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How to Improve Threat Visibility Across Your Network

Enhance threat visibility across your network with tools and strategies that uncover hidden risks and strengthen your security posture.

Abnormal AI

September 9, 2025


Unmanaged devices, shadow SaaS applications, and compromised accounts introduce visibility gaps that cybercriminals exploit to move laterally across networks, often without detection. These blind spots are commonly leveraged in phishing attacks and email account compromises, allowing threat actors to exfiltrate data for months before being discovered. The result: breach costs that now average $4.88 million.

Enhancing visibility across hybrid environments is crucial for strengthening threat detection and reducing dwell time. Security teams require a clear and unified view of network activity to detect suspicious behavior, identify anomalies, and prevent threats from causing damage.

This article outlines seven strategies to close visibility gaps across your infrastructure. Together, these approaches create a comprehensive threat visibility framework that helps prevent breaches and accelerates incident response across your entire organization.

Why Blind Spots Are a Hacker's Best Friend

Hybrid work creates perfect hiding places for attackers by scattering your attack surface across unmonitored SaaS apps, home routers, and personal devices. Employees logging in from coffee shops and syncing files through unsanctioned cloud drives operate outside your monitoring stack, creating four critical vulnerabilities: an expanded attack surface, unmanaged endpoints, shadow IT, and potential insider threats.

Unmanaged assets represent the most dangerous blind spots, as these assets bypass routine audits and provide attackers with low-friction entry points. Once inside, flat network architectures and weak segmentation enable lateral movement, a vulnerability particularly pronounced in manufacturing networks. Traditional perimeter tools overlook east-west traffic and API calls that drive modern SaaS collaboration, allowing malicious activity to blend in with legitimate workflows.

Additionally, poor visibility directly extends dwell time by creating an overwhelming number of false positives, while genuine threats often operate undetected. Each additional hour of unnoticed activity increases the risk of data theft, ransomware deployment, and regulatory penalties. The seven tactics below eliminate these hiding places by closing visibility gaps across network, endpoint, cloud, and collaboration layers.

1. The Cost of Poor Network Visibility

Poor visibility drains security budgets by extending dwell time and increasing incident response costs. When threats operate undetected within your environment, they create long-term exposure that compounds over time. Breaches often go unnoticed because the initial signs, unusual logins, suspicious email activity, or subtle data movement, fall outside the scope of traditional monitoring tools.

This delayed detection carries significant financial and operational consequences. Response teams must analyze months of data to trace the intrusion, increasing recovery time and labor. Regulatory bodies may issue penalties for late disclosures or incomplete audit documentation. Meanwhile, customer confidence erodes, and the reputational impact lingers long after systems are restored.

Addressing these risks starts with improving visibility across your infrastructure. When security teams can see and understand abnormal behavior in real time, they gain the upper hand.

2. Deploy Comprehensive Network Monitoring

Complete network visibility enables early threat detection. By monitoring all traffic flowing through your infrastructure, you catch suspicious activity that basic security tools miss. Attackers can no longer hide their movements when every connection is tracked, analyzed, and understood in context.

  • Monitor All Network Traffic: Capture complete network activity without slowing performance through strategic monitoring points. This comprehensive view reveals hidden threats by examining actual data content rather than just connection metadata, preventing attackers from moving undetected between systems and stealing sensitive information.

  • Identify Unusual Patterns Instantly: Artificial intelligence learns your network's normal behavior and immediately flags suspicious deviations. When an employee's computer suddenly connects to servers in unusual locations or transfers massive files at odd hours, automated detection alerts your team to investigate these high-risk activities before damage occurs.

  • Connect Security Signals Across Systems: Combine network monitoring with data from computers, user accounts, and cloud applications for complete threat visibility. This unified approach reduces false alarms while providing security teams the full context needed to quickly understand and respond to genuine attacks across your entire digital environment.

Comprehensive network monitoring transforms scattered security data into clear, actionable intelligence. Your team gains the awareness to detect threats early, investigate efficiently, and stop attacks before sensitive data leaves your organization.

3. Implement Endpoint Detection and Response (EDR)

EDR platforms provide continuous monitoring at the kernel level, uncovering threats that antivirus tools miss. A lightweight agent collects real-time activity such as process starts, registry changes, script execution, and network calls, giving visibility into attacks that traditional logging cannot capture.

Behavioral analytics processes this data to detect fileless attacks, zero-day exploits, and living-off-the-land techniques. Because detections happen locally, response time drops dramatically. Automated actions isolate compromised devices, stop malicious processes, roll back ransomware-encrypted files, and alert analysts instantly, reducing dwell time from weeks to minutes.

