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Tag: channel attack

  • Slashdot: AMD Warns of New Meltdown, Spectre-like Bugs Affecting CPUs

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    Kurt Seifried
    in

    Source URL: https://it.slashdot.org/story/25/07/09/1835230/amd-warns-of-new-meltdown-spectre-like-bugs-affecting-cpus Source: Slashdot Title: AMD Warns of New Meltdown, Spectre-like Bugs Affecting CPUs Feedly Summary: AI Summary and Description: Yes Summary: AMD has identified a newly discovered side-channel attack, known as the Transient Scheduler Attack (TSA), which poses a potential information disclosure risk across a variety of its chip models. Although the vulnerabilities…

  • The Register: AMD warns of new Meltdown, Spectre-like bugs affecting CPUs

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    Kurt Seifried
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    Source URL: https://www.theregister.com/2025/07/09/amd_tsa_side_channel/ Source: The Register Title: AMD warns of new Meltdown, Spectre-like bugs affecting CPUs Feedly Summary: Low-severity bugs but infosec pros claim they are a ‘critical’ overall threat – patch accordingly AMD is warning users of a newly discovered form of side-channel attack affecting a broad range of its chips that could lead…

  • Schneier on Security: Regulating AI Behavior with a Hypervisor

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    Kurt Seifried
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    Source URL: https://www.schneier.com/blog/archives/2025/04/regulating-ai-behavior-with-a-hypervisor.html Source: Schneier on Security Title: Regulating AI Behavior with a Hypervisor Feedly Summary: Interesting research: “Guillotine: Hypervisors for Isolating Malicious AIs.” Abstract:As AI models become more embedded in critical sectors like finance, healthcare, and the military, their inscrutable behavior poses ever-greater risks to society. To mitigate this risk, we propose Guillotine, a…

  • Slashdot: Chrome To Patch Decades-Old ‘Browser History Sniffing’ Flaw That Let Sites Peek At Your History

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    Kurt Seifried
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    Source URL: https://yro.slashdot.org/story/25/04/12/2054251/chrome-to-patch-decades-old-browser-history-sniffing-flaw-that-let-sites-peek-at-your-history?utm_source=rss1.0mainlinkanon&utm_medium=feed Source: Slashdot Title: Chrome To Patch Decades-Old ‘Browser History Sniffing’ Flaw That Let Sites Peek At Your History Feedly Summary: AI Summary and Description: Yes Summary: The article discusses a significant update in the Chrome browser that aims to mitigate a long-standing privacy attack known as “browser history sniffing.” This side-channel attack…

  • The Register: Chrome to patch decades-old flaw that let sites peek at your history

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    Kurt Seifried
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    Source URL: https://www.theregister.com/2025/04/07/chrome_135_history_sniffing/ Source: The Register Title: Chrome to patch decades-old flaw that let sites peek at your history Feedly Summary: After 23 years, the privacy plumber has finally arrived to clean up this mess A 23-year-old side-channel attack for spying on people’s web browsing histories will get shut down in the forthcoming Chrome 136,…

  • Hacker News: Constant-Time Code: The Pessimist Case [pdf]

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    Kurt Seifried
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    Source URL: https://eprint.iacr.org/2025/435.pdf Source: Hacker News Title: Constant-Time Code: The Pessimist Case [pdf] Feedly Summary: Comments AI Summary and Description: Yes Summary: The text discusses the challenges and pessimistic outlook surrounding the implementation of constant-time coding in cryptographic software, especially in the light of modern compiler optimization techniques and the increasing complexity of CPU architectures.…

  • Hacker News: Syd: An Introduction to Secure Application Sandboxing for Linux [video]

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    Kurt Seifried
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    Source URL: https://fosdem.org/2025/schedule/event/fosdem-2025-4176-syd-an-introduction-to-secure-application-sandboxing-for-linux/ Source: Hacker News Title: Syd: An Introduction to Secure Application Sandboxing for Linux Feedly Summary: Comments AI Summary and Description: Yes Summary: The text introduces Syd, a GPL-3 licensed application kernel for Linux, designed for securing applications through advanced sandboxing techniques. Its modern architecture and features address critical vulnerabilities and enhance security…

  • The Register: SLAP, Apple, and FLOP: Safari, Chrome at risk of data theft on iPhone, Mac Silicon

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    Kurt Seifried
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    Source URL: https://www.theregister.com/2025/01/29/flop_and_slap_attacks_apple_silicon/ Source: The Register Title: SLAP, Apple, and FLOP: Safari, Chrome at risk of data theft on iPhone, Mac Silicon Feedly Summary: It’s another cousin of Spectre, here to read your email, browsing history, and more Many recent Apple laptops, desktops, tablets, and phones powered by Cupertino’s homegrown Silicon processors can be exploited…

  • Slashdot: Apple Chips Can Be Hacked To Leak Secrets From Gmail, ICloud, and More

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    Kurt Seifried
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    Source URL: https://it.slashdot.org/story/25/01/28/2140207/apple-chips-can-be-hacked-to-leak-secrets-from-gmail-icloud-and-more?utm_source=rss1.0mainlinkanon&utm_medium=feed Source: Slashdot Title: Apple Chips Can Be Hacked To Leak Secrets From Gmail, ICloud, and More Feedly Summary: AI Summary and Description: Yes Summary: The text discusses newly discovered vulnerabilities in Apple-designed chips that potentially leak sensitive data through side-channel attacks leveraging speculative execution. It highlights significant security issues that pose risks…

  • Hacker News: New Speculative Attacks on Apple CPUs

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    Kurt Seifried
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    Source URL: https://predictors.fail/ Source: Hacker News Title: New Speculative Attacks on Apple CPUs Feedly Summary: Comments AI Summary and Description: Yes Summary: The text discusses side-channel attacks, which exploit hardware-level vulnerabilities to extract sensitive information, highlighting the risks associated with shared CPU resources. This is particularly relevant for security professionals focused on hardware security and…