How Identity Signals Expose Lateral Movement

How Identity Signals Expose Lateral Movement

How Identity Signals Expose Lateral Movement: A Practical Guide to Lateral Movement Detection in Hybrid Cloud 

Quick answer 

Lateral movement detection works best when identity, endpoint, and network signals are correlated together. Attackers who move laterally usually use stolen but valid credentials, so no single signal looks malicious on its own. Identity signals show who authenticated, how, and with what privileges. Endpoint signals show credential theft and remote execution. Network signals show new east-west connections. When a platform links an anomalous logon, credential dumping on a host, and an unusual SMB or RDP session into one incident, credential-based attacks are exposed hours or days earlier than with siloed tools. 

 

Most serious breaches are not stopped at the first compromised device. They are stopped, or missed, in the middle of the attack, when the adversary moves from that first foothold toward domain controllers, file servers, and cloud administrator accounts. That middle phase is lateral movement, and it is where most attacks either succeed or get caught. 

Lateral movement is hard to see because it rarely looks like malware. It looks like a user logging in, a service account accessing a server, or an administrator running a remote command. This guide explains how identity threat detection, endpoint detection and response, and network analytics work together to expose it, including across hybrid environments where on-premises Active Directory connects to cloud identity providers. 

What Is Lateral Movement? 

Quick answer 

Lateral movement is the set of techniques attackers use after initial access to move from one system or account to another, escalating privileges and reaching high-value targets such as domain controllers, databases, and cloud control planes. 

 

In the MITRE ATT&CK framework, lateral movement is its own tactic (TA0008), and it depends heavily on the credential access (TA0006) and discovery (TA0007) tactics that come before it. A typical sequence looks like this: 

  1. Initial access through phishing, an exposed service, or a compromised third party. 
  1. Credential theft from memory, browsers, tokens, or Kerberos tickets. 
  1. Discovery of users, groups, hosts, and privileged accounts. 
  1. Lateral movement using remote services such as SMB, RDP, WinRM, or SSH with stolen credentials. 
  1. Privilege escalation and cloud pivot, often from on-premises Active Directory to cloud admin roles. 
  1. Objective: data theft, ransomware deployment, or persistence. 

Why Credential-Based Lateral Movement Is Hard to Detect 

  1. Attackers use valid credentials

Once an attacker holds real credentials, authentication succeeds. Rules that look for failed logins or known malware miss it entirely. 

  1. The tools are legitimate

Remote Desktop, PowerShell, PsExec-style tools, and administrative APIs are used every day by IT teams. Blocking them is not an option, so detection must rely on context and behavior. 

  1. Hybrid identity creates new paths

Synchronized identities, federated sign-in, and cloud roles let an attacker move from an on-premises account to a cloud administrator role without touching the same network segment. 

  1. Each tool sees only part of the attack

An EDR sees processes on one host. An identity provider sees sign-ins. A firewall sees perimeter traffic. Each individual event may be low severity, and the connection between them is lost. 

  1. Non-human identities are often unmonitored

Service accounts, API keys, and machine identities frequently hold broad privileges and rarely have behavioral baselines, which makes them attractive targets. 

The Three Signal Types Behind Lateral Movement Detection 

 

Figure 1. Identity, endpoint, and network signals are ambiguous alone and decisive together 

Signal Type What It Reveals What It Misses on Its Own 
Identity signals Who authenticated, from where, with which protocol, and what privileges were used or changed What actually ran on the host, and which systems exchanged traffic 
Endpoint signals (EDR) Credential access, suspicious processes, remote execution, persistence Whether the account behavior is normal, and the network path across hosts 
Network signals (NDR) New east-west connections, unusual protocols, internal scanning, data movement Which identity was used and what executed on the endpoints 

Identity Signals That Expose Lateral Movement 

Quick answer 

The most useful identity signals for lateral movement detection include pass-the-hash and pass-the-ticket activity, Kerberoasting, forged Kerberos tickets, DCSync replication from non-domain controllers, unusual service account logons, MFA fatigue, and privilege changes that bridge on-premises and cloud identities. 

