Identity Threat Detection and Response (ITDR)

Stopping Threats After Login

Most cybersecurity tools are designed to prevent unauthorized access, but what happens when attackers already have a valid password?

Identity Threat Detection and Response (ITDR) addresses this gap by monitoring activity within your Microsoft 365 environment after authentication.

The Identity Security Gap

Antivirus, email filtering, and multi-factor authentication each play an important role in protecting your organization. These tools help block malware, reduce phishing risks, and strengthen access controls.

However, they are not designed to evaluate behavior after a successful login. When an attacker gains access using valid credentials, their activity can appear indistinguishable from that of a legitimate user. Traditional security tools typically lack visibility into this stage of an attack.

This gap is being exploited, and it’s where ITDR operates.

How ITDR Protects Your Business

ITDR introduces behavioral monitoring within your existing security environment. It evaluates user activity after authentication and identifies patterns that may indicate account compromise.

Continuous Behavioral Monitoring

ITDR analyzes actions taken after login rather than focusing solely on access events. This includes identifying sign-ins from unusual locations, unexpected inbox rule creation, privilege changes that do not align with typical behavior, and irregular file access patterns. This level of visibility helps detect compromised accounts that may otherwise go unnoticed.

Anomaly Detection that Recognizes Attacker Behavior

Most users follow consistent access patterns. Unusual activity, such as late-night sign-ins from unfamiliar locations or rapid configuration changes, may indicate unauthorized access. ITDR identifies these deviations and flags them for response before they escalate.

Automatic Remediation in Minutes, Not Hours

When suspicious activity is detected, ITDR can take immediate action. This may include locking compromised accounts, terminating active sessions, and reversing unauthorized changes. These actions help contain potential threats quickly and reduce the risk of further impact.

Who Benefits from ITDR?

Identity Threat Detection and Response is most valuable for organizations that:

Run their business operations primarily through Microsoft 365

Handle sensitive financial communications, contracts, or client data

Have users who are frequently targeted by phishing attempts

Must meet cyber insurance requirements related to identity security

Require stronger protection without increasing user complexity

In practice, this describes most growing businesses today. Credential theft isn’t exclusive to enterprises, with attackers automating their reconnaissance and targeting organizations of every size. The sophistication of the attack doesn’t scale down based on how many employees you have.

A Strategic Approach to Identity Threat Detection

ITDR is most effective when it’s deployed and managed by a team that understands your environment, your risk profile, and how identity security fits into the rest of your cybersecurity posture. We integrate ITDR alongside the wider cybersecurity services we deliver for our clients, ensuring it complements your existing controls rather than sitting in isolation.

The result is improved visibility, faster response, and a more cohesive security posture.

Learn How ITDR Fits Your Environment

Schedule a consultation with Anderson Technologies to review how identity threat detection applies to your organization. This discussion will cover typical attack scenarios, response processes, and how ITDR supports your overall security strategy.