Blog

Security insights and practical guides across all 7 risk categories.

Open Ports & Services

Securing SSH, RDP, and VPN Ports Against Attack

How to harden remote access services exposed to the internet. Covers SSH key authentication, RDP security, VPN hardening, and zero-trust alternatives.

24 May 2026

Open Ports & Services

How to Audit Open Ports on Your External Attack Surface

A practical guide to discovering and auditing open ports across your internet-facing infrastructure using Nmap, Masscan, and EASM tools.

23 May 2026

Open Ports & Services

The Most Dangerous Open Ports and How Attackers Use Them

Which open ports pose the greatest security risk. Covers SSH, RDP, databases, SMB, and other commonly exploited services with attack scenarios.

22 May 2026

Known Vulnerabilities (CVEs)

Critical CVEs Targeting Internet-Facing Services

Recent high-impact CVEs in VPN gateways, web servers, and network devices. Learn which vulnerabilities attackers are actively exploiting.

21 May 2026

Known Vulnerabilities (CVEs)

How to Scan External Assets for Known Vulnerabilities

A practical guide to scanning internet-facing assets for CVEs. Covers tools, techniques, and how to interpret and act on scan results.

20 May 2026

Known Vulnerabilities (CVEs)

What Is a CVE? Vulnerability Identifiers and Scoring

CVE identifiers explained for IT and security teams. Learn how CVEs are assigned, how CVSS scoring works, and how to use the NVD to assess risk.

18 May 2026

DNS & Email Spoofing

DMARC Enforcement Step by Step

Most DMARC deployments stall at p=none. This guide walks you from monitoring to full enforcement - the step where your domain actually becomes protected.

17 May 2026

DNS & Email Spoofing

How Attackers Spoof Your Domain for Phishing

Email spoofing lets attackers send messages as your domain. Learn the techniques they use and how SPF, DKIM, and DMARC stop them.

16 May 2026

DNS & Email Spoofing

SPF, DKIM, and DMARC: The Complete Setup Guide

A step-by-step guide to configuring SPF, DKIM, and DMARC for your domain. Protect against email spoofing with correctly configured email authentication.

14 May 2026

Subdomain Enumeration

Certificate Transparency Logs for Subdomain Discovery

Certificate transparency logs are a free, passive source for discovering subdomains. Learn how CT logs work and how to use them for attack surface mapping.

13 May 2026

Subdomain Enumeration

Shadow IT and Forgotten Subdomains: Your Hidden Attack Surface

Forgotten subdomains and shadow IT expand your attack surface invisibly. Learn why they appear, what risks they create, and how to discover them.

12 May 2026

Subdomain Enumeration

Subdomain Takeover: How It Works and How to Prevent It

Subdomain takeover lets attackers serve content on your domain. Learn how dangling DNS records create this risk and how to detect and prevent takeovers.

10 May 2026