 

Technique Identity Signal to Watch MITRE ATT&CK 
Pass-the-Hash NTLM authentication patterns inconsistent with the user’s normal devices or logon types T1550.002 
Pass-the-Ticket Kerberos tickets used from hosts where they were not issued T1550.003 
Kerberoasting Spikes in service ticket requests for service accounts, often with weak encryption types T1558.003 
AS-REP Roasting Authentication requests targeting accounts without Kerberos pre-authentication T1558.004 
Golden and Silver Tickets Tickets with anomalous lifetimes or attributes not issued by a domain controller T1558.001 / T1558.002 
DCSync Directory replication requests from systems that are not domain controllers T1003.006 
Remote services with valid accounts First-time or unusual RDP, SMB, or WinRM logons by a user or service account T1021 / T1078 
MFA fatigue Repeated push requests followed by an approval T1621 
Cloud token abuse Session or access tokens used from unexpected locations or applications T1550.001 
Hybrid privilege escalation On-premises account gaining cloud admin roles, or new federation and app credentials T1098 

Technique IDs reference MITRE ATT&CK Enterprise. Detection content should be validated against your environment. 

Endpoint and Network Signals That Complete the Picture 

Endpoint signals from EDR 

  • Credential access: processes reading LSASS memory, dumping credential stores, or exporting Kerberos tickets. 
  • Remote execution: services created remotely, scheduled tasks launched from another host, or WMI and WinRM command execution. 
  • Discovery tooling: Active Directory enumeration utilities and unusual use of built-in administration commands. 
  • Persistence: new local administrators, startup items, or backdoor accounts after a remote session. 

Network signals from NDR and network security solutions 

  • New east-west paths: a workstation connecting to servers or peers it has never contacted before. 
  • Protocol anomalies: SMB, RDP, or WinRM traffic from hosts that do not normally use them. 
  • Internal scanning: sequential connection attempts across subnets or ports. 
  • Staging and exfiltration: unusual internal data transfers followed by large outbound uploads. 

How Correlation Exposes Credential-Based Attacks Earlier 

The value of lateral movement detection comes from linking these signals in time and context. The example below shows a common hybrid attack and how each signal type sees it. 

Figure 2. How identity, endpoint, and network signals appear across each stage of an attack 

Stage Identity Signal Endpoint Signal Network Signal 
Initial access Sign-in from unusual location or device Office macro spawns a shell — 
Credential theft MFA fatigue approval LSASS memory access — 
Discovery Kerberoasting of service accounts AD enumeration tools Internal scanning 
Lateral movement First-time service account logon to file server Remote service execution New SMB and RDP sessions 
Cloud pivot On-premises account granted cloud admin role — Rare cloud API calls 
Objective — Mass file access Large outbound upload 

 

Seen separately, many of these events are low severity. A single unusual logon or a new SMB session is common in large networks. Correlated by user, host, and time, they form a clear, high-confidence attack chain, often by the discovery or lateral movement stage, before data leaves or ransomware runs. 

Lateral Movement Detection Approaches Compared 

Approach Strengths Limitations for Lateral Movement 
Rule-based SIEM Centralized logs; flexible correlation Rules must anticipate each technique; high tuning effort; often lacks raw endpoint and network context 
EDR only Deep host visibility; fast host containment Limited view of identity behavior and network paths between hosts 
Standalone ITDR Strong Active Directory and identity attack coverage Separate console; endpoint and network context requires integration 
NDR only Sees east-west traffic, including unmanaged devices Limited identity attribution and host-level detail 
Unified correlation platform Identity, endpoint, and network analyzed together; one incident; automated response Requires broad telemetry onboarding; validate integration coverage 

Best Practices for Lateral Movement Detection in Hybrid Cloud 

  1. Baseline every identity, including service accounts and machine identities. Behavioral baselines turn a valid logon into a detectable anomaly. 
  1. Monitor Active Directory and cloud identity providers together. Watch for privilege changes that bridge on-premises and cloud. 
  1. Collect east-west network telemetry. Internal traffic is where lateral movement happens; perimeter logs alone will not show it. 
  1. Correlate on one data model. Link events by user, host, and time automatically instead of pivoting between consoles. 
  1. Automate containment for high-confidence chains. Disable the account, terminate sessions, and isolate the host in seconds. 
  1. Reduce standing privilege. Tier administrative accounts and limit where privileged credentials can be used. 
  1. Validate continuously. Use breach and attack simulation to test that lateral movement techniques are detected as expected. 

