HomeGlossaryShadow IT

Shadow IT

MITRE ATTACK layer: Persistence

Shadow IT refers to the use of unauthorized applications, cloud services, devices, or infrastructure by employees without approval or visibility from IT or security teams. It introduces unmanaged assets into the environment outside established governance and security controls.

How is Shadow IT abused

Attackers exploit shadow IT by targeting unsanctioned SaaS tools, personal cloud accounts, or unmanaged devices that lack security monitoring. Once access is gained, attackers can steal credentials, exfiltrate data, or persist within the organization through services that bypass identity policies, logging, and endpoint protections.

Why Shadow IT matters

Shadow IT expands the attack surface beyond what security teams can see or control. It enables data leakage, compliance violations, and account compromise, while preventing organizations from detecting or responding to threats in a timely manner.

Real-world example

In 2025, security research confirmed that employees across enterprises were using unapproved AI tools to process sensitive corporate, HR, and customer data without IT visibility. These shadow IT tools operated outside security controls, resulting in real data exposure incidents and higher breach response costs.

 

Source

Get the full attack repository

Get our entire attack repository in a single, offline-ready PDF guide, featuring 25+ real-world attacks.

Please enter a valid email.Please enter a email.
By clicking 'Download EBOOK', you agree to processing of personal data according to the Privacy Policy.

Additional Resources

Achieve 442% ROI and reduce patching time by 95% — Forrester TEI Report

See how organizations gained 442% ROI and major efficiency improvements with Endpoint Central.

Read more
Experience enterprise-grade protection proven in real-world tests — AV-Comparatives Report

Discover how Endpoint Central’s antivirus earned recognition through rigorous, real-world security validation in just eight months.

Read more
Simplify endpoint security and build cyber resilience — Endpoint Security For Dummies

Get a clear, practical guide to understanding threats and strengthening your organization’s security.

Read more

Trusted by