An Accidental Discovery: A Lesson in Privacy and Security

HaystackID - An Accidental Discovery: A Lesson in Privacy and Security
Image: HaystackID Team with AI.

[EDRM Editor’s Note: This article was first published here on July 15, 2024, and EDRM is grateful to Trusted Partner HaystackID for permission to republish.]


HaystackID Editor’s Note: In this article, HaystackID’s digital forensic experts, John Wilson, and Rene Novoa, highlight a critical issue in digital privacy. Their discovery of Apple’s iOS syncing feature highlights the need for thorough technology testing and verification. As we adopt new features like iOS 18’s integration with OpenAI and ChatGPT, it’s crucial not to ignore potential security risks. Wilson and Novoa encourage users to stay alert and proactive in managing their data privacy settings. The duo also calls for closer examination and improvements in device functionality to ensure users control their data. Wilson and Novoa’s findings emphasize the ongoing need for innovation and care in the digital world.


By John Wilson, CTCE, FDACS, Chief Information Security Officer and President of Forensics, HaystackID, and Rene Novoa, CCLO, CCPA, CJED, Vice President of Forensics, HaystackID

In our changing digital world, privacy and security remain top priorities. Today, we want to share a recent discovery that highlights an often-overlooked issue: controlling data syncing on Apple devices.

Let’s dive into this eye-opening experience and its implications.

The Discovery

In a twist of events, we recently stumbled upon a fascinating yet alarming discovery about Apple’s iOS. This coincided with Apple’s keynote announcement of iOS 18, which introduced the integration of OpenAI and ChatGPT, along with enhanced security features. While these advancements are exciting, they made us wonder if certain critical aspects, particularly those related to privacy and security, were overlooked.

Privacy and security are at the forefront of many conversations, especially when it comes to compliance and regulatory requirements. However, some basic functionalities within Apple’s iOS seem to be ignored. One issue that has been particularly concerning is the fact that once the Sync feature is turned on, it may not be easily turned off. This has potential ramifications in both the workplace and for individual consumers.

Unveiling the Issue

We encountered a puzzling situation while conducting tests in our forensics lab with an iPhone 13 running iOS 17.5 and a MacBook Pro with macOS Sonoma 14.2. We had logged into both devices using the same iCloud account and were exchanging messages with a colleague.

We noticed that we were still receiving messages from our colleagues on both the iPhone and the MacBook. This was perplexing because syncing was supposed to be disabled.

John Wilson and Rene Novoa, HaystackID.

During the testing, we decided to disable the sync option on the iPhone by navigating to Username >> iCloud >> Messages in iCloud >> and turning off the feature. However, we noticed that we were still receiving messages from our colleagues on both the iPhone and the MacBook. This was perplexing because syncing was supposed to be disabled, yet the messages continued to be broadcast to both devices.

Troubleshooting the Issue

Intrigued and concerned, we were determined to investigate this anomaly further. We attempted several troubleshooting steps:

  • Turned off syncing on the iPhone
  • Turned off syncing on the MacBook
  • Turned off syncing on both devices simultaneously
  • Selected “Disable All” and “Disable This Device” options

Despite these efforts, messages continued to sync across both devices. We also rebooted both the iPhone and the MacBook, and though the sync settings remained off, the messages kept coming through.

Next, we turned off the mobile device and sent messages solely from the MacBook to our colleague. After exchanging several messages, we turned the iPhone back on and found that the messages had indeed resynced to the mobile device.

At the time of writing this article, we have yet to find a way to completely disable the sync feature short of logging out of the iCloud account altogether. However, this only works if you remain logged out. As soon as we logged back into the iCloud account, messages began to sync again.

Security Implications

This discovery raises significant security concerns. Consumers believe they have control over their data, including how it is created, stored, and shared. However, our experience suggests otherwise. Despite following all recommended steps to stop message syncing, the devices continued to sync messages.

Practical Takeaways

Before embracing new technologies, we need to ensure they are not opening risks elsewhere. Here are a few simple steps:

  • Verify Sync Settings: Regularly check your device’s sync settings to ensure they align with your privacy and security needs.
  • Test Thoroughly: Always perform thorough testing and verification, especially for features that impact user privacy and security.
  • Stay Informed: Keep up with the latest updates and changes in your device’s operating system to understand potential security implications.

As exciting as the advancements in AI and security features in iOS 18 may be, it is crucial not to overlook the potential privacy and security issues that preceded them. The ability to control data syncing and sharing should be straightforward and reliable. Our experience highlights the need for further scrutiny, and perhaps improvements in these areas, to ensure that consumers truly have control over their data. This accidental discovery serves as a reminder of the importance of thorough testing and verification, especially features that directly impact user privacy and security.

Until next time, stay curious and keep digging!

Read the original release here.


About HaystackID®

HaystackID solves complex data challenges related to legal, compliance, regulatory, and cyber events. Core offerings include Global Advisory, Data Discovery Intelligence, HaystackID Core® Platform, and AI-enhanced Global Managed Review powered by its proprietary platform, ReviewRight®. Repeatedly recognized as one of the world’s most trusted legal industry providers by prestigious publishers such as Chambers, Gartner, IDC, and Legaltech News, HaystackID implements innovative cyber discovery, enterprise solutions, and legal and compliance offerings to leading companies and legal practices around the world. HaystackID offers highly curated and customized offerings while prioritizing security, privacy, and integrity. For more information about how HaystackID can help solve unique legal enterprise needs, please visit HaystackID.com.

Source: HaystackID

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