How Seceon Detects Lateral Movement Across Identity, Endpoint, and Network 

The Seceon Open Threat Management (OTM) Platform analyzes identity, endpoint, network, and cloud telemetry on a single data layer, so lateral movement surfaces as one correlated incident rather than scattered alerts. 

aiITDR and aiIDGuard: identity threat detection 

Seceon aiITDR detects pass-the-hash, pass-the-ticket, Kerberoasting, AS-REP roasting, Golden and Silver Ticket forgery, and DCSync attacks. It also detects MFA fatigue, anomalous token use, and session hijacking, and monitors privileged account creation and changes. aiIDGuard correlates identities across 60+ platforms, including Active Directory, Entra ID, Okta, AWS IAM, and Google Cloud IAM, so one person’s accounts and one service account’s activity are analyzed together. 

Hybrid attack chain detection 

Because on-premises and cloud identities are linked, Seceon detects cross-platform privilege escalation paths such as Active Directory to AWS, or Active Directory to Azure Global Administrator, that separate tools see as unrelated events. 

UEBA baselines for users and non-human identities 

Seceon UEBA builds behavioral baselines for every user, device, service account, and non-human identity, with composite risk scores that highlight first-time access, impossible travel, and privilege abuse. 

aiXDR-PMax: endpoint detection and response 

The aiXDR-PMax agent detects credential dumping, process injection, and remote execution on Windows, macOS, and Linux, and adds endpoint context to every identity anomaly. 

NDR: east-west visibility 

Seceon NDR analyzes internal traffic to detect lateral movement, internal scanning, and command-and-control beaconing, including encrypted traffic analysis without decryption. 

Automated response in under 90 seconds 

When a lateral movement chain is confirmed, aiSOAR blocks the credential through Active Directory or LDAP, terminates active sessions, forces MFA re-authentication, and isolates affected hosts, with automated containment in under 90 seconds. 

Seceon lateral movement detection at a glance 

Capability Seceon 
Identity attack detection Pass-the-Hash, Pass-the-Ticket, Kerberoasting, AS-REP Roasting, Golden/Silver Ticket, DCSync, MFA fatigue 
Identity sources Active Directory, Entra ID, Okta, AWS IAM, Google Cloud IAM, LDAP, CyberArk PAM, and more across 60+ platforms 
Hybrid chains Active Directory to AWS and Azure privilege escalation paths 
Endpoint context aiXDR-PMax credential access and remote execution detection 
Network context NDR east-west, scanning, and C2 detection 
Behavioral analytics UEBA baselines for users, devices, and non-human identities 
Detection speed Sub-5-minute MTTD for critical identity threats 
Automated response Credential block, session termination, MFA reset, host isolation in under 90 seconds 
Validation aiBAS360 breach and attack simulation to test lateral movement coverage 

Capabilities per current Seceon product documentation. Validate identity source coverage for your environment.

Lateral movement detection is the practice of identifying attackers as they move from one compromised system or account to others inside an environment. It relies on identity, endpoint, and network signals to spot credential misuse, remote execution, and unusual internal connections. 

Most lateral movement uses stolen but valid credentials. Identity signals, such as unusual logon types, service ticket spikes, or first-time access to a server, are often the earliest indicator that a legitimate account is being misused. 

Identity threat detection and response (ITDR) focuses on attacks against identity systems such as Active Directory and cloud identity providers. Endpoint detection and response (EDR) focuses on activity on individual devices. Lateral movement detection is most effective when both are correlated with network data. 

Pass-the-hash is detected by NTLM authentication patterns that do not match a user’s normal devices or logon types. Kerberoasting is detected by unusual volumes of service ticket requests, especially with weak encryption types. Seceon aiITDR detects both and correlates them with endpoint and network activity. 

Network detection and response can detect new east-west connections, internal scanning, and unusual protocols. On its own, it may not know which identity was used, so combining it with identity and endpoint signals improves accuracy. 

Attackers often compromise an on-premises account and then use synchronization, federation, or stolen tokens to gain cloud privileges. Detecting this requires monitoring Active Directory and cloud identity providers together. 

As quickly as possible, ideally automatically once a high-confidence chain is confirmed. Seceon automates credential blocking, session termination, and host isolation in under 90 seconds. 

 

Footer-for-Blogs-3

Categories

Seceon Inc