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Category — chipset vulnerability
7 New Flaws Affect All Thunderbolt-equipped Computers Sold in the Last 9 Years

7 New Flaws Affect All Thunderbolt-equipped Computers Sold in the Last 9 Years

May 11, 2020
A cybersecurity researcher today uncovers a set of 7 new unpatchable hardware vulnerabilities that affect all desktops and laptops sold in the past 9 years with Thunderbolt, or Thunderbolt-compatible USB-C ports. Collectively dubbed 'ThunderSpy,' the vulnerabilities can be exploited in 9 realistic evil-maid attack scenarios, primarily to steal data or read/write all of the system memory of a locked or sleeping computer—even when drives are protected with full disk encryption. In a nutshell, if you think someone with a few minutes of physical access to your computer—regardless of the location—can cause any form of significant harm to you, you're at risk for an evil maid attack. According to Björn Ruytenberg of the Eindhoven University of Technology, the ThunderSpy attack "may require opening a target laptop's case with a screwdriver, [but] it leaves no trace of intrusion and can be pulled off in just a few minutes." In other words, the flaw is not li...
Unpatchable 'Starbleed' Bug in FPGA Chips Exposes Critical Devices to Hackers

Unpatchable 'Starbleed' Bug in FPGA Chips Exposes Critical Devices to Hackers

Apr 21, 2020
A newly discovered unpatchable hardware vulnerability in Xilinx programmable logic products could allow an attacker to break bitstream encryption, and clone intellectual property, change the functionality, and even implant hardware Trojans. The details of the attacks against Xilinx 7-Series and Virtex-6 Field Programmable Gate Arrays ( FPGAs ) have been covered in a paper titled " The Unpatchable Silicon: A Full Break of the Bitstream Encryption of Xilinx 7-Series FPGAs " by a group of academics from the Horst Goertz Institute for IT Security and Max Planck Institute for Cyber Security and Privacy. "We exploit a design flaw which piecewise leaks the decrypted bitstream," the researchers said. "In the attack, the FPGA is used as a decryption oracle, while only access to a configuration interface is needed. The attack does not require any sophisticated tools and, depending on the target system, can potentially be launched remotely." The findings wil...
How AI Is Transforming IAM and Identity Security

How AI Is Transforming IAM and Identity Security

Nov 15, 2024Machine Learning / Identity Security
In recent years, artificial intelligence (AI) has begun revolutionizing Identity Access Management (IAM), reshaping how cybersecurity is approached in this crucial field. Leveraging AI in IAM is about tapping into its analytical capabilities to monitor access patterns and identify anomalies that could signal a potential security breach. The focus has expanded beyond merely managing human identities — now, autonomous systems, APIs, and connected devices also fall within the realm of AI-driven IAM, creating a dynamic security ecosystem that adapts and evolves in response to sophisticated cyber threats. The Role of AI and Machine Learning in IAM AI and machine learning (ML) are creating a more robust, proactive IAM system that continuously learns from the environment to enhance security. Let's explore how AI impacts key IAM components: Intelligent Monitoring and Anomaly Detection AI enables continuous monitoring of both human and non-human identities , including APIs, service acc...
BMC Vulnerabilities Expose Supermicro Servers to Remote USB-Attacks

BMC Vulnerabilities Expose Supermicro Servers to Remote USB-Attacks

Sep 03, 2019
Enterprise servers powered by Supermicro motherboards can remotely be compromised by virtually plugging in malicious USB devices, cybersecurity researchers at firmware security company Eclypsium told The Hacker News. Yes, that's correct. You can launch all types of USB attacks against vulnerable Supermicro servers without actually physically accessing them or waiting for your victim to pick up an unknown, untrusted USB drive and plug it into their computer. Collectively dubbed " USBAnywhere ," the attack leverages several newly discovered vulnerabilities in the firmware of BMC controllers that could let an unauthorized, remote attacker connect to a Supermicro server and virtually mount malicious USB device. Comes embedded with a majority of server chipsets, a baseboard management controller (BMC) is a hardware chip at the core of Intelligent Platform Management Interface (IPMI) utilities that allows sysadmins to remotely control and monitor a server without havin...
cyber security

Creating, Managing and Securing Non-Human Identities

websitePermisoCybersecurity / Identity Security
A new class of identities has emerged alongside traditional human users: non-human identities (NHIs). Permiso Security's new eBook details everything you need to know about managing and securing non-human identities, and strategies to unify identity security without compromising agility.
Microsoft's Meltdown Patch Made Windows 7 PCs More Insecure

Microsoft's Meltdown Patch Made Windows 7 PCs More Insecure

Mar 29, 2018
Meltdown CPU vulnerability was bad, and Microsoft somehow made the flaw even worse on its Windows 7, allowing any unprivileged, user-level application to read content from and even write data to the operating system's kernel memory. For those unaware, Spectre and Meltdown were security flaws disclosed by researchers earlier this year in processors from Intel, ARM, and AMD, leaving nearly every PC, server, and mobile phone on the planet vulnerable to data theft. Shortly after the researchers disclosed the Spectre and Meltdown exploits , software vendors, including Microsoft, started releasing patches for their systems running a vulnerable version of processors. However, an independent Swedish security researcher Ulf Frisk found that Microsoft's security fixes to Windows 7 PCs for the Meltdown flaw—which could allow attackers to read kernel memory at a speed of 120 KBps—is now allowing attackers to read the same kernel memory at a speed of Gbps, making the issue even wo...
13 Critical Flaws Discovered in AMD Ryzen and EPYC Processors

13 Critical Flaws Discovered in AMD Ryzen and EPYC Processors

Mar 13, 2018
Security researchers claimed to have discovered 13 critical Spectre/Meltdown -like vulnerabilities throughout AMD's Ryzen and EPYC lines of processors that could allow attackers to access sensitive data, install persistent malware inside the chip, and gain full access to the compromised systems. All these vulnerabilities reside in the secure part of the AMD's Zen architecture processors and chipsets—typically where device stores sensitive information such as passwords and encryption keys and makes sure nothing malicious is running when you start your PC. The alleged vulnerabilities are categorized into four classes—RYZENFALL, FALLOUT, CHIMERA, and MASTERKEY—and threaten wide-range of servers, workstations, and laptops running vulnerable AMD Ryzen, Ryzen Pro, Ryzen Mobile or EPYC processors. Discovered by a team of researchers at Israel-based CTS-Labs, newly disclosed  unpatched vulnerabilities defeat AMD's Secure Encrypted Virtualization (SEV) technology and could ...
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