Pairing EDR with next-generation antivirus strengthens signature coverage, while encrypted VPN tunnels protect remote devices. For maximum value, choose a platform that exports raw and enriched telemetry to your SIEM or XDR. Unified analytics transform endpoint data into enterprise-wide intelligence, shifting security from reactive scanning to proactive threat hunting.

4. Centralize Logging and Correlate Events

Centralized logging turns fragmented data into clear threat intelligence, exposing attacks that point solutions often miss. By streaming logs from endpoints, applications, and cloud services into a cloud SIEM or open source platform, security teams enable real-time detection and faster investigations.

Effective log aggregation depends on three elements: comprehensive collection, consistent normalization, and intelligent correlation. Gather logs from critical systems such as servers, firewalls, SaaS APIs, and identity providers, then store them in one repository. Apply standard schemas and synchronized timestamps to enable analysts to search and connect events instantly.

Correlation engines then transform scattered alerts into meaningful signals. For example, a suspicious login attempt combined with unusual cloud activity and repeated authentication failures becomes one prioritized incident. Mapping these signals to MITRE ATT&CK tactics enables accurate detection, while automated playbooks respond immediately by isolating systems or resetting credentials.

5. Monitor East-West Traffic, Not Just North-South

North-south traffic describes data flowing into and out of the network, while east-west traffic refers to communication between systems inside the network. Most security investments focus on the perimeter, yet attackers often rely on east-west movement to expand their access once they are inside.

Perimeter defenses alone are not enough. Adversaries quickly pivot laterally, taking advantage of blind spots in east-west flows that traditional monitoring fails to capture. Compromised endpoints can enable credential reuse, RDP pivoting, or reconnaissance against file shares and domain controllers. Flat or unsegmented networks create single points of failure, allowing ransomware to spread widely and increasing both disruption and recovery costs.

To mitigate these risks, deploy sensors or virtual taps across core switches, cloud VPCs, and segmented zones. Stream telemetry into your SIEM, enforce Zero Trust authentication for workloads, and monitor privileged activity closely. East-west visibility shortens dwell time and prevents attackers from operating unnoticed.

6. Gain Visibility Into Cloud & Hybrid Environments

Cloud workloads appear and disappear in minutes, leaving gaps that traditional sensors often miss. Ephemeral containers, serverless functions, and multi-cloud APIs often evade detection, presenting challenges for security teams tasked with protecting dynamic environments.

Start by inventorying every cloud asset, even short-lived ones, and stream telemetry into a unified view. Native tools such as AWS Flow Logs, CloudTrail, and Azure NSG Logs reveal traffic patterns and administrative activity. Route this data to your SIEM and layer Cloud Security Posture Management or CNAPP solutions to identify misconfigurations and secure containers or serverless code.

Hybrid environments introduce additional complexity when multiple monitoring tools overlap and generate noise. Consolidating logging, detection, and configuration scanning into integrated platforms reduces tool sprawl while strengthening unified visibility.

Centralized telemetry provides complete coverage across cloud and hybrid estates, enabling real-time detection, rapid response, and the assurance that no workload activity escapes notice.

7. Include Email & Collaboration Platforms

Email and collaboration tools are frequent entry points for attackers, yet traditional network sensors cannot see inside Microsoft 365, Slack, Teams, or Zoom. These services communicate through encrypted APIs and distributed microservices, enabling phishing, malicious OAuth apps, and data exfiltration to occur unnoticed.

Behavioral AI tools close this gap by profiling user and application behavior across cloud APIs. By analyzing metadata such as sender identity, file-sharing patterns, and login locations, they identify normal activity and flag anomalies, such as unusual forwarding rules, atypical logins, or mass document downloads.

Deploying an API based security layer ensures continuous monitoring of messages and files. Suspicious emails or chat activity can be quarantined in real time, while third-party apps requesting broad permissions are flagged for review.

Treating email, chat, and file sharing as primary telemetry sources eliminates blind spots and strengthens defenses against the most common attack vectors.

How Abnormal Security Closes Communication Blind Spots

Behavioral analytics establishes a dynamic baseline for every user, device, and application, enabling immediate detection of unusual activity that static, signature-based tools overlook. By applying AI and machine learning to millions of daily signals, such as login behavior, file access patterns, and communication tone, organizations can detect threats the moment behavior shifts.

This approach powers anomaly detection for account takeovers, insider threats, and vendor fraud. Alerts trigger instantly when users log in from unfamiliar locations, forward sensitive emails externally, or transfer unusual volumes of data.

Abnormal uses behavioral AI to monitor email and collaboration platforms, identifying deviations in communication patterns that indicate compromise. The platform isolates suspicious emails, restricts account access, and notifies security teams, reducing dwell time and eliminating alert fatigue.

With continuously adapting models, security teams gain early insight into advanced tactics and prevent data loss before damage occurs. Book a personalized demo now to see how our behavioral AI can close visibility gaps.

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