Security – Cisco Blog

Cisco and Nvidia: Redefining Workload Security

There has been an exponential increase in breaches within enterprises despite the carefully constructed and controlled perimeters that exist around applications and data. Once an attacker can access… Read more on Cisco Blogs

The Hacker News

Glupteba Botnet Evades Detection with Undocumented UEFI Bootkit

The Glupteba botnet has been found to incorporate a previously undocumented Unified Extensible Firmware Interface (UEFI) bootkit feature, adding another layer of sophistication and stealth to the malware. "This bootkit can intervene and control the [operating system] boot process, enabling Glupteba to hide itself and create a stealthy persistence that can be extremely difficult to

The Hacker News

PixieFail UEFI Flaws Expose Millions of Computers to RCE, DoS, and Data Theft

Multiple security vulnerabilities have been disclosed in the TCP/IP network protocol stack of an open-source reference implementation of the Unified Extensible Firmware Interface (UEFI) specification used widely in modern computers. Collectively dubbed PixieFail by Quarkslab, the nine issues reside in the TianoCore EFI Development Kit II (EDK II) and could be exploited to

The Hacker News

LogoFAIL: UEFI Vulnerabilities Expose Devices to Stealth Malware Attacks

The Unified Extensible Firmware Interface (UEFI) code from various independent firmware/BIOS vendors (IBVs) has been found vulnerable to potential attacks through high-impact flaws in image parsing libraries embedded into the firmware. The shortcomings, collectively labeled LogoFAIL by Binarly, "can be used by threat actors to deliver a malicious payload and bypass Secure Boot, Intel

The Hacker News

NSA Releases Guide to Combat Powerful BlackLotus Bootkit Targeting Windows Systems

The U.S. National Security Agency (NSA) on Thursday released guidance to help organizations detect and prevent infections of a Unified Extensible Firmware Interface (UEFI) bootkit called BlackLotus. To that end, the agency is recommending that "infrastructure owners take action by hardening user executable policies and monitoring the integrity of the boot partition." BlackLotus is an advanced 

The Hacker News

Critical Firmware Vulnerability in Gigabyte Systems Exposes ~7 Million Devices

Cybersecurity researchers have found "backdoor-like behavior" within Gigabyte systems, which they say enables the UEFI firmware of the devices to drop a Windows executable and retrieve updates in an unsecure format. Firmware security firm Eclypsium said it first detected the anomaly in April 2023. Gigabyte has since acknowledged and addressed the issue. "Most Gigabyte firmware includes a Windows

The Hacker News

MSI Data Breach: Private Code Signing Keys Leaked on the Dark Web

The threat actors behind the ransomware attack on Taiwanese PC maker MSI last month have leaked the company's private code signing keys on their dark website. "Confirmed, Intel OEM private key leaked, causing an impact on the entire ecosystem," Alex Matrosov, founder and CEO of firmware security firm Binarly, said in a tweet over the weekend. "It appears that Intel Boot Guard may not be