ExtraHop named a Leader in the 2025 Forrester Wave™: Network Analysis And Visibility Solutions

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DETECTION OVERVIEW

LDAP Invalid Credentials Error

Risk Factors

Brute force attacks are low cost and relatively easy to perform. Even though this type of brute force attack is noisy, a successful LDAP brute force attempt can provide the attacker with details about the network environment, queried from an LDAP server, or unauthorized access to any service that accepts the LDAP credentials. Depending on the privilege levels associated with the account, the impact to a business can be significant.

The system might change the risk score for this detection.

Category

Lateral Movement
Detection diagram
Next in Lateral Movement: Mimikatz MS-RPC Activity

Attack Background

An LDAP directory server contains valuable information about user accounts, administrative accounts, workstations, services, group policy objects, domain trusts, and more. An attacker can target an LDAP server with a brute force attack, which is a method for guessing a weak user password. To guess LDAP passwords, the attacker submits various combinations of usernames and passwords in the initial LDAP authentication request, known as a bind request. Brute force attacks can occur manually through trial and error or with password cracking tools.

Mitigation Options

Limit the number of account login attempts and then lock accounts that exceed this number

Enforce policies for secure credential creation and multi-factor authentication

Implement the least privilege model for accessing important LDAP objects, which can help minimize unnecessary reads or writes to certain objects

MITRE ATT&CK ID

Associated content

Announcing The Forrester Wave™: Network Analysis And Visibility Solutions, Q4 2025

Network analysis and visibility solutions remain underrepresented in enterprises. Find out why in this preview of a new Wave report.

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ExtraHop® Named a Leader in First-Ever Gartner® Magic Quadrant™ for Network Detection and Response — ExtraHop

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News

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Docs

The 2025 ExtraHop Global Threat Landscape Report: The Alarming Reality of Threat Actor Dwell Time and Deeper Network Access — ExtraHop

This analysis exposes the critical link between an organization's lack of internal visibility and the escalating cost of compromise, demanding an urgent re-evaluation of how core business assets are protected.

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ExtraHop RevealX MITRE ATT&CK Coverage 2024 — ExtraHop

Learn why you need to be wary of the claims certain network detection and response providers make about their coverage against the MITRE ATT&CK framework.

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MITRE ATT&CK - Network Detection & Response with RevealX — ExtraHop

Learn how NDR from RevealX helps security teams detect and investigate more adversary TTPs in the MITRE ATT&CK framework than rule-based tools.

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