhone traffic and IP. The VPN required a manual restart 😠. Watch this demo:

Mysk 🇨🇦🇩🇪

178,413 次观看 • 2 个月前

iOS 0 Android 1 On Android, it is possible to update a VPN app while its tunnel is active and still get no traffic leaks 👍

iOS 0 Android 1 On Android, it is possible to update a VPN app while its tunnel is active and still get no traffic leaks 👍

Mysk 🇨🇦🇩🇪

99,860 次观看 • 1 个月前

VPN is still broken in iPadOS 27 and iOS 27 (beta 1). The device's real IP leaks during updating a VPN app while it is active. A website that periodically prints the IP was used to illustrate the leakage, Mullvad VPN used as an example👇

VPN is still broken in iPadOS 27 and iOS 27 (beta 1). The device's real IP leaks during updating a VPN app while it is active. A website that periodically prints the IP was used to illustrate the leakage, Mullvad VPN used as an example👇

Mysk 🇨🇦🇩🇪

40,163 次观看 • 1 个月前

Signal Desktop is not secure. With every vulnerability we discover on macOS, we find Signal Desktop to be an easy target. In this video, we show how a Signal session can be stolen and restored on a remote Mac without the user being aware. Only use Signal on iPhone or Android

Signal Desktop is not secure. With every vulnerability we discover on macOS, we find Signal Desktop to be an easy target. In this video, we show how a Signal session can be stolen and restored on a remote Mac without the user being aware. Only use Signal on iPhone or Android

Mysk 🇨🇦🇩🇪

36,948 次观看 • 2 个月前

Since iOS 18 launched, the new Passwords app has been using unencrypted HTTP to download icons for password entries—a potential #security risk. We reported this bug to #Apple in September, and it’s finally fixed in #iOS 18.2 (CVE-2024-54492). Why does this matter? Watch 🎬 :

Since iOS 18 launched, the new Passwords app has been using unencrypted HTTP to download icons for password entries—a potential #security risk. We reported this bug to #Apple in September, and it’s finally fixed in #iOS 18.2 (CVE-2024-54492). Why does this matter? Watch 🎬 :

Mysk 🇨🇦🇩🇪

156,358 次观看 • 1 年前

Found another example: iTunes Store Zero Liquid Glass and untouched since the iOS 7 flattening, but still you can get the latest Taylor Swift album The best part: the app still lets you customise the bottom tab bar, a feature that existed when iOS was still called iPhone OS

Found another example: iTunes Store Zero Liquid Glass and untouched since the iOS 7 flattening, but still you can get the latest Taylor Swift album The best part: the app still lets you customise the bottom tab bar, a feature that existed when iOS was still called iPhone OS

Mysk 🇨🇦🇩🇪

80,667 次观看 • 9 个月前

Forget about switching off "Share Analytics Data" in Pages settings. Keynote, Numbers, and Pages share it regardless of your choice. #Privacy #Apple

Forget about switching off "Share Analytics Data" in Pages settings. Keynote, Numbers, and Pages share it regardless of your choice. #Privacy #Apple

Mysk 🇨🇦🇩🇪

25,398 次观看 • 5 个月前

This is how you choose a default browser in iOS 17.4 in the EU. The prompt shows a list of browser options. Tapping on a browser option opens the browser's page on the App Store. What happens if any of these browsers is only available on an alternative marketplace?

This is how you choose a default browser in iOS 17.4 in the EU. The prompt shows a list of browser options. Tapping on a browser option opens the browser's page on the App Store. What happens if any of these browsers is only available on an alternative marketplace?

Mysk 🇨🇦🇩🇪

13,023 次观看 • 2 年前

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