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Canadian Citizen Gets Phone Back from Police

After 175 million failed password guesses, a judge rules that the Canadian police must return a suspect’s phone.

[Judge] Carter said the investigation can continue without the phones, and he noted that Ottawa police have made a formal request to obtain more data from Google.

“This strikes me as a potentially more fruitful avenue of investigation than using brute force to enter the phones,” he said.

Posted on January 18, 2024 at 7:02 AMView Comments

Code Written with AI Assistants Is Less Secure

Interesting research: “Do Users Write More Insecure Code with AI Assistants?“:

Abstract: We conduct the first large-scale user study examining how users interact with an AI Code assistant to solve a variety of security related tasks across different programming languages. Overall, we find that participants who had access to an AI assistant based on OpenAI’s codex-davinci-002 model wrote significantly less secure code than those without access. Additionally, participants with access to an AI assistant were more likely to believe they wrote secure code than those without access to the AI assistant. Furthermore, we find that participants who trusted the AI less and engaged more with the language and format of their prompts (e.g. re-phrasing, adjusting temperature) provided code with fewer security vulnerabilities. Finally, in order to better inform the design of future AI-based Code assistants, we provide an in-depth analysis of participants’ language and interaction behavior, as well as release our user interface as an instrument to conduct similar studies in the future.

At least, that’s true today, with today’s programmers using today’s AI assistants. We have no idea what will be true in a few months, let alone a few years.

Posted on January 17, 2024 at 7:14 AMView Comments

On IoT Devices and Software Liability

New law journal article:

Smart Device Manufacturer Liability and Redress for Third-Party Cyberattack Victims

Abstract: Smart devices are used to facilitate cyberattacks against both their users and third parties. While users are generally able to seek redress following a cyberattack via data protection legislation, there is no equivalent pathway available to third-party victims who suffer harm at the hands of a cyberattacker. Given how these cyberattacks are usually conducted by exploiting a publicly known and yet un-remediated bug in the smart device’s code, this lacuna is unreasonable. This paper scrutinises recent judgments from both the Supreme Court of the United Kingdom and the Supreme Court of the Republic of Ireland to ascertain whether these rulings pave the way for third-party victims to pursue negligence claims against the manufacturers of smart devices. From this analysis, a narrow pathway, which outlines how given a limited set of circumstances, a duty of care can be established between the third-party victim and the manufacturer of the smart device is proposed.

Posted on January 12, 2024 at 7:03 AMView Comments

Facial Scanning by Burger King in Brazil

In 2000, I wrote: “If McDonald’s offered three free Big Macs for a DNA sample, there would be lines around the block.”

Burger King in Brazil is almost there, offering discounts in exchange for a facial scan. From a marketing video:

“At the end of the year, it’s Friday every day, and the hangover kicks in,” a vaguely robotic voice says as images of cheeseburgers glitch in and out over fake computer code. “BK presents Hangover Whopper, a technology that scans your hangover level and offers a discount on the ideal combo to help combat it.” The stunt runs until January 2nd.

Posted on January 10, 2024 at 7:05 AMView Comments

PIN-Stealing Android Malware

This is an old piece of malware—the Chameleon Android banking Trojan—that now disables biometric authentication in order to steal the PIN:

The second notable new feature is the ability to interrupt biometric operations on the device, like fingerprint and face unlock, by using the Accessibility service to force a fallback to PIN or password authentication.

The malware captures any PINs and passwords the victim enters to unlock their device and can later use them to unlock the device at will to perform malicious activities hidden from view.

Posted on January 9, 2024 at 7:03 AMView Comments

Sidebar photo of Bruce Schneier by Joe MacInnis.