cyber security updates

MEMS Gyroscope Ultrasonic Covert Channel

New Air-Gap Attack Uses MEMS Gyroscope Ultrasonic Covert Channel to Leak Data

A novel data exfiltration technique has been found to leverage a covert ultrasonic channel to leak sensitive information from isolated, air-gapped computers to a nearby smartphone that doesn’t even require a microphone to pick up the sound waves. Dubbed GAIROSCOPE, the adversarial model is the latest addition to a long list of acoustic, electromagnetic, optical, …

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Microsoft

Microsoft Releases Fix for Zero-Day Flaw in July 2022 Security Patch Rollout

Microsoft released its monthly round of Patch Tuesday updates to address 84 new security flaws spanning multiple product categories, counting a zero-day vulnerability that’s under active attack in the wild. Of the 84 shortcomings, four are rated Critical, and 80 are rated Important in severity. Also separately resolved by the tech giant are two other …

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Hacking Smartphones with Hermit Spyware

Google Says ISPs Helped Attackers Infect Targeted Smartphones with Hermit Spyware

A week after it emerged that a sophisticated mobile spyware dubbed Hermit was used by the government of Kazakhstan within its borders, Google said it has notified Android users of infected devices. Additionally, necessary changes have been implemented in Google Play Protect — Android’s built-in malware defense service — to protect all users, Benoit Sevens …

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Apple M1 CPUs

MIT Researchers Discover New Flaw in Apple M1 CPUs That Can’t Be Patched

A novel hardware attack dubbed PACMAN has been demonstrated against Apple’s M1 processor chipsets, potentially arming a malicious actor with the capability to gain arbitrary code execution on macOS systems. It leverages “speculative execution attacks to bypass an important memory protection mechanism, ARM Pointer Authentication, a security feature that is used to enforce pointer integrity,” …

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