Security | Threat Detection | Cyberattacks | DevSecOps | Compliance

Top 14 Agent Observability Tools

Agent observability tools capture traces, metrics, logs, and evaluations across AI agent workflows. They help teams reconstruct execution paths, inspect tool calls and handoffs, diagnose failures, and monitor latency, cost, and output quality. This guide also covers complementary security platforms that discover agents, enforce runtime policies, or control the privileges agents receive. Agents don’t fail in straight lines.

One Loss Distribution, Two Very Different Charts

A cyber loss model produces one distribution. How that distribution gets drawn changes what a reader can see in it, and the conventional projection hides the part most decisions depend on. ‍ The two views below contain identical data. One of them is close to unreadable for anything except the extreme tail, and the difference is worth understanding before the next time somebody asks what the number means. ‍

Human in the Loop: How to Tell If the Review Is Real

Human oversight is the only control in an AI program that can stop working while producing exactly the same evidence as when it worked. A failed encryption control throws errors. A monitoring pipeline that breaks stops delivering alerts. A review step that has become a formality still generates approvals, timestamps and sign-offs, and the compliance file looks identical. ‍ The asymmetry makes the design question secondary to the measurement one.

What Is Noise Reduction in SIEM and Security Monitoring

A SOC analyst starts a shift with a queue full of alerts. The first few investigations reveal repeated authentication failures from the same service account, blocked network scans from a known internal scanner, and endpoint events that three different sensors reported separately. Somewhere in that queue may be a real compromise, but the analyst has to work through the noise before finding it.

PoshC2 Explained: Capabilities, Indicators, and Detection

PoshC2 version 6.0, an open-source command and control framework, is notable for its robust capabilities in managing compromised hosts. Accompanying its release, a comprehensive list of Indicators of Compromise (IoCs) and a dedicated GitHub repository have been provided. These resources are designed to assist cybersecurity teams in detecting PoshC2, especially when deployed with its default settings, which less sophisticated attackers often utilize.

Why Asset Visibility Alone Isn't Enough

Knowing a device exists is only the first step. In this clip, David Clapp explains why effective risk management requires more than asset inventory. Factors like device type, ownership, business role, network location, communication patterns, and reachability all contribute to understanding risk and making informed security decisions.

Living Off the Land Attacks: Detection and Response Guide

The most popular advice about living off the land attacks is also the least useful when it stands alone: hunt for suspicious PowerShell, block LOLBins, and alert whenever a signed Microsoft binary behaves unexpectedly. Those controls have value, but they don't solve the operational problem. PowerShell, WMI, certutil.exe, and bitsadmin.exe are legitimate administrative utilities, and attackers abuse them precisely because security teams can't remove them without disrupting normal work.

Emerging Threat: (CVE-2026-21580) Confluence Privilege Escalation via Unauthenticated Stored XSS

CVE-2026-21580 is a stored cross-site scripting vulnerability in Atlassian Confluence Data Center and Server, which the vendor advisory groups together with a privilege escalation component and a security misconfiguration weakness. An attacker persists crafted HTML or JavaScript on a vulnerable instance, and that payload executes later in the browser of whichever user views the affected content. The vulnerability carries a CVSS 4.0 base score of 8.6.