Security | Threat Detection | Cyberattacks | DevSecOps | Compliance

Security information and event management, or SIEM, remains one of the foundational technologies in the security operations center. Gartner defines SIEM as a configurable system of record that collects, aggregates, and analyzes security event data from on-premises and cloud environments to support threat detection, investigation, and response, along with compliance requirements.

If you're comparing vendors, our guide to the top Exposure Assessment Platforms in 2026 looks at how leading platforms approach discovery, prioritization, and remediation.

Security controls change constantly. Firewall rules are modified, endpoint exclusions are added, identity policies are adjusted, and temporary exceptions appear as teams respond to new business and operational requirements. Some of those changes are expected. Some turn out to be harmless. Others quietly weaken the defenses organizations depend on. Detecting that a configuration changed is really important for security teams, but it’s just the beginning of the investigation.

If your vulnerability management program runs on a fixed scan-and-patch cadence, whether monthly, quarterly, or tied to a compliance deadline, you are measuring your response time against an attacker timeline that continues to accelerate. Vulnerability management remains a foundational security discipline. It identifies real, exploitable flaws and gives teams a structured way to prioritize and remediate them.

Security posture is one of the most used yet misunderstood concepts in cybersecurity. For some, it means being audit-ready. For others, it’s shorthand for how many tools are deployed across endpoints, identities, and cloud environments. But in practice, posture is something deeper. It’s the ability of your environment to withstand real-world threats, not just meet compliance requirements. Strong posture doesn’t just reflect what’s present.

Zero Trust is often summarized as “never trust, always verify.” More precisely, it is a security model built on the premise that trust should never be granted implicitly based on where a user, device, workload, or resource sits. That makes Zero Trust much bigger than deploying a particular product or turning on a handful of access policies.