Cyber Defense Advisors

Month: February 2024

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  • February 14, 2024

Microsoft Rolls Out Patches for 73 Flaws, Including 2 Windows Zero-Days

Microsoft has released patches to address 73 security flaws spanning its software lineup as part of its Patch Tuesday updates for February 2024, including two zero-days that have come under active exploitation. Of the 73 vulnerabilities, 5 are rated Critical, 65 are rated Important, and three and rated Moderate in severity. This is in addition […]

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  • February 13, 2024

Fat Patch Tuesday, February 2024 Edition

Microsoft Corp. today pushed software updates to plug more than 70 security holes in its Windows operating systems and related products, including two zero-day vulnerabilities that are already being exploited in active attacks. Top of the heap on this Fat Patch Tuesday is CVE-2024-21412, a “security feature bypass” in the way Windows handles Internet Shortcut […]

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  • February 13, 2024

A Hacker’s Mind is Out in Paperback

The paperback version of A Hacker’s Mind has just been published. It’s the same book, only a cheaper format. But—and this is the real reason I am posting this—Amazon has significantly discounted the hardcover to $15 to get rid of its stock. This is much cheaper than I am selling it for, and cheaper even […]

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  • February 13, 2024

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 […]

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  • February 13, 2024

PikaBot Resurfaces with Streamlined Code and Deceptive Tactics

The threat actors behind the PikaBot malware have made significant changes to the malware in what has been described as a case of “devolution.” “Although it appears to be in a new development cycle and testing phase, the developers have reduced the complexity of the code by removing advanced obfuscation techniques and changing the network […]

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  • February 13, 2024

Molly White Reviews Blockchain Book

Molly White—of “Web3 is Going Just Great” fame—reviews Chris Dixon’s blockchain solutions book: Read Write Own: In fact, throughout the entire book, Dixon fails to identify a single blockchain project that has successfully provided a non-speculative service at any kind of scale. The closest he ever comes is when he speaks of how “for decades, […]

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  • February 13, 2024

Midnight Blizzard and Cloudflare-Atlassian Cybersecurity Incidents: What to Know

The Midnight Blizzard and Cloudflare-Atlassian cybersecurity incidents raised alarms about the vulnerabilities inherent in major SaaS platforms. These incidents illustrate the stakes involved in SaaS breaches — safeguarding the integrity of SaaS apps and their sensitive data is critical but is not easy. Common threat vectors such as sophisticated spear-phishing, misconfigurations and vulnerabilities in third-party […]

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  • February 13, 2024

Ivanti Vulnerability Exploited to Install ‘DSLog’ Backdoor on 670+ IT Infrastructures

Threat actors are leveraging a recently disclosed security flaw impacting Ivanti Connect Secure, Policy Secure, and ZTA gateways to deploy a backdoor codenamed DSLog on susceptible devices. That’s according to findings from Orange Cyberdefense, which said it observed the exploitation of CVE-2024-21893 within hours of the public release of the proof-the-concept (PoC) code. CVE-2024-21893, which […]

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  • February 13, 2024

Alert: CISA Warns of Active ‘Roundcube’ Email Attacks – Patch Now

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Monday added a medium-severity security flaw impacting Roundcube email software to its Known Exploited Vulnerabilities (KEV) catalog, based on evidence of active exploitation. The issue, tracked as CVE-2023-43770 (CVSS score: 6.1), relates to a cross-site scripting (XSS) flaw that stems from the handling of linkrefs in […]

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