Explore cybersecurity concepts, tools, and best practices to protect systems, networks, and data from modern threats.
Continuation from Part 1 – DNS record types cheat sheet This post is a continuation of Part 1: DNS Record Types Explained + Troubleshooting, where we covered the practical purpose of each DNS record type and how to debug common resolution problems.Now we move into the layer that changes the rules of failure: DNSSEC. With […]
⏱️ Estimated Read Time 6–8 minutes A newly disclosed critical Microsoft Exchange Server vulnerability (CVE‑2026‑42897) is being actively exploited in the wild, prompting urgent action from IT administrators worldwide. This high‑severity flaw directly targets on‑premises Exchange environments, allowing attackers to execute malicious code through Outlook Web Access (OWA) sessions. With a CVSS score of 8.1,
If you’ve ever dealt with “my account is locked again” tickets, you know the real pain isn’t unlocking the account — it’s finding what keeps locking it. When a user gets locked out in Active Directory, the key investigative signal is Windows Security Event ID 4740 (“A user account was locked out”). [techpress.net] 💻 Download
Time to read: 10–12 minutes (technical deep dive) Conditional Access (CA) in Microsoft Entra ID (formerly Azure AD) is often treated as the enforcement point for MFA, compliant-device requirements, location rules, and risk-based policies.Recent red-team research shows how an attacker can still reach protected resources without touching a corporate endpoint by abusing the device trust
ConsentFix v3 is the latest evolution of browser‑native OAuth abuse that turns user/admin consent into persistent API access in Microsoft 365—often without needing to defeat MFA at the credential prompt. The right defense is not “more MFA.” It is consent surface reduction, consent telemetry, app governance, and token‑centric incident response. [pushsecurity.com], [techcommun…rosoft.com], [docs.azure.cn] Table of
In Part 1, we automated Group Policy Object (GPO) backups using PowerShell and Task Scheduler. Backups alone are valuable—but their real power comes from visibility. Auditors don’t ask if you back up GPOs.They ask: “Show me what changed during this period.” In this post (Part 2), we’ll walk through how to compare two GPO backup
