Netizen Blog and News
The Netizen team sharing expertise, insights and useful information in cybersecurity, compliance, and software assurance.
Category: Security
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The Common Vulnerability Scoring System (CVSS) serves as a standard for assessing the severity of computer system security vulnerabilities. Its latest iteration, CVSS version 4.0, was originally shown in a public preview on June 8, 2023, at the 35th Annual FIRST Conference in Montreal, and was officially launched in General Availability (GA) on November 1st,…
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The phrase “deepfake”, an amalgamation of the words “deep learning” and “fake,” is defined as any method of synthetic media, images, or video, that is manipulated in order to create a piece of media that conveys a different message. Using machine learning algorithms, malicious actors compile images and sounds from various sources, creating hoax videos…
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Intrusion Detection Systems (IDS) serve as a critical layer in the cybersecurity infrastructure of organizations. These systems monitor network traffic or host activities for malicious actions or policy violations. Deployed as software or hardware, IDS are categorized into Network Intrusion Detection Systems (NIDS) and Host Intrusion Detection Systems (HIDS). The former scrutinizes the traffic on…
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Security vulnerabilities are a common occurrence in managing any business’s organizational security. The prompt patching and remediation of any new vulnerabilities are critical to reducing the outside attack surface. Netizen’s Security Operations Center (SOC) has compiled five vulnerabilities from October that should be immediately patched or addressed if present in your environment. Detailed writeups below:…
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Overview: Phish Tale of the Week Often times phishing campaigns, created by malicious actors, target users by utilizing social engineering. For example, in this text message, the actors are appearing as USPS, the United States Postal Service, and informing you that action needs to be taken regarding your delivery. The message politely explains that “USPS”…
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Cisco IOS XE Software, a critical component of many Cisco network devices, has recently been found to have vulnerabilities in its Web UI feature. These vulnerabilities, if exploited, can provide attackers with significant access and control over affected devices. The vulnerabilities are particularly concerning for systems where the web UI feature is activated in the…
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The highly exploitable CVE-2023-4966 vulnerability in Citrix NetScaler at first glance proves incredibly dangerous to NetScaler environments. While initial analyses have highlighted the potential risk and exploitation scenarios, a deeper technical examination is essential to fully comprehend its intricacies and the subsequent steps for mitigation. Affected Products and Versions: Affected Product Affected Version Fixed Version…
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The GPU.zip vulnerability, discovered by researchers from Carnegie Mellon Software and Societal Systems and detailed in their research paper titled “GPU.zip: On the Side-Channel Implications of Hardware-Based Graphical Data Compression,” jeopardizes the security of numerous graphics processing units (GPUs). This side-channel attack exploits an inherent weakness associated with graphical data compression in integrated GPUs (iGPUs).…
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Ransomware is quickly becoming the largest cybersecurity threat, with major innovations in both technique and technology over the past few years creating a large and ever-persistent issue. With security researchers and cybersecurity professionals constantly repositioning to face off against new threats, ransomware gangs are forced to invent new problems that haven’t been previously solved, evolving…
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Web 3.0, often referred to as the Semantic or Decentralized Web, has emerged over the past few years as a both an ideological and technological shift from the current state of the internet, referred to as Web 2.0. The new technology is defined by decentralized databases and distributed ledgers across nodes, reducing the risks in…
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