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Threat Intelligence

UNC5221 Ivanti Exploitation Campaign Analysis

UNC5221 chained Ivanti Connect Secure zero-days through 2024 and 2025. The campaign reads like a masterclass in living off trusted edge appliances.

Mar 13, 20267 min read
Zero-Day Analysis

Apple WebKit Zero-Day CVE-2025-24201: Out-of-Bounds Write Exploited in the Wild

Apple patched CVE-2025-24201, a WebKit zero-day that allowed sandbox escape through malicious web content. Here's the technical breakdown.

Mar 12, 20256 min read
Zero-Day Analysis

Broadcom VMware Zero-Days March 2025: ESXi, Workstation, and Fusion Under Active Attack

Three VMware zero-days exploited in the wild in March 2025 let attackers escape virtual machine sandboxes. Broadcom patched, but the damage window was wide open.

Mar 4, 20256 min read
Vulnerability Management

A History of Browser Sandbox Escapes and What They Teach Us

Browser sandboxes are the last line of defense against web-based attacks. When they fail, everything is exposed. Here is what the major escapes reveal.

Oct 25, 20235 min read
Zero-Day Exploits

Cisco IOS XE CVE-2023-20198: The Zero-Day That Compromised Tens of Thousands of Network Devices

CVE-2023-20198 in Cisco IOS XE allowed unauthenticated attackers to create admin accounts on network devices. Over 40,000 devices were compromised before Cisco shipped a fix.

Oct 16, 20236 min read
Ransomware

Clop Ransomware and the MOVEit Campaign: Mass Exploitation at Scale

Clop's exploitation of MOVEit Transfer compromised over 2,500 organizations in one campaign, demonstrating a shift from traditional ransomware to mass vulnerability exploitation.

Jul 5, 20237 min read
Vulnerability Analysis

Barracuda ESG Zero-Day CVE-2023-2868: When Patching Isn't Enough

Barracuda told customers to physically replace compromised Email Security Gateway appliances. The vulnerability had been exploited since October 2022.

Jun 15, 20236 min read
Vulnerability Analysis

MOVEit Transfer CVE-2023-34362: The Zero-Day That Hit Thousands

The MOVEit Transfer SQL injection zero-day exploited by Cl0p ransomware gang became 2023's most impactful vulnerability. Here's the full technical analysis.

Jun 1, 20236 min read
Zero-Day Exploits

ProxyNotShell CVE-2022-41040: Microsoft Exchange Under Fire Again

ProxyNotShell chained two Exchange vulnerabilities for authenticated RCE, exploited in the wild for weeks before Microsoft delivered a patch. Exchange admins were running out of patience.

Sep 30, 20226 min read

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