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Microsoft’s February 2026 Patch Tuesday introduced a significant zero-day vulnerability tracked as CVE-2026-21510, which was both publicly disclosed before a patch and actively exploited in the wild. 1. Summary: What Is CVE-2026-21510? CVE-2026-21510 is a Windows Shell Security Feature Bypass vulnerability with a CVSS v3.1 base score of 8.8. It affects Microsoft Windows operating systems…
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The CISSP information lifecycle explains how organizations manage and secure data from the moment it is collected or created until it is permanently destroyed. In CISSP Domain 2 (Asset Security), the lifecycle is driven by one step that many real-world programs skip: data classification. This guide walks through the CISSP-aligned lifecycle that adds classification and…
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This section explicitly applies to CVE-2026-20952 and CVE-2026-20953, the January 2026 Microsoft Office use-after-free RCE vulnerabilities. Everything below is scoped to these CVEs, not generic Office hardening. How these specific CVEs work Both are rated Critical with a CVSS 3.1 score around 8.4—indicating high impact if exploited and no privileges required on the target system.…
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A recent technical disclosure from Horizon3.ai details the mechanics behind CVE-2025-64155, a critical remote command-injection vulnerability affecting Fortinet FortiSIEM. Public exploit code is now available, shifting this issue from theoretical risk to practical, real-world exposure. This post distills the research into a high-signal summary for defenders who need to understand what’s happening—and why it matters—without…
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Summary (Why This Matters) CVE-2026-0625 is a critical, unauthenticated remote code execution (RCE) vulnerability affecting multiple end-of-life D-Link DSL routers. It is actively exploited in the wild. Attackers can take full control of vulnerable routers over the internet, manipulate DNS settings, intercept traffic, and pivot into internal networks. If one of these routers is still…
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Summary: Why This Matters CVE-2026-21858 is a critical unauthenticated remote code execution (RCE) vulnerability affecting self-hosted n8n, a popular workflow automation platform used to orchestrate API calls, cloud services, and internal systems. If an exposed n8n instance is vulnerable, an attacker can fully compromise it without credentials, extract automation secrets, and pivot into connected infrastructure.…
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What it is the CISSP Cerification? The 8 CISSP Domains What the exam actually tests CISSP Qualification Status: Fully Certified vs. Provisionally Passed Fully Qualified (CISSP – Certified) To be awarded the CISSP credential by (ISC)², a candidate must meet all of the following: Provisionally Passed (Associate of (ISC)²) If a candidate passes the CISSP…
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Don’t want the in depth guide? Check out the quick break down hereBlock Cipher Modes of Operation Explained: ECB vs CBC vs CTR vs GCM (CISSP Guide) Block cipher modes of operation define how a block cipher repeatedly transforms chunks of data to achieve secure encryption beyond a single block. A block cipher alone (like…
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Jump to section: What Are Block Cipher Modes of Operation? A block cipher such as AES encrypts fixed-size blocks of data (128 bits). On its own, a block cipher can only encrypt a single block. To securely encrypt larger messages, a mode of operation is required. A block cipher mode defines how encryption is applied…
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URGENT ALERT: Cisco Zero-Day Under Attack. Plus, the AI PC era officially begins with Intel Lunar Lake, and Microsoft supercharges container security. Here are the must-know updates for your week. Critical Cisco RCE Flaw Under Active Attack! The Gist: Cisco has disclosed multiple critical vulnerabilities in its Adaptive Security Appliance (ASA) and Firepower Threat Defense…
