Showing only posts by Bruce Schneier. Show all posts.

New Linux Rootkit

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Interesting : The company has released a working rootkit called “Curing” that uses io_uring, a feature built into the Linux kernel, to stealthily perform malicious activities without being caught by many of the detection solutions currently on the market. At the heart of the issue is the heavy reliance on …

Regulating AI Behavior with a Hypervisor

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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 hypervisor architecture for sandboxing powerful AI models—models that …

Age Verification Using Facial Scans

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Discord is testing the feature: “We’re currently running tests in select regions to age-gate access to certain spaces or user settings,” a spokesperson for Discord said in a statement. “The information shared to power the age verification method is only used for the one-time age verification process and …

CVE Program Almost Unfunded

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Mitre’s CVE’s program—which provides common naming and other informational resources about cybersecurity vulnerabilities—was about to be cancelled, as the US Department of Homeland Security failed to renew the contact. It was funded for eleven more months at the last minute. This is a big deal …

China Sort of Admits to Being Behind Volt Typhoon

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The Wall Street Journal has the story : Chinese officials acknowledged in a secret December meeting that Beijing was behind a widespread series of alarming cyberattacks on U.S. infrastructure, according to people familiar with the matter, underscoring how hostilities between the two superpowers are continuing to escalate. The Chinese …

AI Vulnerability Finding

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Microsoft is reporting that its AI systems are able to find new vulnerabilities in source code: Microsoft discovered eleven vulnerabilities in GRUB2, including integer and buffer overflows in filesystem parsers, command flaws, and a side-channel in cryptographic comparison. Additionally, 9 buffer overflows in parsing SquashFS, EXT4, CramFS, JFFS2, and …

Arguing Against CALEA

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At a Congressional hearing earlier this week, Matt Blaze made the point that CALEA, the 1994 law that forces telecoms to make phone calls wiretappable, is outdated in today’s threat environment and should be rethought: In other words, while the legally-mandated CALEA capability requirements have changed little over …

Rational Astrologies and Security

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John Kelsey and I wrote a short paper for the Rossfest Festschrift : “ Rational Astrologies and Security “: There is another non-security way that designers can spend their security budget: on making their own lives easier. Many of these fall into the category of what has been called rational astrology. First …

The Signal Chat Leak and the NSA

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US National Security Advisor Mike Waltz, who started the now-infamous group chat coordinating a US attack against the Yemen-based Houthis on March 15, is seemingly now suggesting that the secure messaging service Signal has security vulnerabilities. "I didn’t see this loser in the group," Waltz told Fox News …

AIs as Trusted Third Parties

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This is a truly fascinating paper: “ Trusted Machine Learning Models Unlock Private Inference for Problems Currently Infeasible with Cryptography.” The basic idea is that AIs can act as trusted third parties: Abstract: We often interact with untrusted parties. Prioritization of privacy can limit the effectiveness of these interactions, as …

More Countries are Demanding Backdoors to Encrypted Apps

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Last month, I wrote about the UK forcing Apple to break its Advanced Data Protection encryption in iCloud. More recently, both Sweden and France are contemplating mandating backdoors. Both initiatives are attempting to scare people into supporting backdoors, which are—of course—are terrible idea. Also: “ A Feminist Argument …

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