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443 Labs · Security Intelligence

Expert insights, threat analysis, and compliance best practices from the 443 Labs security team.

6 min read·October 23, 2026

Critical PHP Runtime Remote Code Execution Flaws

Critical PHP RCE advisory for CVE-2026-109618 and CVE-2026-109619: patched versions, urgent response actions and a printable PDF.

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eMudhra Intermediate CA Certificate Key Compromise

Security Advisories

7 min read·October 23, 2026

eMudhra Intermediate CA Certificate Key Compromise

443 Labs advisory on the eMudhra CA key compromise: affected certificate chains, potential impact, priority actions and trust-store validation.

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Critical GitLab CE and EE Remote Code Execution

Security Advisories

5 min read·October 21, 2026

Critical GitLab CE and EE Remote Code Execution

GitLab CVE-2026-110264 advisory: critical unauthenticated RCE, affected releases, upgrade actions, detection guidance and printable PDF.

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Cisco Secure Email Gateway Critical File Write and RCE

Security Advisories

5 min read·October 14, 2026

Cisco Secure Email Gateway Critical File Write and RCE

Cisco CVE-2026-76519 advisory: affected AMP configurations, fixed scanner and AsyncOS releases, compromise checks and printable PDF.

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Drupal Core Critical RCE and Cross-Site Scripting Flaws

Security Advisories

5 min read·October 14, 2026

Drupal Core Critical RCE and Cross-Site Scripting Flaws

Drupal October security advisory: Field UI RCE, Link and Navigation XSS, affected releases, temporary protection and printable PDF.

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PCI DSS Compliance: Assessment, Cost and Timeline

Payment Security

7 min read·October 13, 2026

PCI DSS Compliance: Assessment, Cost and Timeline

Understand PCI DSS v4.0.1 scope, SAQ versus ROC validation, assessment cost drivers, and the evidence to prepare before engaging a QSA.

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Payment Security

9 min read·October 13, 2026

PCI DSS v4.0.1 Readiness Checklist

Prepare for PCI DSS v4.0.1 with a readiness checklist, downloadable evidence register and fictional worked examples showing owners, evidence periods, review notes and gaps.

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Continuous PCI DSS Compliance: Testing and Evidence Calendar

Payment Security

5 min read·Updated October 16, 2026

Continuous PCI DSS Compliance: Testing and Evidence Calendar

Plan recurring PCI DSS scans, penetration tests, change-triggered testing and evidence ownership without mixing up their requirements or schedules.

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The Good, The Bad, And The Ugly Of Open Source Software Security

AppSec

6 min read·February 2025

The Good, The Bad, And The Ugly Of Open Source Software Security

Open source software has transformed how we build applications. But like the classic spaghetti western, the world of OSS security has its heroes, villains, and messy showdowns. Here's how to navigate them.

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Inception: Layered Security for Cloud Environments

CloudSec

5 min read·January 2025

Inception: Layered Security for Cloud Environments

In Christopher Nolan's Inception, each dream layer is guarded by increasingly complex defenses. Your cloud security should work the same way. Here's how cloud security assessments act as your 'architect.'

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The New Moat: Why Distribution and Trust Will Define Tomorrow's Business

AppSec

6 min read·March 2025

The New Moat: Why Distribution and Trust Will Define Tomorrow's Business

Building software has never been cheaper. The real difference won't be who can ship — it'll be who can reach customers and prove they're worth trusting. Distribution and validation are the new frontier.

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