Penetration testing, often referred to as ethical hacking, is a critical component of cybersecurity. It involves simulating cyberattacks to identify vulnerabilities in systems, networks, or applications before malicious actors can exploit them. This guide explores the three primary penetration testing methodologies—Black Box, White Box, and Grey Box—detailing their approaches, advantages, [...]
A Guide to CREST Penetration Testing | CliffGuard Cybersecurity Understanding CREST Penetration Testing Choosing a penetration testing provider requires confidence in their expertise and credentials. CREST accreditation serves as a benchmark for quality, ensuring your security assessments meet the highest standards. At CliffGuard Cybersecurity, we specialize in CREST-accredited penetration testing, [...]
Critical PHP Vulnerability Lets Hackers Bypass Validation to Load Malicious Content Overview of the Critical PHP Vulnerability (CVE-2025-1219) A severe security flaw has been discovered in PHP’s libxml streams, affecting web applications that use DOMDocument or SimpleXML extensions for HTTP requests. Tracked as CVE-2025-1219, this vulnerability allows attackers to bypass [...]
CISA Warns of Sitecore RCE Flaws; Active Exploits Hit Next.js and DrayTek Devices Introduction The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has recently updated its Known Exploited Vulnerabilities (KEV) catalog to include critical security flaws affecting Sitecore CMS, Next.js, and DrayTek devices. These vulnerabilities pose a significant risk, allowing [...]